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. 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.
Interchanges:
- 18739-SP
- 2041202
- 27148-5004
- E7HZ7219C
- FUL18739
- ZBF18739
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
Covers 32 RTLO and RTLOF transmission model variants
Tech Specs
- 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)
Used in 34 Eaton Fuller models
