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Transmissions | Truck Parts Planet
Transmissions are essential drivetrain systems that manage gear ratios, transfer engine power, and help commercial trucks operate efficiently across different speeds, loads, and driving conditions....
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Find the right OEM truck parts for your commercial vehicle in one place. Truck Parts Planet offers a wide selection of genuine parts for Freightliner, Peterbilt, Kenworth, Volvo, Mack, International, PACCAR, Cummins, Detroit Diesel, Caterpillar and other leading heavy-duty truck brands.
Browse our collections by brand, system, part type, or application to quickly find the components you need. From engine and cooling parts to air brake, suspension, electrical, fuel, DEF and drivetrain components, our inventory is stocked in the USA and ready to ship.
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