Silverado 3500 HD

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 basic requirements for a properly running engine are fuel, air, compression, and spark. Before increasing the power of your LS engine, it's wise to ensure all maintenance is up to date and these processes are performing as intended. Weak spark from...

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...

The Allison transmission is the backbone of your L5P Duramax. It's responsible for transmitting large quantities of torque from your V8 diesel powerplant. This torque generates a lot of heat, and if that heat isn't dissipated, it can destroy your...

Help reduce the heat in your Chevrolet/GMC 6.6L L5P Duramax engine bay with this Mishimoto turbo blanket. One of the main drawbacks to a turbocharger is the massive amount of heat that it produces. That heat can severely affect intake air temperatures...

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 basic requirements for a properly running engine are fuel, air, compression, and spark. Before increasing the power of your LS engine, it's wise to ensure all maintenance is up to date and these processes are performing as intended. Weak spark from...

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...

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...

This BladeRunner intercooler tube kit delivers more flow and is more robust to handle higher horsepower and boost than the factory intercooler tubes on the 2017-2019 GM L5P diesel. TIG-welded and designed from aircraft-grade, mandrel bent aluminum...

This BladeRunner intercooler tube kit delivers 38% more flow and is more robust to handle higher horsepower and boost than the factory intercooler tube on the 2017-2019 GM L5P diesel. TIG-welded and designed from aircraft-grade, mandrel bent aluminum...

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,...