Transmission oil pan gasket for the 1988 to 1998 C/K (GMT400) with the 4L60E or 700R4 automatic transmission.

Part numbers

GM Genuine Parts 8654779.

Fits

1988 to 1998, automatic transmission only. Not used on manual transmission trucks.

Why it matters

A 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.

What you get

One transmission oil pan gasket. Brand GM Genuine Parts.

Give us your VIN if you're not certain on fitment, we'll check it before anything ships.