Maximize the legendary hauling capacity of your first-generation Duramax truck with our selection of 2001-2004 GM 6.6L LB7 Duramax towing and accessories. The introduction of the LB7 Duramax brought game-changing torque and horsepower to the Chevrolet Silverado and GMC Sierra HD lines. To pull heavy trailers, commercial equipment, or toy haulers safely, equipping your truck with modern load support and high-strength towing upgrades is vital to handle the extra demands on your chassis.
At Norcal Diesel Performance, we offer heavy-duty towing solutions engineered specifically for your truck's platform. Eliminate rear-end sag, counteract body roll, and improve headlight aim under heavy tongue weights with premium air spring helper kits and load suspension systems. We also stock robust trailer receiver hitches, advanced electronic brake controllers, and extendable towing mirrors designed to restore clear sightlines around wide loads. From high-capacity drop hitches to clean, plug-and-play wiring adapters, we supply the utility gear necessary for full peace of mind on long hauls.
Equip your iconic LB7 workhorse to tackle steep highway grades and heavy jobs with total confidence. Browse our heavy-duty collection online for quick delivery, or visit our retail storefront in Orangevale, CA for expert local recommendations and professional installation services!
Spartan Torsion Flex King Pin 11 Inch Offset 4 Inch Round Tube Gooseneck 2 5/16 Inch Coupler Standard Height 3.5K TW 25K Towing & GH-097 Pin Gen Y HitchNew810006123135
Spartan Torsion Flex King Pin 11 Inch Offset 4 Inch Round Tube Gooseneck 2 5/16 Inch Coupler Standard Height 3.5K TW 25K Towing & GH-097 Pin Gen Y Hitch
Spartan Torsion Flex Manual Latch 5 Inch Offset 4 Inch Square Tube Gooseneck 3 Inch Coupler Standard Height 7K TW 40K Towing Gen Y HitchNew810006121698
Spartan Torsion Flex Manual Latch 5 Inch Offset 4 Inch Square Tube Gooseneck 3 Inch Coupler Standard Height 7K TW 40K Towing Gen Y Hitch
Spartan Torsion Flex Snap Latch 2.5 Inch Offset 4 Inch Round Tube Gooseneck 2 5/16 Inch Coupler Standard Height 4.5K TW 25K Towing Includes GH-098 Pin & Pull Rod Gen Y HitchNew810006122121
Spartan Torsion Flex Snap Latch 2.5 Inch Offset 4 Inch Round Tube Gooseneck 2 5/16 Inch Coupler Standard Height 4.5K TW 25K Towing Includes GH-098 Pin & Pull Rod Gen Y Hitch
Spartan Torsion Flex Snap Latch 2.5 Inch Offset 4 Inch Square Tube GN 2 5/16 Inch Coupler 4.5K TW 25K Towing Includes GH-098 Pin & Pull Rod Gen Y HitchNew810006122138
Spartan Torsion Flex Snap Latch 2.5 Inch Offset 4 Inch Square Tube GN 2 5/16 Inch Coupler 4.5K TW 25K Towing Includes GH-098 Pin & Pull Rod Gen Y Hitch
Spartan Torsion Flex Snap Latch 2.5 Inch Offset 4 Inch Square Tube Gooseneck 2 5/16 Inch Coupler Standard Height 6.5K TW 30K Towing Includes GH-098 Pin & Pull Rod Gen Y HitchNew810006121681
Spartan Torsion Flex Snap Latch 2.5 Inch Offset 4 Inch Square Tube Gooseneck 2 5/16 Inch Coupler Standard Height 6.5K TW 30K Towing Includes GH-098 Pin & Pull Rod Gen Y Hitch
Spartan Torsion Flex SnapLatch 2.5 Inch Offset 4 Inch Round Tube Gooseneck 2 5/16 Inch Coupler Standard Height 3.5-6.5K TW 25K Towing Includes GH-098 Pin & Pull Rod Gen Y HitchNew810006121650
Spartan Torsion Flex SnapLatch 2.5 Inch Offset 4 Inch Round Tube Gooseneck 2 5/16 Inch Coupler Standard Height 3.5-6.5K TW 25K Towing Includes GH-098 Pin & Pull Rod Gen Y Hitch
Spartan Torsion Flex SnapLatch 2.5 Inch Offset 4 Inch Round Tube Gooseneck 2 5/16 Inch Coupler Standard Height 8.5K TW 25K Towing Includes GH-098 Pin & Pull Rod Gen Y HitchNew810006124736
Spartan Torsion Flex SnapLatch 2.5 Inch Offset 4 Inch Round Tube Gooseneck 2 5/16 Inch Coupler Standard Height 8.5K TW 25K Towing Includes GH-098 Pin & Pull Rod Gen Y Hitch
Spartan Torsion Flex SnapLatch 2.5 Inch Offset 4 Inch Square Tube Gooseneck 2 5/16 Inch Coupler Standard Height 8.5K TW 30K Towing Includes GH-098 Pin & Pull Rod Gen Y HitchNew810006125801
Spartan Torsion Flex SnapLatch 2.5 Inch Offset 4 Inch Square Tube Gooseneck 2 5/16 Inch Coupler Standard Height 8.5K TW 30K Towing Includes GH-098 Pin & Pull Rod Gen Y Hitch
The Boss Torsion Flex 2 Inch Shank 12.5 Inch Drop 1.7K TW 16K Hitch & GH-051 Dual-Ball & GH-032 Pintle Lock & GH-0100 Stab Kit Gen Y HitchNew810006121094
The Boss Torsion Flex 2 Inch Shank 12.5 Inch Drop 1.7K TW 16K Hitch & GH-051 Dual-Ball & GH-032 Pintle Lock & GH-0100 Stab Kit Gen Y Hitch
The Boss Torsion Flex 2 Inch Shank 15 Inch Drop 1.7K TW 16K Hitch & GH-051 Dual-Ball & GH-032 Pintle Lock & GH-0100 Stab Kit Gen Y HitchNew810006121100
The Boss Torsion Flex 2 Inch Shank 15 Inch Drop 1.7K TW 16K Hitch & GH-051 Dual-Ball & GH-032 Pintle Lock & GH-0100 Stab Kit Gen Y Hitch
The Boss Torsion Flex 2 Inch Shank 17.5 Inch Drop 1.7K TW 16K Hitch & GH-051 Dual-Ball & GH-032 Pintle Lock & GH-0100 Stab Kit Gen Y HitchNew810006121117
The Boss Torsion Flex 2 Inch Shank 17.5 Inch Drop 1.7K TW 16K Hitch & GH-051 Dual-Ball & GH-032 Pintle Lock & GH-0100 Stab Kit Gen Y Hitch
The Boss Torsion Flex 2.5 Inch Receiver 15 Inch Drop 2.4K TW 21K Hitch & GH-061 Dual-Ball & GH-062 Pintle Lock & GH-0101 Stab Kit Gen Y HitchNew810006121155
The Boss Torsion Flex 2.5 Inch Receiver 15 Inch Drop 2.4K TW 21K Hitch & GH-061 Dual-Ball & GH-062 Pintle Lock & GH-0101 Stab Kit Gen Y Hitch