Drivetrain
BD Diesel Rear Differential Cover AA14-11.5 (1061825) for 2001-2018 Duramax LB7 / LLY / LBZ / LMM / LML / L5P & 2003-2018 Cummins 5.9L / 6.7L
The BD Diesel Rear Differential Cover AA14-11.5 (1061825) is a durable, high-performance upgrade for 2001–2018 GM Duramax and 2003–2018 Dodge Ram Cummins diesel trucks. Made from heavy-duty cast aluminum, it improves axle cooling and fluid life with internal cooling fins and increased oil capacity. Features like a magnetic drain plug and stainless steel hardware ensure easy maintenance and corrosion resistance, making it ideal for towing, off-roading, and heavy-duty applications.
Fleece Allison TapShifter (FPE-TAPSHIFTER35) for 2003-2005 Duramax LB7 / LLY
The Fleece Allison TapShifter (FPE-TAPSHIFTER35) is a performance upgrade for 2003–2005 GM Duramax trucks with LB7 or LLY engines and Allison 1000 transmissions. It adds a tap-style shifter for manual gear control, improving drivability and engine braking—especially useful for towing and steep terrain. The kit includes a shift lever, control module, and wiring, and integrates smoothly with factory systems for an OEM-like installation. It enhances both daily driving and heavy-duty performance.
BD Diesel Magnetic Drain Plug Trans Pan & Diff Cover 3/4x16NF (1601613) for BD Trans Pans and Diff Covers
The BD Diesel Magnetic Drain Plug (3/4x16NF, Part #1601613) is a precision-engineered upgrade for BD Diesel transmission pans and differential covers. Featuring a strong magnetic core, it captures metal particles and debris from fluids, helping reduce wear and extend the life of drivetrain components. Ideal for performance and heavy-duty use, it enhances maintenance ease and system reliability.
Mishimoto Transmission Cooler (MMTC-DMAX-03SL) fits 2003-2005 Duramax LB7 / LBY 6.6L
The Mishimoto Transmission Cooler (MMTC-DMAX-03SL) is a high-performance cooling solution designed specifically for 2003-2005 Duramax LB7 / LBY 6.6L engines. This powerful transmission cooler is the perfect upgrade for any Duramax owner looking to improve the overall performance and reliability of their vehicle.
Mishimoto Aluminum Transmission Pan (MMTP-DMAX-01) fits 2001-2019 Duramax 6.6L
The Mishimoto Aluminum Transmission Pan (MMTP-DMAX-01) is a high-quality aftermarket upgrade designed specifically for 2001-2019 Duramax 6.6L engines. This transmission pan is constructed from lightweight and durable aluminum, making it significantly stronger than the stock transmission pan.
BD Diesel 2 Low UnLoc (1030710) for 2001-2014 Duramax LB7 / LLY / LBZ / LMM / LML
The BD Diesel 2 Low UnLoc (1030710) is a performance upgrade for 2001–2014 GM Duramax trucks (LB7, LLY, LBZ, LMM, LML engines) that enables low-range gearing in two-wheel drive mode. Ideal for towing and trailer maneuvering, it reduces front-end wear and driveline bind by eliminating the need for four-wheel drive in low-range situations. Easy to install and durable, it improves control and flexibility for Duramax owners.
Mishimoto Transmission Cooler Line Kit (MMTCL-DMAX-01) fits 2001-2005 Duramax 6.6L LB7 / LLY
The Mishimoto MMTCL-DMAX-01 Transmission Cooler Line Kit fits 2001-2005 Duramax LB7 and LLY trucks. It replaces factory lines with braided stainless steel for improved durability. The kit improves fluid flow and cooling efficiency. Includes AN fittings and adapter for easy installation.
BD Diesel Exhaust Brake Push/Pull Switch Kit 5/8 Shift Lever (1300210) for Manual Transmissions With BD-Power Exhaust Brakes
The BD Exhaust Brake Switch Kit 1300210 mounts to a 5/8-inch shift lever and provides easy in-cab control of BD exhaust brakes. It features a push/pull design for quick operation and improved driving control.
