My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Cometic C5883-045 MLS Cylinder Head Gasket for GM Duramax 6.6L

(Chevrolet Silverado 2500 HD 2001-16, Silverado 3500 HD 2007-16, Express 3500 2006-16, Express 2500 2006-16, Silverado 2500 2001-05 + 12 more models)

Part of: Cometic MLS Cylinder Head Gasket Bore Honda

Other options in this family: Cometic C4311-040 Cometic C4251-030 Cometic C4232-030 Cometic C4962-028 Cometic C5434-051

Manufacturer

Picture for manufacturer Cometic

Part Number

C5883-045
6 reviews
Sale Price

$150.14

Estimated ship date Wednesday, November 25

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Cometic C5883-045 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for GM Duramax 6.6L diesel engines. This left-hand side (LHS) gasket provides superior sealing performance for high-performance and stock applications.

Key Specifications:

  • Bore size: 4.100 inches
  • Compressed thickness: 0.045 inches (1.14mm)
  • Multi-Layer Steel (MLS) construction for maximum durability
  • Left-hand side (driver side) application
  • Compatible with LB7, LLY, LBZ, LMM, LGH, and LML Duramax engine codes

Features and Benefits:

  • MLS construction provides excellent resistance to extreme cylinder pressures and temperatures
  • Embossed stainless steel layers with advanced coating technology ensure superior sealing
  • Eliminates gasket failures common with stock head gaskets in modified applications
  • Ideal for both stock rebuilds and performance upgrades including turbo, injector, and tuning modifications
  • Manufactured to exacting tolerances for proper compression and sealing

Cometic Gasket is a trusted name in motorsports and performance applications, bringing race-proven technology to diesel performance. This gasket is engineered to handle the extreme cylinder pressures of the Duramax platform while maintaining a reliable seal in daily driving conditions.

Products specifications

Fits

Chevrolet Silverado 2500 HD 2001-16, Silverado 3500 HD 2007-16, Express 3500 2006-16, Express 2500 2006-16, Silverado 2500 2001-05, Silverado 3500 2001-06, 2015, Silverado 2500 HD Classic 2007, Silverado 3500 Classic 2007 + 9 more models

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Material

Multi-layer Steel

Best prices online for hard to find parts!

Quick shipping, lowest prices.

GREAT PRICES AND COMMUNICATION!!!! HIGHLY RECOMMENDED STAFF AND PRODUCTS!!!!!

My Superchips Cortex arrived within a few days of order and by far was the best price arround. Product arrived in perfect condition and worked as described. Great deal. Order #10984

In a rush to get my car up and running, Autoplicity had the best price on the items I needed, and in stock as well as shipped quickly. Just what I was looking for, thanks!

Great price. Minor problems with shipping because of UPS (dropped box and broke part, late delivery). Autoplicity sending me out replacement part.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy