Sierra 2500 HD

Help keep your rear differential running cool and clean with an upgraded differential cover from PPE. Made in the USA from high-quality cast aluminum for strength and optimum heat dissipation. Combined with the largest set of cast cooling fins in the...

Made from high-quality cast A356-T6 aluminum for strength and optimum heat dissipation. PPE's differential covers offer industry-leading fluid cooling. Equipped with internal heat sinks and external cooling fins, increasing the pan's surface area helps...

Help keep your rear differential running cool and clean with an upgraded differential cover from PPE. Made in the USA from high-quality cast aluminum for strength and optimum heat dissipation. Combined with the largest set of cast cooling fins in the...

Made from cast aluminum, these covers add strength to center of the transmission case eliminating trans oil seepage at the mating surface.Cooling fins double the surface area (60.74 sq. in.) when compared to stock (30.62 sq. in.), which increases heat...

aFe POWER's rear differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs for maximum strength. This cover comes with all...

The Cognito 3 Inch Performance Leveling Kit contains everything you need to level your truck or SUV with high quality components.The Cognito 3 Inch Performance Leveling Kit includes the Cognito Ball Joint SM Series Upper Control Arm Kit, Torsion Bar...

We have bundled everything you need in a lift kit for your Silverado/Sierra 2500/3500 2WD/4WD with high quality Cognito components. There is no guesswork. Cognito components are engineered, manufactured and assembled in the USA.The Cognito Non-Torsion...

The HDX Grille Guard is the ultimate in extreme truck gear. It's available in a stainless or black powder coat finish and the uprights are finished and protected with extra wide rubber that is 1/8" thick and 2 3/4" wide. The result is a solid clean look...

Go Rhino Bed Bars offer a classic retro look with unmistakable "roll bar "style that is sure to get noticed. The beefy, 3" heavy-duty, modular steel tube construction has no exposed welds and provides the perfect place to mount off-road lights that can...

MASSIVE STORAGEFull bed-length drawers and side access pass-throughs to the wheel wells offer massive, customizable storage. Almost zero wasted space. Exactly 100% increase in the utility of your truck bed. Full-size standard drawers extend 12" further...

Supreme Pro Billet Lift Blocks are engineered to accurately lift and level the rear end of your truck for a truly customized ride. Each lift block is CNC machined from solid billet aluminum, then receives our special anodize coating protecting it against...