Description
Description
Fits
| Year | Make | Model |
| 1999 – 2007 | Ford | F-Series Superduty |
This 4th gear countershaft gear engages with the mainshaft gear to transfer power during 4th gear operation. It has 39 teeth, ensuring precise fit and function within the gear set. When this wears out, expect rough shifts and potential slippage—no fun when you’re hauling heavy loads. Swap it out to keep your drivetrain reliable and your truck ready to tow.
Part Number: ZMZFS6-9
Features
- 4th Countershaft Gear
- 6-Speed
- ZF Manual Transmission Component
- 39-Tooth
- Quantity 1
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