Product Overview
Allison Transmission 5.5 mm C1 Clutch Backplate is a 5.5 mm steel backplate that provides the fixed compression surface for the C1 clutch pack. During clutch application, the friction and reaction plates are clamped against this backplate to transmit drive. It is supplied under part number 29542420.
Key Features
- 5.5 mm C1 clutch backplate
- Provides the clutch pack compression surface
- Supports positive C1 clutch application
- Helps maintain the specified clutch pack clearance
- Supplied as one individual plate
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



