L5P Duramax Transmissions

Whether on the road, on the trail, or towing, superior cooling is vital for reliable transmission shifting. Yukon’s high-capacity transmission pa...

This Mishimoto Aluminum Transmission Pan is a direct-fit, high-performance upgrade for your 2001-2019 Chevy/GMC 6.6L Duramax. Cast from high-qualit...

aFe Model 35-11006The deeply pleated, high-quality filter media offers exceptional filtration capacity, preventing harmful particles from reaching ...

aFe Model 35-11005The deeply pleated, high-quality filter media offers exceptional filtration capacity, preventing harmful particles from reaching ...

ATS Diesel 01-23 L5P Duramax 6.6L Billet Flexplate SFI approved billet flexplates from ATS will hold up under the most extreme conditions. ATS bill...

XDP Model XD345Increase the durability, line pressure, and performance of the Allison transmission in your 2011-2019 GM 6.6L Duramax LML and L5P wi...

The Allison transmission is the backbone of your L5P Duramax. It's responsible for transmitting large quantities of torque from your V8 diesel powe...

The Allison transmission is the backbone of your L5P Duramax. It's responsible for transmitting large quantities of torque from your V8 diesel powe...

BDs High Performance CP3 (HPCP3) Injection Pump with up to a 72-percent increase in capacity / displacement delivers enough fuel to support up to 7...

BDs FleX-Plate is designed specifically for modified applications, and can reliably handle up to 1,500 lb.-ft. of torque. Twice as thick as the sto...

High volumes of cool transmission fluid equate to long transmission life. BDs deep aluminum pans increases the oil capacity by 1qt on the 1989-2007...

There’s no greater enemy for a transmission than heat. Whether your 2017-2019 Chevy/GMC 6.6L L5P Duramax is a dedicated tow vehicle, hardworking ...

There’s no greater enemy for a transmission than heat. Whether your 2015-2016 Chevy/GMC 6.6L LML Duramax is a dedicated tow vehicle, hardworking ...