The Eaton Fuller S-1826 is a front case assembly for use with the integral oil pump, covering an extensive range of RTX and RTXF series heavy-duty transmissions. Fitment spans 42 models including the RTX-11709H, RTX-14709H, RTX-16710C, RTXF-11709H, RTXF-16709H, and numerous variants in between. This is a genuine Eaton Fuller component sold by Pro Gear and Transmission. Call us to confirm the correct fit for your specific transmission model and build.
Interchanges:
- 1685845C91
- 23650
- 3088-S1826
- 3135882
- S1826-SP
- ZBFS1826
Features
Genuine Eaton Fuller front case assembly, part number S-1826 or S1826
Designed for use with integral oil pump configurations
Fits RTX and RTXF series transmissions across 42 documented models
Listed in parts manuals for RTX-11709H, RTX-14709H, RTX-16710C, RTXF-14709H, and related variants
Used in 44 Eaton Fuller models
