The Eaton Fuller Spring 18739 is a shift bar housing spring used across the RTLO and RTLOF 10-speed heavy-duty transmission families, including the RTLO-11610B through RTLO-18610B series and their RTLOF counterparts. Item 35 in the illustrated parts lists for these transmissions, it is referenced in kit numbers K-2755, K-2756, and K-2299, as well as service kits S-2058 and S-2486. Cross-references include 18739-SP, 2041202, 27148-5004, E7HZ7219C, and ZBF18739. Covering 32 transmission models in total, this spring is a precise OEM-matched component. Call us to confirm proper fit for your specific transmission serial number.
Features
Fits RTLO and RTLOF series transmissions, 11610B through 18610B
Shift bar housing application, item 35 in OEM illustrated parts lists
Referenced in Eaton kits K-2755, K-2756, and K-2299
Compatible with service kits S-2058 and S-2486
Cross-references: 18739-SP, 2041202, 27148-5004, E7HZ7219C, ZBF18739
Covers 32 RTLO and RTLOF transmission model variants
Tech Specs
- Cross Reference Part Numbers: 18739-SP or 18739SP, 2041202, 27148-5004 or 271485004, E7HZ7219C, ZBF18739, FUL18739
- Application: Shift Bar Housing (Standard and F configurations)
- Transmission Series: RTLO and RTLOF 10-speed heavy-duty
- Models covered: RTLO-11610B through RTLO-18610B, RTLOF-11610B through RTLOF-18610B (32 models total)
- Kit References: K-2755, K-2756, K-2299, S-2058, S-2486
- Sold individually (each)
