Product Overview
Allison Transmission AT MT Filter Kit is a transmission filter service kit for supported Allison AT and MT Series applications. The supplied data cross references 29538489, 29538474 and Donaldson P557153. It is supplied under part number M29538489.
Key Features
- 1 x transmission oil filter
- 1 x oil pan gasket
- 1 x 1.109 inch O ring and 1 x 0.729 inch O ring
- 1 x AT grommet and 1 x MT grommet
- Supplied as one complete filter kit
Kit Contents
The confirmed supplied components are listed above where available. This product is supplied as one complete kit. Check current Allison parts data and the sealed packaging before publishing any unlisted component quantities.
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

