The Eaton Fuller Washer Update Kit, part number K-3161 or K3161, is a genuine OEM kit covering washer components in the mainshaft assembly of Eaton Fuller RTX and RTXF series transmissions. Per Eaton parts manual RTX-11710B, this kit services mainshaft assembly position items including the washers at positions 16 and 17 (part numbers 4303603 and 4302398) and relates to 3rd gear mainshaft components requiring a 3-sided key. Confirmed fitment spans 17 transmission models across the RTX-11710B through RTX-16710B and RTXF-11710C through RTXF-16710C series. Call us to confirm proper fit for your specific application.
Features
Genuine Eaton Fuller OEM update kit, part number K-3161 or K3161
Covers mainshaft washer positions per Eaton parts manual RTX-11710B
Includes washers referencing part numbers 4303603 and 4302398
3-sided key required for proper installation per Eaton service notes
Confirmed fitment in 17 RTX and RTXF 710B/710C series transmission models
Also referenced alongside kits K-3159 and K-3167 in the same manual sections
Tech Specs
- Applicable Transmission Models: RTX-11710B, RTX-12710B, RTX-13710B, RTX-14710B, RTX-15710B, RTX-16710B, RTXF-11710B, RTXF-11710C, RTXF-12710B, RTXF-12710C, RTXF-13710B, RTXF-13710C, RTXF-14710B, RTXF-15710B, RTXF-15710C, RTXF-16710B, RTXF-16710C
- Installation Note: 3-sided key required for positions 17 and 19
- Related Kits: K-3159, K-3167
