Product Overview
Allison Transmission Grooved TCC Trim Valve is a grooved TCC trim valve that regulates hydraulic pressure to the torque converter clutch circuit. It supersedes previous part number 29542937. It is supplied under part number 29566114. Previous part number: 29542937.
Key Features
- Grooved torque converter clutch trim valve
- Regulates TCC hydraulic pressure
- Supports controlled lockup clutch operation
- Supersedes previous part number 29542937
- Supplied as one individual valve
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


