Product Overview
Genuine Allison Transmission packing O ring designed to seal mating surfaces within selected transmission assemblies. This OEM sealing component helps prevent fluid leaks and supports reliable transmission operation.
Key Features
- Genuine Allison Transmission OEM part
- Packing O ring for transmission sealing applications
- 1.98 inch internal diameter specification
- Helps reduce fluid loss and contamination ingress
- Supplied as a single O ring unless explicitly stated otherwise
Compatibility / Fitment
Suitable for selected Allison transmission assemblies where part number 6770820 is specified.
Please message us with your engine serial number / Model / Type / Code to check compatibility.
Why Buy Genuine OEM Parts?
- Correct dimensions and material specification for the intended application
- Consistent sealing performance compared with non genuine alternatives
- Helps reduce downtime and repeat repairs caused by leaks
- Built to Allison engineering standards
Why Buy From Mitchell Powersystems?
- Authorised Allison Transmission distributor for the UK and Ireland
- Genuine OEM parts supplied with technical support
- UK stock availability for fast dispatch
- Help available to confirm the correct part using your transmission details