{"title":"GMT400","description":"\u003cp\u003eThis is the place to look for your GMT 400 parts. We've collected together everything for your truck in one place so it's easier to find. \u003c\/p\u003e","products":[{"product_id":"intake-manifold-gasket-set-vortec-gmt400","title":"Intake Manifold Gasket Set - Lower - GMT400","description":"\u003cp\u003eLower intake manifold gasket set for the 1996 to 1998 Chevrolet and GMC C\/K (GMT400) with the Vortec 5.0L (L30) or 5.7L (L31) V8.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eGM 89017465 (formerly 12531704), Chevrolet Performance. Revised-material version addressing the original factory design's coolant leak issue.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1996 to 1998 Vortec only. The earlier TBI engines use a different gasket set, so check your engine code before ordering. This is the lower gasket only, the upper intake plenum uses a separate seal kit, listed separately.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eCoolant seepage at the lower intake gasket is a well known, well documented weak point on Vortec small blocks, caused by the original plastic gasket material breaking down under heat cycling. The leak often shows up first as a sweet smell or slow coolant loss before anything more obvious. Constant AC use and high under-hood temperatures here don't help.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne lower intake manifold gasket set. Brand Chevrolet Performance.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNot sure it's right for your truck? Send us your VIN and we'll confirm before you order.\u003c\/em\u003e\u003c\/p\u003e","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":49756208496890,"sku":"OBSAE-GMT4-00003","price":279.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-27120251.png?v=1785139431"},{"product_id":"distributor-cap-and-rotor-kit-vortec-gmt400","title":"Distributor Cap \u0026 Rotor Kit - Vortec - GMT400","description":"\u003cp\u003eDistributor cap and rotor kit for the 1996 to 1998 Chevrolet and GMC C\/K (GMT400) with the Vortec 5.0L (L30) or 5.7L (L31) V8.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eCap, GM 10452459 \/ ACDelco D329A. Rotor, GM 10452457 \/ ACDelco D465.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1996 to 1998 Vortec only, the horizontal crab-style cap unique to these engines, plug wires exit sideways to clear the upper intake plenum. Not the same as the earlier TBI distributor.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eThe crab cap's internal traces cross over each other inside the plastic moulding, which makes these caps prone to trapping moisture, internal arcing, and premature misfires, more so than a conventional radial cap. Cap and rotor wear as a pair, so replacing both together avoids chasing the same fault twice.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne distributor cap and one rotor. Brand ACDelco.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNot sure it's right for your truck? Send us your VIN and we'll confirm before you order.\u003c\/em\u003e\u003c\/p\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":49756208595194,"sku":"OBSAE-GMT4-00006","price":809.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-27121145.png?v=1785140121"},{"product_id":"spark-plug-wire-set-gmt400","title":"Spark Plug Wire Set - GMT400","description":"\u003cp\u003eSpark plug wire set for the 1988 to 1993 Chevrolet and GMC C\/K (GMT400) with the 5.0 or 5.7 V8.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eNGK SX-2253. Cross-references to Champion Denso C541 and Bosch Autolite 73-26. No confirmed GM OEM number.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1988 to 1993 only, TBI 5.0\/5.7 V8. NGK sells a separate set for the 1994 to 1998 trucks, this one does not fit those, check your year before ordering.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eWire insulation degrades with age and under-hood heat, leading to misfires and rough running that can be hard to pin down. High running temperatures here mean this wears faster than it would in a milder climate.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne new set of plug wires. Brand NGK.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eGive us your VIN if you're not certain on fitment, we'll check it before anything ships.\u003c\/em\u003e\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":49756208627962,"sku":"OBSAE-GMT4-00007","price":539.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-26160846.png?v=1785067767"},{"product_id":"drive-belt-tensioner-gmt400","title":"Drive Belt Tensioner - GMT400","description":"\u003cp\u003eAutomatic belt tensioner for the 1988 to 1995 Chevrolet and GMC C\/K (GMT400) with serpentine drive.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eGM 10229114. Genuine GM part.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1988 to 1995 only. A later-style tensioner covers the 1996 to 1998 trucks, not yet added to the catalogue.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eThe tensioner pulley bearing wears over time, and the giveaway is usually a squeal from the front of the engine, often worse on a cold start. Heat and dust both shorten bearing life, so this tends to show up sooner here.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne new tensioner assembly, genuine GM part.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNot sure it's right for your truck? Send us your VIN and we'll confirm before you order.\u003c\/em\u003e\u003c\/p\u003e","brand":"GM Genuine Parts","offers":[{"title":"Default Title","offer_id":49756208693498,"sku":"OBSAE-GMT4-00009","price":909.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-27144415.png?v=1785149245"},{"product_id":"blower-motor-gmt400","title":"Blower Motor - Early - GMT400","description":"\u003cp\u003eBlower motor for the 1988 to 1994 Chevrolet and GMC C\/K (GMT400) trucks with factory HVAC.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eACDelco 15-80213. No confirmed GM OEM number, cross-referenced across multiple independent listings for this application.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1988 to 1994 only, early press-on style. The 1995 to 1998 trucks use a different later-style motor, see the other blower motor listing instead.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eThe motor itself wears out from the high duty cycle that comes with running the AC constantly in this climate. Often replaced alongside the resistor, since the two tend to fail around the same time.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne blower motor. Brand ACDelco.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNot sure it's right for your truck? Send us your VIN and we'll confirm before you order.\u003c\/em\u003e\u003c\/p\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":49756209217786,"sku":"OBSAE-GMT4-00024","price":589.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-27114422.png?v=1785138411"},{"product_id":"door-hinge-pin-and-bushing-kit-gmt400","title":"Door Hinge Pin \u0026 Bushing Kit - GMT400","description":"\u003cp\u003eDoor hinge pin and bushing kit for the 1988 to 1998 Chevrolet and GMC C\/K (GMT400) trucks, covers both front doors in one kit.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eLEDAUT 1500MJLTZ. No confirmed GM OEM number, generic aftermarket repair kit.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1988 to 1998, all variants. Pins and bushings are generic hardware, not engine or transmission specific, so this one kit covers the whole range.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eDoor sag is close to universal on these trucks. The pins and bushings wear, the door drops slightly, and it becomes harder to close properly, often with a creak or rattle on the move. This kit is the standard fix.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003e4 door hinge pins, 2 hinge roller pins, 2 hinge springs, 8 bushings and 4 E-ring clips, enough for both front door hinges, 4 hinges total.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNot sure it's right for your truck? Send us your VIN and we'll confirm before you order.\u003c\/em\u003e\u003c\/p\u003e","brand":"LEDAUT","offers":[{"title":"Default Title","offer_id":49756209316090,"sku":"OBSAE-GMT4-00027","price":539.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-27145626.png?v=1785149892"},{"product_id":"heater-core-gmt400","title":"Heater Core - GMT400","description":"\u003cp\u003eHeater core for the 1988 to 1998 C\/K (GMT400) trucks with factory HVAC.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eFour Seasons KJ419RV. No confirmed GM OEM number yet.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1988 to 1998, all variants with factory HVAC.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eA perishable part. When it goes, the leak usually shows up as a damp carpet on the passenger side and a misted up windscreen, sometimes with a sweet smell from the coolant.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne heater core. Brand Four Seasons.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eGive us your VIN if you're not certain on fitment, we'll check it before anything ships.\u003c\/em\u003e\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":49756209348858,"sku":"OBSAE-GMT4-00028","price":519.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-26152548.png?v=1785065264"},{"product_id":"composite-headlamp-assembly-pair-gmt400","title":"Headlamp Assembly - Styled - Pair - GMT400","description":"\u003cp\u003eStyled headlamp assembly pair for the 1990 to 1998 Chevrolet and GMC C\/K (GMT400) trucks with composite headlamps.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eANZO 111005. Aftermarket styled unit, no OEM cross-reference.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1990 to 1998 composite headlamp trucks only. Does not fit 1988 to 1989 trucks with sealed beam headlights, confirmed directly on the manufacturer's own listing, not just inferred from the model years.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eThis is a styled upgrade, clear lens, carbon housing, halo ring, not a plain stock-look replacement. Uses factory mounting points and hardware, no modifications needed, but changes the look of the front end rather than just restoring it to original. A plain stock-look replacement is a separate listing for anyone who wants factory appearance instead.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne pair of headlamp assemblies, DOT compliant to SAE standards. Brand ANZO.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNot sure it's right for your truck? Send us your VIN and we'll confirm before you order.\u003c\/em\u003e\u003c\/p\u003e","brand":"ANZO","offers":[{"title":"Default Title","offer_id":49756209414394,"sku":"OBSAE-GMT4-00030","price":1569.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-27122611.png?v=1785140902"},{"product_id":"thermostat-housing-gasket-gmt400","title":"Thermostat Housing Gasket - GMT400","description":"\u003cp\u003eThermostat housing O-ring for the 1988 to 1998 Chevrolet and GMC C\/K (GMT400) with the 5.0 or 5.7 V8.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eGM 12551507 (replaces 12553106). Genuine GM part.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1988 to 1998, 5.0\/5.7 V8, both TBI and Vortec, this one part covers the whole range.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eThis gasket hardens with heat cycling and is a common source of coolant seepage at the housing, often before the housing itself shows any real wear. Cheap to replace and worth doing any time the housing or thermostat comes off.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne thermostat housing O-ring, genuine GM part.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eIf you're not certain this is the right part, drop us your VIN before ordering. We'd rather check it now than have you sending it back.\u003c\/em\u003e\u003c\/p\u003e","brand":"GM Genuine Parts","offers":[{"title":"Default Title","offer_id":49756209479930,"sku":"OBSAE-GMT4-00032","price":209.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-27143821.png?v=1785148882"},{"product_id":"oil-pump-gmt400","title":"Oil Pump - TBI - GMT400","description":"\u003cp\u003eOil pump for the 1988 to 1995 Chevrolet and GMC C\/K (GMT400) with the 4.3, 5.0 or 5.7 TBI V8.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eMelling M55, standard volume (M55HV available as a high volume option). Cross-references to Mahle Clevite 6011057, Sealed Power 224-4146, and Elgin EM-55. No confirmed GM OEM number yet.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1988 to 1995 TBI V8 only. The 1996 to 1998 Vortec engines use a different pump, not this one, check your engine before ordering.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003ePump wear shows up as low oil pressure, particularly at idle once the engine's hot, and high mileage combined with the running temperatures here brings that wear forward. Worth checking oil pressure before assuming it's the gauge or sender at fault.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne oil pump, standard volume. Brand Melling.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNot sure it's right for your truck? Send us your VIN and we'll confirm before you order.\u003c\/em\u003e\u003c\/p\u003e","brand":"Melling","offers":[{"title":"Default Title","offer_id":49756209512698,"sku":"OBSAE-GMT4-00033","price":789.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-26203430.png?v=1785083704"},{"product_id":"engine-oil-pan-gasket-gmt400","title":"Engine Oil Pan Gasket - GMT400","description":"\u003cp\u003eEngine oil pan gasket for the 1988 to 1998 Chevrolet and GMC C\/K (GMT400) with the 5.0 or 5.7 V8.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eGM 10108676 (replaces 14088505).\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1988 to 1998, all 5.0\/5.7 V8 variants.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eThis is one of the most common oil leak points on these engines. The gasket hardens and shrinks with age and heat cycling, and a slow seep at the pan rail is often the first sign. A one-piece rubber gasket holds up noticeably better in this climate than the original cork-style design.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne engine oil pan gasket, one-piece rubber, genuine GM part. Brand GM Genuine Parts.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eIf you're not certain this is the right part, drop us your VIN before ordering. We'd rather check it now than have you sending it back.\u003c\/em\u003e\u003c\/p\u003e","brand":"GM Genuine Parts","offers":[{"title":"Default Title","offer_id":49756209578234,"sku":"OBSAE-GMT4-00035","price":1199.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-27142700.png?v=1785148422"},{"product_id":"transmission-oil-pan-gasket-gmt400","title":"Transmission Oil Pan Gasket - GMT400","description":"\u003cp\u003eTransmission oil pan gasket for the 1988 to 1998 C\/K (GMT400) with the 4L60E or 700R4 automatic transmission.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eGM Genuine Parts 8654779.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1988 to 1998, automatic transmission only. Not used on manual transmission trucks.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eA common leak point at the transmission pan. The gasket hardens with heat and age, and a seep here is often noticed as fluid spots under the centre of the truck. Usually replaced alongside the filter at service.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne transmission oil pan gasket. Brand GM Genuine Parts.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eGive us your VIN if you're not certain on fitment, we'll check it before anything ships.\u003c\/em\u003e\u003c\/p\u003e","brand":"GM Genuine Parts","offers":[{"title":"Default Title","offer_id":49756209643770,"sku":"OBSAE-GMT4-00037","price":439.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-26145632.png?v=1785063860"},{"product_id":"rear-crank-seal-gmt400","title":"Rear Crank Seal - Vortec - GMT400","description":"\u003cp\u003eRear crankshaft seal for the 1996 to 1998 Chevrolet and GMC C\/K (GMT400) with the 5.0 or 5.7 Vortec V8.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eFel-Pro BS 40656. Cross-references to MAHLE JV1620 and Victor Reinz JV1620. No confirmed GM OEM number yet.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1996 to 1998 Vortec 5.0\/5.7 V8 only, one-piece PTFE seal design. The 1988 to 1995 TBI trucks use an earlier two-piece seal design and need a different part, not this one.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eA leaking rear main seal is a classic high-mileage issue on these small block V8s. Heat cycling accelerates the hardening and shrinkage that leads to it, and the leak shows up as oil at the back of the engine and on the bellhousing, often mistaken for a transmission leak at first.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne rear crankshaft seal, PTFE rubber. Brand Fel-Pro.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eIf you're not certain this is the right part, drop us your VIN before ordering. We'd rather check it now than have you sending it back.\u003c\/em\u003e\u003c\/p\u003e","brand":"Fel-Pro","offers":[{"title":"Default Title","offer_id":49756209676538,"sku":"OBSAE-GMT4-00038","price":459.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-26201819.png?v=1785082775"},{"product_id":"engine-gasket-kit-gmt400","title":"Spark Plug Wire Set - Vortec - GMT400","description":"\u003cp\u003eSpark plug wire set for the 1996 to 1998 Chevrolet and GMC C\/K (GMT400) with the 5.0 or 5.7 Vortec V8.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003ePackard Wire Co, blue, 8mm spiral core. No confirmed GM OEM number.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1996 to 1998 Vortec 5.0\/5.7 V8 only. The 1988 to 1993 TBI trucks need a different set, see the TBI spark plug wire listing instead. Physically the same wires also cover the 1996-2000 Suburban, Tahoe and Yukon, but this listing is scoped to the GMT400 truck years OBScure sells for.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eWire insulation degrades with age and under-hood heat, leading to misfires and rough running that can be hard to pin down. High running temperatures here mean this wears faster than it would in a milder climate.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne new set of plug wires, blue, 8mm spiral core, 270 ohms per foot. Brand Packard Wire Co, made in the USA.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eIf you're not certain this is the right part, drop us your VIN before ordering. We'd rather check it now than have you sending it back.\u003c\/em\u003e\u003c\/p\u003e","brand":"Packard Wire Co","offers":[{"title":"Default Title","offer_id":49756209742074,"sku":"OBSAE-GMT4-00040","price":619.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-27085109.png?v=1785127901"},{"product_id":"head-gasket-set-tbi-gmt400","title":"Head Gasket Set - TBI - GMT400","description":"\u003cp\u003eHead gasket set with head bolts for the 1988 to 1994 Chevrolet and GMC C1500\/C2500 (GMT400) with the 5.7L 350 TBI V8.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eCarma interchange HS7733PT-15, manufacturer part CAR8340840MA. Head bolts cross-reference to Fel-Pro ES72856. No confirmed GM OEM number yet.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1988 to 1994 C1500 and C2500 with the 5.7L 350 TBI V8. This is the earlier small block head gasket, the 1996 to 1998 Vortec engine uses a different casting and needs its own set, so check your engine before ordering.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eHead gasket failure isn't as universal a GMT400 complaint as the fuel pump or blower resistor, but age and heat cycling catch up with every one of these eventually, and Gulf temperatures don't help. White exhaust smoke, coolant loss with no visible leak, or overheating under load are the usual signs it's due.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eComplete head gasket set, head bolts, and the intake and valve cover gaskets needed to do the job in one go. Brand Carma.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNot sure it's right for your truck? Send us your VIN and we'll confirm before you order.\u003c\/em\u003e\u003c\/p\u003e","brand":"Carma","offers":[{"title":"Default Title","offer_id":49756265677050,"sku":"OBSAE-GMT4-00041","price":589.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-26115545.png?v=1785052954"},{"product_id":"torque-converter-seal-700r4-4l60e-gmt400","title":"Torque Converter Seal - 700R4\/4L60E - GMT400","description":"\u003cp\u003eFront pump to torque converter seal for the 700R4 and 4L60E automatic transmissions fitted to 1988 to 1998 Chevrolet and GMC C\/K (GMT400) trucks.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eGM Genuine Parts \/ ACDelco 24202535, listed by ACDelco as a Transmission Input Shaft Seal. Cross-references to National\/Timken 51526.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e700R4 automatic (earlier trucks) and 4L60E automatic (from the early 1990s on). This seal is transmission-specific rather than year-specific, so it's the same part across the 700R4-to-4L60E transition, confirm which transmission is fitted rather than matching it to a model year alone.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eA failed front pump seal shows up as fluid leaking from the bellhousing area and, left long enough, low transmission fluid and the shifting problems that come with it. Cheap part, but the transmission has to come partway out to fit it, so it's worth doing right the first time. Gulf heat doesn't make rubber seals age any slower either.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne front pump to torque converter seal. Brand ACDelco.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eGive us your VIN if you're not certain on fitment, we'll check it before anything ships.\u003c\/em\u003e\u003c\/p\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":49756527034618,"sku":"OBSAE-GMT4-00042","price":209.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-26141713.png?v=1785061153"},{"product_id":"head-gasket-set-vortec-gmt400","title":"Head Gasket Set - Vortec - GMT400","description":"\u003cp\u003eHead gasket set for the 1996 to 1998 Chevrolet and GMC C\/K (GMT400) with the 5.7L 350 Vortec V8.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eReliant Gasket HS8321A. Cross-references to Fel-Pro HS7733PT-16 and HS5746C. No confirmed GM OEM number yet.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1996 to 1998 Vortec 5.0\/5.7 V8 only. This is a different casting and gasket set to the 1988 to 1994 TBI trucks, don't cross the two, check your engine before ordering.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eComes with a premium metal intake gasket rather than the stock composite one, a genuine upgrade for a climate that puts head and intake gaskets under more heat cycling than they'd see further north.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eHead gasket set with premium metal intake gasket. Brand Reliant Gasket.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eIf you're not certain this is the right part, drop us your VIN before ordering. We'd rather check it now than have you sending it back.\u003c\/em\u003e\u003c\/p\u003e","brand":"Reliant Gasket","offers":[{"title":"Default Title","offer_id":49757415866618,"sku":"OBSAE-GMT4-00043","price":749.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-26195704.png?v=1785081536"},{"product_id":"rear-crank-seal-tbi-gmt400","title":"Rear Crank Seal - TBI - GMT400","description":"\u003cp\u003eRear crankshaft seal for the 1988 to 1995 Chevrolet and GMC C\/K (GMT400) with the 5.0 or 5.7 TBI V8.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eFel-Pro BS 40626. No confirmed GM OEM number yet.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1988 to 1995 TBI V8 only, two-piece seal design. The 1996 to 1998 Vortec trucks use a different one-piece seal, see the Vortec rear crank seal listing instead.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eA leaking rear main seal is a classic high-mileage issue on these small block V8s. Heat cycling accelerates the hardening and shrinkage that leads to it, and the leak shows up as oil at the back of the engine and on the bellhousing, often mistaken for a transmission leak at first.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne rear crankshaft seal set. Brand Fel-Pro.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eIf you're not certain this is the right part, drop us your VIN before ordering. We'd rather check it now than have you sending it back.\u003c\/em\u003e\u003c\/p\u003e","brand":"Fel-Pro","offers":[{"title":"Default Title","offer_id":49758270095610,"sku":"OBSAE-GMT4-00044","price":389.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-27083702.png?v=1785127079"},{"product_id":"blower-motor-late-gmt400","title":"Blower Motor - Late - GMT400","description":"\u003cp\u003eBlower motor for the 1995 to 1998 Chevrolet and GMC C\/K (GMT400) trucks with factory HVAC.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eACDelco 15-80665, GM OE 19131213. Also available as Four Seasons 35282, a genuine equivalent.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1995 to 1998 only, later style with impeller. The 1988 to 1994 trucks use an earlier style motor, see the other blower motor listing instead. Confirmed most clearly for 1997 to 1998, if your truck is a 1995 or 1996 send us your VIN before ordering, that edge of the range is less certain.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eThe motor itself wears out from the high duty cycle that comes with running the AC constantly in this climate. Often replaced alongside the resistor, since the two tend to fail around the same time.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne blower motor with wheel. Brand ACDelco.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eIf you're not certain this is the right part, drop us your VIN before ordering. We'd rather check it now than have you sending it back.\u003c\/em\u003e\u003c\/p\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":49758639128826,"sku":"OBSAE-GMT4-00046","price":589.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-27114214.png?v=1785138347"},{"product_id":"intake-manifold-gasket-set-upper-gmt400","title":"Intake Manifold Gasket Set - Upper - GMT400","description":"\u003cp\u003eUpper intake plenum gasket kit for the 1996 to 1998 Chevrolet and GMC C\/K (GMT400) with the Vortec 5.0L (L30) or 5.7L (L31) V8.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eGM 17113206.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1996 to 1998 Vortec only. Seals the plastic upper air plenum and fuel spider injector housing, a separate job from the lower intake gasket, which is listed separately.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eUsually replaced alongside the lower intake gasket during the same job, since both live under the same plenum, but it's a distinct seal with its own failure point around the injector spider housing.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne upper intake plenum gasket kit.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eIf you're not certain this is the right part, drop us your VIN before ordering. We'd rather check it now than have you sending it back.\u003c\/em\u003e\u003c\/p\u003e","brand":"Obscure Parts","offers":[{"title":"Default Title","offer_id":49758651515130,"sku":"OBSAE-GMT4-00047","price":699.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-27115723.png?v=1785139241"},{"product_id":"front-end-kit-early-13pc-gmt400","title":"Front End Kit - Early - 13pc - GMT400","description":"\u003cp\u003e13 piece front end kit for the 1988 to 1992 Chevrolet and GMC C1500 and C2500 (GMT400), covering both ball joints, both tie rod ends and the idler arm in one box.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eNo confirmed GM OEM numbers, aftermarket kit, components not individually branded in the listing.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1988 to 1992 only. GM revised the front suspension and steering design for 1993 onward, this kit does not fit the later trucks, a separate kit is needed for 1993 to 1998, not yet added to the catalogue.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eThese front end components wear together on a truck this age, so doing them as a set avoids finding the next one loose a few months after replacing just one. Buying the set also costs less than sourcing all 13 pieces individually.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003e2 upper ball joints, 2 lower ball joints, inner and outer tie rod ends, and the idler arm, 13 pieces total.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNot sure it's right for your truck? Send us your VIN and we'll confirm before you order.\u003c\/em\u003e\u003c\/p\u003e","brand":"Obscure Parts","offers":[{"title":"Default Title","offer_id":49759193334010,"sku":"OBSAE-GMT4-00048","price":709.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Screenshot2026-07-27125955.png?v=1785142840"},{"product_id":"ignition-lock-cylinder-gmt400","title":"Ignition Lock Cylinder - GMT400","description":"\u003cp\u003eSteering column lock and ignition switch cylinder for the 1992 to 1998 Chevrolet and GMC C\/K (GMT400), a different part to the ignition switch itself.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eGM 26052796 (replaces 26025788). Genuine GM part, includes key.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003e1992 to 1998. GM's own fitment notes split this further by tilt versus non-tilt steering column, not just by year, so two trucks of the same year can need different cylinders. Send your VIN, this is one worth confirming rather than guessing.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eThis is the mechanical tumbler the key turns, not the electrical switch behind it, worn or damaged and the key sticks, turns without engaging, or won't turn at all. A common source of no-start complaints that get mistaken for an electrical fault.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eOne ignition lock cylinder with key, genuine GM part.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNot sure it's right for your truck? Send us your VIN and we'll confirm before you order.\u003c\/em\u003e\u003c\/p\u003e","brand":"GM Genuine Parts","offers":[{"title":"Default Title","offer_id":49759487361274,"sku":"OBSAE-GMT4-00049","price":929.0,"currency_code":"AED","in_stock":true}]}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/collections\/Screenshot_2026-04-24_133807.png?v=1785068122","url":"https:\/\/obscureparts.com\/collections\/gmt-400-gmc.oembed?page=2","provider":"Obscure Parts","version":"1.0","type":"link"}