The Eaton Fuller 4300241 is the 1st speed countershaft gear for the RTLO-18718B manual transmission. This countershaft gear is a direct OEM Eaton Fuller part, cross-referenced under several numbers including 21025, 3135846, S-A876, and 4300241-SP. The RTLO-18718B is a heavy-duty 18-speed overdrive unit commonly found in Class 8 applications, and this gear is a core component of the countershaft assembly within that gearbox. Pro Gear and Transmission carries genuine Eaton Fuller drivetrain components. Call us to confirm proper fit for your specific transmission serial number before ordering.
Features
Genuine Eaton Fuller OEM countershaft gear
1st speed position in the countershaft assembly
Direct application: RTLO-18718B transmission
Cross-references include 21025, 3135846, S-A876, 4300241-SP, and ZBF4300241
Sold individually (each)
Tech Specs
- Part Number: 4300241
- Alternate Part Numbers: 4300241 or 4300241-SP or 4300241SP
- Cross References: 21025, 3135846, 35530601, S-A876, SA876, ZBF4300241
- Application: RTLO-18718B manual transmission
- Gear Position: 1st speed, countershaft
- Unit of Measure: Each
