Peterbilt 386 Engine & Performance Parts

Exhaust Manifold Fits Kenworth And PeterbiltUpgrade a stock manifold on a Caterpillar engine with this premium, heavy duty Bully Dog ceramic coated exhaust manifold. It is one of the fastest flowing in the industry and provides a quick turbo spool with a...

Bully Dog ECM Diesel TunerIf you are looking for a simple platform to load independently SAE tested tuning to your truck, Elite Truck Accessoriesoffers this high quality ECM Tuner by Bully Dog for Detroit and Mercedes engines. It is streamlined to...

Performance Module For CumminsThe performance engine model is designed to fit Cummins ISX 2002-2010 models. The truck edition heavy-duty module controls timing, fuel, boost, and other vital engine parameters to optimize the combustion of the engine. This...

FASS Fuel System Mounting Bracket * High Quality Bracket* Eliminates Frame Drilling* Fits Frame Heights From 10 Inch To 11.75 Inch* Designed To Fit Securely Around The Frame* Sold Individually* Made In USA* Warranty On Mounting Bracket Against Defects In...

Titanium Series Optional Electric Diesel Fuel Heater KitUpgrade your FASS System for extreme cold with the Titanium Series Electric Heater Kits. These heaters prevent gelling, aid cold weather starts, and automatically shut off at the right temp. Get...

Power Steering Reservoir Base & BracketSecurely mount your power steering reservoir with this quality base and bracket. For ease of use, it features pre-cut 0.687 inch mounting holes that are 3.125 inches apart. The base and bracket fits various...

Power Steering Reservoir Fits Peterbilt 300 Series - Replaces J866005This quality 2 quart power steering reservoir is built to endure the effects of stress generated by the engine compartment. It is made of a heavy duty plastic and fits various Peterbilt...

BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet, 5 Inch OutletCrafted from durable Aluminized Steel, this aftermarket muffler is designed to elevate your vehicle's exhaust system. It comes complete with mounting hardware...

BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet/OutletConstructed from robust Aluminized Steel, this aftermarket muffler ensures durability and longevity for your vehicle's exhaust system. It comes with mounting hardware...