The Eaton Fuller Rear Case Housing, part number 4303642, is a genuine OEM auxiliary case component covering the rear housing position (item 15 in the Case group) of the RTLO and RTLOF 11610B, 12610B, and 13610B series transmissions. This housing applies to both standard and top-mount (T2) variants of all three ratio families, spanning six base models and their T2 counterparts for a total of twelve covered units. The part notation in Eaton's own illustrated parts manual specifies fitment beginning with designated serial numbers, so confirming your unit's serial number before ordering is recommended. Call us to verify the correct fit for your specific transmission serial range.
Features
OEM Eaton Fuller part number 4303642, also referenced as HF4303642
Fits RTLO-11610B, RTLO-12610B, RTLO-13610B and RTLOF-11610B, RTLOF-12610B, RTLOF-13610B
Covers both standard and T2 (top-mount) variants across all three model families
Item 15 in the Case (Aux) group per Eaton Fuller illustrated parts manual
Fitment applies beginning with specific serial numbers - confirm serial range before ordering
Sold individually (each)
