This synchronizer assembly kit for Mack manual transmissions includes the housing, support sleeve, mounting screws, synchronizer pins, detent balls, springs, synchronizer clutch, and two sets of synchronizer discs. Together these components form a complete rebuild set for the synchro unit, which matches gear speeds during shifts so gears engage without clashing. Sold as one each.
Interchanges:
- Mack 320KB3140C
Features
Synchronizer assembly for manual transmissions
Includes housing, support sleeve, and mounting screws
Includes synchronizer pins, detent balls, and springs
Includes synchronizer clutch and two sets of synchronizer discs
Sold as one each
Tech Specs
- Sell pack: 1 each
- Kit includes: synchronizer assembly, housing (x2), synchronizer support sleeve (x3), screw (x3), clamp (x3), clamp (x3), synchronizer pin (x3), synchronizer pin (x3), detent ball (x6), spring (x6), synchronizer clutch (x1), synchronizer disc (x8), plate (x1), synchronizer disc (x8)
Used in these Mack models
