Sierra 3500 HD

Give your truck the ultimate protection from debris with our custom style/no-drill mud skins. Our Putco solid color mud skins are perfect to protect your vehicle from rocks, mud, snow, and just about anything else. Our Mud Skins are constructed out of 18...

Specifically designed for use in conjunction with the factory oil cooler filter housing. This coolant pipe is custom fabricated with a heavy duty flange. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone...

The FASS Drop-In Series Diesel Fuel System was engineered by FASS to be the most effective filtration solution for the L5P Duramax. Backed by our limited lifetime warranty, the Drop-In Series Fuel System protects your L5P Duramax from the issues caused...

PPE solves the GM Duramax L5P complete oil drainage problem. During regular oil changes, the stock GM pan retains over half a quart of the dirtiest, heaviest part of the oil which settles to the bottom of the valley of the stock pan. This old oil is...

PPE solves the GM Duramax L5P complete oil drainage problem. During regular oil changes, the stock GM pan retains over half a quart of the dirtiest, heaviest part of the oil which settles to the bottom of the valley of the stock pan. This old oil is...

Specifically designed for use in conjunction with the factory oil cooler filter housing. This coolant pipe is custom fabricated with a heavy duty flange. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone...

The FASS Drop-In Series Diesel Fuel System was engineered by FASS to be the most effective filtration solution for the L5P Duramax. Backed by our limited lifetime warranty, the Drop-In Series Fuel System protects your L5P Duramax from the issues caused...

The OEM plastic fuel filter cap on your L5P Duramax is susceptible to rounding off when replacing the water separator and cracking during extreme cold weather conditions. Upgrade your OEM plastic fuel filter housing or FASS Drop-In Series with our Billet...

Protect your fenders from debris with Putco stainless steel Hex mud skins. These units are the perfect blend of style and protection for your truck from rocks, mud, snow, and anything the elements can throw at you and your ride. Choose from a front pair,...

Protect your fenders from debris with Putco stainless steel Hex mud skins. These units are the perfect blend of style and protection for your truck from rocks, mud, snow, and anything the elements can throw at you and your ride. Choose from a front pair,...

Improve safety and style by upgrading the front brake lines on your Chevy Silverado or GMC Sierra 2500HD / 3500HD with a set of BDS front brake lines. Specially designed for vehicles with a 6-inch lift these front brake lines are built with stainless...

Superior Looks and Function. Give your truck an aggressive look and a pop of color with Rough Country's Front and Rear Brake Caliper Covers. These stylish covers enhance the look of your standard (often rusty) brake calipers by replacing it with a...