The Eaton Fuller countershift OD (overdrive) gear, part number 16675, is the countershift assembly overdrive gear listed in the illustrated parts manuals for the RTX-12509 and RTXF-12509 transmissions. The parts manual shows a quantity of two per countershift assembly, covering both the latest design and old design countershift groups for those units. If you are rebuilding or servicing an RTX-12509 or RTXF-12509, this is the OEM-referenced gear for that application. Call us to confirm proper fit for your specific transmission build.
Interchanges:
- Navistar 464910C1
Features
Eaton Fuller genuine OD (overdrive) countershift gear
Part number 16675
Quantity of two required per countershift assembly
Listed in RTX-12509 and RTXF-12509 transmission parts manuals
Covers both latest design and old design countershift assembly groups
Tech Specs
- Model Fitment: RTX-12509, RTXF-12509
- Gear Position: Overdrive (OD) Countershift Gear
- Qty Per Assembly: 2
- Manual Group: C/S ASSY (Latest Design and Old Design)
Used in these Eaton Fuller models
