Aftermarket Cross-References
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Supersession History
Part Details
- OEM Number
- 189 449 M1
- Part Name
- Spacer, Reverse Idler Gear
- Qty per Tractor
- 1
- Assembly
- Parts Book: Transmission Case
- System
- transmission
- Notes
- Reverse idler gear spacer. Source: MF 65 Parts Book Manual page 285. needs_verification=true.
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Data last verified April 2026. Sources: Massey Ferguson parts books, manufacturer catalogs, community submissions.