This countershaft key fits into the slot between the countershaft and its gears in Mack transmissions, locking the two together so torque transfers without slippage. It is a PAI-made replacement, sold individually as a single piece.
Features
PAI transmission component
Part number GKY-2674
Cross-references to Mack OEM 42AX647
Sold individually, one per pack
Used in transmission countershaft assembly
Tech Specs
- Sell Pack: 1 Each
- Cross-Reference: Mack 42AX647
