Product Overview
Allison Transmission Upper Gearbox Case Pan Gasket seals the upper gearbox case pan joint. Correct sealing helps retain transmission fluid and prevent contamination entering the assembly. It is supplied under part number 29503283.
Key Features
- Application specific Allison gasket
- Seals the upper gearbox case pan joint
- Helps prevent transmission fluid leakage
- Fitment must be confirmed from the transmission build
- Supplied as one individual gasket
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


