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GMC Sierra 2500 Parts and Accessories

Select The Year Of Your Vehicle Below

1990s

The GMC Sierra 2500, a legendary cornerstone of the heavy-duty truck world first officially introduced for the 1999 model year, represents the absolute pinnacle of towing capability and refined strength.


GMC Sierra 2500: Rugged, Reliable, Ready with Heavy-Duty Power

The flagship 6.6-liter Duramax Turbo-Diesel V8 engine is a 32-valve DOHC powerhouse that produces a commanding 470 horsepower and a jaw-dropping 975 lb-ft of torque. This engine's design utilizes a variable geometry turbocharger and a high-pressure common-rail fuel system to ensure that acceleration feels effortless even when hauling a full load. For those who prioritize gasoline power, the 6.6-liter V8 gas engine delivers 401 horsepower and 464 lb-ft of torque with remarkable efficiency for its size.

Inside, the infotainment suite is anchored by a massive 13.4-inch high-definition touchscreen with standard wireless Apple CarPlay and Android Auto integration. Drive modes including Sport, Off-Road, and the unique Terrain mode allow the driver to instantly tailor the throttle response and braking to their environment.


Maintain Top Performance in Your GMC Sierra 2500 with These Three Parts


High Flow Air Intake Parts for Peak Engine Breathing

To keep your 6.6L Duramax or gas engine running at its most efficient, maintaining your air intake system with genuine components is a vital maintenance step.


Performance Exhaust Parts for Clean Engine Performance

Maintaining the quiet yet confident exhaust tone of your heavy-duty V8 is easy when you use genuine exhaust parts designed specifically for your model's complex emissions system.


Durable Mud Guards for Complete Exterior Protection

To keep the side panels of your Sierra looking pristine, installing a set of genuine mud guards is a highly recommended upgrade for any owner who visits job sites or unpaved roads.


Frequently Asked Questions About the GMC Sierra 2500

Top Sierra 2500 FAQs

What Is the Maximum Towing Capacity of the GMC Sierra 2500?

Models equipped with the 6.6-liter Duramax Turbo-Diesel and the available Gooseneck/Fifth-Wheel Prep Package can tow up to a staggering 22,500 pounds. For conventional towing using a standard hitch, the Sierra 2500 is typically rated to haul between 14,500 and 20,000 pounds, making it one of the most capable heavy-duty pickups in its class.

Does the GMC Sierra 2500 Come with the MultiPro Tailgate?

Yes, the innovative MultiPro Tailgate is a standard or available feature across most of the GMC Sierra 2500 lineup. This world-first tailgate offers six unique functions, including a standing workstation, a load stop, and a full-width step that can support up to 375 pounds.

Can I install wheels from a 1500 on a 2500 Sierra?

No, the wheels from a GMC Sierra 1500 are not compatible with a Sierra 2500 due to the different lug patterns and load-carrying requirements. The Sierra 2500 utilizes a heavy-duty eight-lug hub design and requires wheels that are specifically rated to support the vehicle's massive Gross Vehicle Weight Rating (GVWR).

For expert help with your heavy-duty pickup, reach out to us at Londoff Discount Parts and let us assist you.