Description
A compromised main drive gear seal is one of the fastest ways to lose fluid pressure and contaminate your transmission oil in a 5-speed Big Twin. This OEM-specification Baker Drivetrain replacement seal restores the critical barrier between your primary case and main shaft, preventing costly internal damage before it starts. Install with confidence knowing you’re using the exact seal engineered for your transmission.
- Baker Drivetrain OEM part
- 5-speed Big Twin applications
- Main drive gear seal
- Direct replacement fitment
- Prevents fluid leakage
- MPN: 12067B
- Bolt-on installation






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