2001-2004 GM 2500HD/3500HD 6.6L LBZ Duramax Gaskets, Gasket Kits & Bearings

Upgrading the OEM turbo gaskets on your 2001-2004 GM 6.6L Duramax is a smart move for Sierra and Silverado owners looking to ensure dependable turbocharger performance. Our turbo gaskets provide a secure, leak-free seal, even under high boost and extreme heat, preventing exhaust leaks and preserving turbo efficiency. At Alligator Performance, we offer a variety of aftermarket turbo gaskets designed to help your truck endure high temperatures and pressures during demanding conditions. Further upgrade your GM 6.6L Duramax with our excellent selection of Oil Pans, Valve Covers & Accessories and Fuel Upgrades! GM Duramax Fitments: 2001, 2002, 2003, 2004 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2004.5-2005 6.6L LLY
Availability
Manufacturer
Make
Model
Year
Price
$0
$1,321.76
Rating
Loading products...
Filter
44 products
Sort by:
Best selling
Availability
Manufacturer
Make
Model
Year
Price
$0
$1,321.76
Rating
Merchant 97188896 Lower Valve Cover Gasket | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Merchant 97188896 Lower Valve Cover Gasket | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Merchant Automotive

Merchant 97188896 Lower Valve Cover Gasket | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: MAT97188896
Price
$56.72
Mahle CB-1805P P-Series Rod Bearing | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle CB-1805P P-Series Rod Bearing | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle CB-1805P P-Series Rod Bearing | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MCICB-1805P
Sale price
$15.96
Regular price
$41.03
Mahle CB-1805H Standard Rod Bearing Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle CB-1805H Standard Rod Bearing Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle CB-1805H Standard Rod Bearing Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MCICB-1805H
Sale price
$34.30
Regular price
$73.99
Merchant 10001 Transfer Case Pump Upgrade Kit | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10001 Transfer Case Pump Upgrade Kit | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10001 Transfer Case Pump Upgrade Kit | 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT10001
Price
$77.63
Victor Reinz 61-36460-20 Engine Cylinder Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Victor Reinz 61-36460-20 Engine Cylinder Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Victor Reinz

Victor Reinz 61-36460-20 Engine Cylinder Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: VRZ61-36460-20
Price
$80.17
Mahle 54581/54584 Victor Reinz 1.00mm Thick Left and Right Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle 54581/54584 Victor Reinz 1.00mm Thick Left and Right Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Victor Reinz

Mahle 54581/54584 Victor Reinz 1.00mm Thick Left and Right Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MCI54581/54584
Price
$148.96
Merchant 98045057 Grade C Right Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 98045057 Grade C Right Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 98045057 Grade C Right Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MAT98045057
Price
$99.72
Cometic PRO3008T Top End Gasket Kit - 4.100 inch Bore .040 inch | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Cometic PRO3008T Top End Gasket Kit - 4.100 inch Bore .040 inch | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Cometic

Cometic PRO3008T Top End Gasket Kit - 4.100 inch Bore .040 inch | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: COMPRO3008T
Price
$501.40
Cometic C15376-062 LHS MLX Cylinder Head Gasket - .062 inch Bore 4.130 inch | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Cometic C15376-062 LHS MLX Cylinder Head Gasket - .062 inch Bore 4.130 inch | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Cometic

Cometic C15376-062 LHS MLX Cylinder Head Gasket - .062 inch Bore 4.130 inch | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: COMC15376-062
Price
$195.30
Victor Reinz 71-13629-00 Exhaust Pipe Flange Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Victor Reinz 71-13629-00 Exhaust Pipe Flange Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Victor Reinz

Victor Reinz 71-13629-00 Exhaust Pipe Flange Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: VRZ71-13629-00
Price
$5.01
Victor Reinz 02-10483-01 Engine Cylidner Head Gasket Set | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
Victor Reinz 02-10483-01 Engine Cylidner Head Gasket Set | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Victor Reinz

Victor Reinz 02-10483-01 Engine Cylidner Head Gasket Set | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: VRZ02-10483-01
Price
$235.61
Victor Reinz 61-36465-20 Engine Cylinder Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Victor Reinz 61-36465-20 Engine Cylinder Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Victor Reinz

Victor Reinz 61-36465-20 Engine Cylinder Head Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: VRZ61-36465-20
Price
$83.60

2001-2004 6.6L Silverado & Sierra 2500HD/3500HD

Can We Help You Find Something?

Give us a call: +1-208-719-7400

FREE SHIPPING ON ALL ORDERS OVER $70

PRICE MATCH GUARANTEE

BUILD NOW, PAY LATER FINANCING OPTIONS

30-DAY RETURN SATISFACTION GUARANTEE

DIESEL TRUCK EXPERTS STANDING BY