Maximize the utility and heavy-duty towing capacity of your truck with our complete selection of 2020-2025 GM 6.6L L5P Duramax towing and accessories. Late-model Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks are built to handle serious work straight from the factory floor. However, when you frequently pull heavy fifth-wheels, equipment trailers, or massive toy haulers, outfitting your high-output chassis with heavy-duty load support and reliable hardware is vital to ensure maximum stability, comfort, and highway safety.
At Norcal Diesel Performance, we offer a rugged catalog of heavy-duty towing solutions engineered specifically for your truck's frame. Eliminate rear-end sag and minimize body roll under heavy tongue weights with our premium air helper springs and onboard air compressor management systems. We also stock durable vehicle-specific receiver trailer hitches, precise electronic brake controllers, and rugged extendable towing mirrors designed to provide an uncompromised view around wide trailers. From adjustable drop ball mounts to clean-fit wiring adapters, we ensure your vehicle is ready for any job.
Prepare your L5P workhorse to haul safely across any terrain with total confidence. Browse our complete inventory of rugged truck accessories online for quick shipping, or pull into our retail storefront in Orangevale, CA for direct product advice and expert installation support!
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 & ...