Product Overview
Genuine OEM Allison bolt (Part Number 9409058). Common external references identify this as a Hexlock type bolt with 1/2-20 UNF thread and 1 inch length for selected Allison transmission and flywheel related applications. Supplied as a single bolt unless explicitly stated otherwise.
Key Features
- Genuine OEM Allison fastener
- Part number 9409058
- Commonly referenced as 1/2-20 UNF x 1 inch Hexlock bolt
- Used on selected transmission and flywheel related assemblies
- Supports correct clamping force and secure retention
- Supplied as a single bolt unless explicitly stated otherwise
Compatibility / Fitment
Used on selected Allison transmission applications. External references also associate this part with flywheel or flexplate related use, but fitment depends on transmission model and build specification.
Please message us with your engine serial number / Model / Type / Code to check compatibility.
Why Buy Genuine OEM Parts?
- Correct thread form, locking style and dimensions for the intended application
- Supports reliable fastening and helps reduce the risk of loosening in service
- Consistent OEM quality and fit compared with non genuine alternatives
Why Buy From Mitchell Powersystems?
- Authorised Allison Transmission distributor for the UK and Ireland
- Genuine OEM parts supplied with knowledgeable technical support
- We can help confirm the correct part using your transmission details