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!
1 Pack (1) 5/8 Inch x 3-1/8 Inch Span Hitch Lock 2 Keys Included Fitment: Phantom 5K Phantom X 7K & 16K Mega Duty 10K & 16K Boss 10K & 16K Glyder 7K Gen Y HitchNew810006129540
1 Pack (1) 5/8 Inch x 3-1/8 Inch Span Hitch Lock 2 Keys Included Fitment: Phantom 5K Phantom X 7K & 16K Mega Duty 10K & 16K Boss 10K & 16K Glyder 7K Gen Y Hitch
2 Inch Extended Shank GEN-Y Flag Pole (specifically for vehicles with tire on the back when this is being used directly in the receiver) Gen Y HitchNew810006127713
2 Inch Extended Shank GEN-Y Flag Pole (specifically for vehicles with tire on the back when this is being used directly in the receiver) Gen Y Hitch
2 Pack (2) 5/8 Inch x 3-1/8 Inch Span Hitch Locks 4 Keys Included Fitment: Phantom 5K Phantom X 7K & 16K Mega Duty 10K & 16K Boss 10K & 16K Glyder 7K Gen Y HitchNew810006129564
2 Pack (2) 5/8 Inch x 3-1/8 Inch Span Hitch Locks 4 Keys Included Fitment: Phantom 5K Phantom X 7K & 16K Mega Duty 10K & 16K Boss 10K & 16K Glyder 7K Gen Y Hitch
2 Pack Mixed (1) 3/4 Inch x 3-7/8 Inch Span Hitch Lock & (1) 5/8 Inch x 3-5/8 Inch Span 3.0 Inch Receiver Lock 4 Keys Included Fitment: Mega Duty 32K Boss 32K Gen Y HitchNew810006129601
2 Pack Mixed (1) 3/4 Inch x 3-7/8 Inch Span Hitch Lock & (1) 5/8 Inch x 3-5/8 Inch Span 3.0 Inch Receiver Lock 4 Keys Included Fitment: Mega Duty 32K Boss 32K Gen Y Hitch
3 Pack Mixed (2) 3/4 Inch x 3-7/8 Inch Span Hitch Locks & (1) 5/8 Inch x 3-5/8 Inch Span 3.0 Inch Receiver Lock 6 Keys Included Fitment: Mega Duty 32K Boss 32K Gen Y HitchNew810006129618
3 Pack Mixed (2) 3/4 Inch x 3-7/8 Inch Span Hitch Locks & (1) 5/8 Inch x 3-5/8 Inch Span 3.0 Inch Receiver Lock 6 Keys Included Fitment: Mega Duty 32K Boss 32K Gen Y Hitch
3 Pack Mixed (2) 5/8 Inch x 3-5/8 Inch Span Hitch Locks & (1) 5/8 Inch x 3-1/8 Inch Span 2.5 Inch Receiver Lock Fitment: Mega Duty 21K Gen Y HitchNew810006129632
3 Pack Mixed (2) 5/8 Inch x 3-5/8 Inch Span Hitch Locks & (1) 5/8 Inch x 3-1/8 Inch Span 2.5 Inch Receiver Lock Fitment: Mega Duty 21K Gen Y Hitch
3 Pack Mixed (2) 5/8 Inchx 3-1/8 Inch Span Hitch Locks & (1) 5/8 Inch x 3-1/8 Inch Span 2.5 Inch Receiver Lock 6 Keys Included Fitment: Phantom 5K Phantom X 7K & 16K Mega Duty 10K & 16K Boss 10K & 16K Glyder 7K Gen Y HitchNew810006129588
3 Pack Mixed (2) 5/8 Inchx 3-1/8 Inch Span Hitch Locks & (1) 5/8 Inch x 3-1/8 Inch Span 2.5 Inch Receiver Lock 6 Keys Included Fitment: Phantom 5K Phantom X 7K & 16K Mega Duty 10K & 16K Boss 10K & ...
