Product Overview
Allison Transmission MD Series Rear Cover and Plug Assembly is a rear cover and plug assembly for supported Allison MD Series transmissions. Published application references include B400, 300 and T200 configurations, although exact fitment depends on the transmission build. It is supplied under part number 29540390.
Key Features
- Rear cover and plug assembly
- Published for supported Allison MD Series applications
- B400, 300 and T200 application references
- Large machined assembly requiring packaging review
- Supplied as one complete rear cover and plug assembly
Compatibility / Fitment
Compatibility depends on the Allison transmission model, serial number, control generation and build specification. Please provide the transmission serial number before ordering so the part number and application can be checked.
Please message us with your engine serial number / Model / Type / Code to check compatibility.
Why Buy Genuine OEM Parts
- Designed for the intended Allison transmission application
- Supports correct fit and operating function
- Provides traceable OEM part identification
- Helps maintain the transmission to the specified component standard
Why Buy From Mitchell Powersystems
- Genuine OEM parts supplied with technical support
- UK based parts supply for professional workshops and operators
- Help available to confirm the correct part using your equipment details
- Trusted supplier for diesel engine, transmission and drivetrain parts



