Chevrolet Silverado 3500 HD Parts & Accessories

Chevrolet Silverado 3500 HD Parts & Accessories

The Chevrolet Silverado 3500 HD is GM's 1-ton workhorse, built for maximum payload, fifth-wheel towing, and commercial use. The aftermarket catalog for this truck is focused and practical, covering diesel performance, suspension load management, and towing hardware across the GMT900 and current T1XX generations.

Popular Upgrades

The 6.6L Duramax diesel (LML, L5P, and L8T) is by far the most popular engine for performance upgrades on this platform. Cold air intakes from S&B and aFe Power unlock meaningful airflow gains, and MBRP and Flo-Pro cat-back exhaust systems improve exhaust flow and towing efficiency. Fifth-wheel hitches, airbag suspension kits, and gooseneck systems are the most-searched truck accessories for owners using the 3500 HD for commercial or agricultural work.

What exhaust systems fit the Silverado 3500 HD Duramax?

MBRP, Flo-Pro, and Diamond Eye all offer direct-fit cat-back and turbo-back systems for the Duramax lineup in this body style. Turbo-back systems require a downpipe delete and are tuned for off-road or competition use. Always confirm your specific Duramax generation code (LML, L5P, L8T) and cab configuration before ordering.

Can I install a lift kit on a Silverado 3500 HD dually?

Dually models require dedicated lift kits that account for the wider rear axle and dual rear wheels, so standard half-ton lift kits will not apply. Fabtech and BDS both offer 3500 HD dually-specific systems. Single rear wheel (SRW) models have more options. Browse suspension lift kits and heavy-duty brake upgrades filtered for 1-ton fitment. All orders ship fast.