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Looking to boost horsepower or keep your engine cool? We've got the best Peterbilt 389 Glider Engine & Performance Parts at 4 State Trucks. Our OE and aftermarket replacement parts will help ensure your rig runs smoothly from high-performance turbochargers to reliable cooling systems. Shop 4 State Trucks and find the right fit for your truck today!

Peterbilt 389 Glider Engine & Performance Parts

Peterbilt 389 Glider Engine & Performance Parts

Optimize your Peterbilt 389 with premium engine and performance parts from trusted brands like FASS, Bully Dog, and BESTfit. Upgrade with diesel fuel systems, turbochargers, exhaust components, and more to boost power, efficiency, and reliability for your Cummins, CAT, or Detroit Diesel-equipped truck. Find the best parts to elevate your Peterbilt's performance.