Description

2001-2016 GM 6.6L Duramax Diesel Cylinder Head Gasket Grade C Left Side 12637785

GM part number 12637785 is a left side, multi-layer steel, grade C thickness, standard bore size, cylinder head gasket for 2001-2016 GM trucks with a 6.6L Duramax diesel engine.

Standard bore size, 1.05+/- 0.050 MM grade C thickness.  Original GM stock head gasket for 2001 and newer 6.6L Duramax engines.  This gasket can safely be used in place of the size A or B gasket.  This is for the left, or driver’s side.  New head bolts are required when the cylinder head is removed.

If we do not have this part in stock, or it shows on back order, don’t worry. Huckstorf Diesel receives shipments from our suppliers daily. We also have the ability to get parts drop-shipped directly to you from the closest warehouse or the manufacturer. We are also able to source scarce products nationwide and globally quickly. Let us help you find those hard to find parts.

Find all your diesel performance, repair, and upgrade needs here, online or in person at Huckstorf Diesel’s sales, installation, and repair center located in Franklin / Milwaukee, Wisconsin USA.