{"product_id":"ac-oring-kit-hnbr-r134a-gmt400","title":"AC O-Ring Kit, HNBR Type, R134a Compatible - Mastercool 91339 - GMT400","description":"\u003cp\u003eAC O-ring kit, HNBR type, R134a compatible, for the Chevrolet\/GMC C1500.\u003c\/p\u003e\u003ch3\u003ePart numbers\u003c\/h3\u003e\u003cp\u003eMastercool 91339.\u003c\/p\u003e\u003ch3\u003eFits\u003c\/h3\u003e\u003cp\u003eUniversal, all common AC fitting sizes on this platform.\u003c\/p\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cp\u003eOld rubber O-rings harden and leak with age, HNBR material resists R134a and both PAG and Ester oils properly, unlike the original nitrile seals designed for R12 and mineral oil.\u003c\/p\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003e270 assorted O-rings across the common AC fitting sizes.\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":"Mastercool","offers":[{"title":"Default Title","offer_id":50209125105914,"sku":"OBSAE-GMT4-00118","price":279.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/5131\/8266\/files\/Mastercool_91339_R12_and_R134a_O-Ring_Assortment.png?v=1788280707","url":"https:\/\/obscureparts.com\/products\/ac-oring-kit-hnbr-r134a-gmt400","provider":"Obscure Parts","version":"1.0","type":"link"}