Product Overview
Allison Transmission Cooler Port Shipping Plug closes the transmission cooler port during storage and transport. It helps prevent oil loss, water entry and contamination before the transmission or cooler circuit is connected for service. It is supplied under part number 29546335. Previous part number: 29507970.
Key Features
- ALLISON TRANSMISSION COOLER PORT SHIPPING PLUG 1 1/16-12 – 29546335
- 1 1/16 12 cooler port thread specification
- Protects an open cooler port during shipping
- Helps prevent contamination and water entry
- Reduces fluid loss during handling
Compatibility / Fitment
Fitment 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, connection 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


