Collection: BNB Heavy Duty Transmission Parts

Looking for heavy duty transmission parts that can withstand the rigors of high performance driving? Look no further than BNB Parts. Our HD transmission parts are designed for custom transmission rebuilds, and are available in a variety of materials to suit your specific needs. Whether you're looking for billet steel, hardened steel, or aluminum transmission parts, we've got you covered.

Our heavy duty transmission parts are perfect for those who demand the best from their vehicle. With our quality construction and attention to detail, you can be sure that your custom transmission will stand up to whatever you throw at it. So if you're looking for the best transmission parts on the market, trust the experts at BNB Parts.

shift Kits

Valve Body Correction Kits are engineered to restore hydraulic integrity and performance. Whether you're looking to maintain optimal shifting quality or achieve race-level performance, our shift kits have you covered.

Electrical components

BNB Electrical components are OE replacement parts. Our electrical line includes solenoids, wiring harnesses, sensors, and complete solenoid assemblies. Check out our electrical replacement parts today. 

heavy duty parts

BNB heavy duty parts are upgraded parts that increase the longevity of your performance build. Whether you are looking to increase towing capacity or torque, check out our HD parts collection. 


Replacing your transmission filter is critical for prevention of damage

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Don't forget to replace your pan gasket with transmission service

Looking to have a custom heavy duty rebuild?

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