Product Overview
Allison Transmission Internal Control Wiring Harness carries electrical power and signals between supported transmission sensors, solenoids and the TCM. The connector arrangement and control generation must match the transmission build. It is supplied under part number 29558426.
Key Features
- Transmission electrical harness
- Carries sensor or solenoid signals
- Connects supported internal components to the control system
- Connector arrangement must match the transmission build
- Supplied as one complete harness
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


