Gaskets and Seals› Engine Gaskets and Seals

Merchant Automotive

Duramax Head Gasket Kit - LB7 Grade C Gaskets No Bolts

$358.99

SKU: M01D 450000C

In Stock
In Stock
Ships by Jun 11
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The Merchant Automotive 450000C Engine Gasket Set includes Grade C Head Gaskets and various seals for rebuilding 2001-2004 LB7 Duramax diesel engines found in Chevrolet Silverado 2500HD/3500HD and GMC Sierra 2500HD/3500HD models.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMerchant Automotive
Part NumberM01D 450000C

Videos

6.6L LB7 Duramax Screw-In Engine Fuel Injector Cups

6.6L LB7 Duramax Screw-In Engine Fuel Injector Cups
Product Spotlight: Duramax Oil Cooler Seal and Gasket Kits, 2001-2016

Product Spotlight: Duramax Oil Cooler Seal and Gasket Kits, 2001-2016

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy