The Eaton Fuller capscrew X8C6109 or X-8C-6109 is a 3/8"-16 x 1-1/4" hex head cap screw used in RTLO and RTLOF series heavy-duty transmissions. According to Eaton Fuller illustrated parts manuals, this fastener appears in the heat exchanger and shift bar housing groups of 25 transmission models, including the RTLO-12913A, RTLO-18610B-T2, RTLO-18918B-T2, RTLOF-18918B, and related variants. Typical installation quantity is 1 to 2 capscrews per application point. Cross-references include 3088-X8C6109 and ZBFX8C6109. Call us to confirm the correct fastener for your specific transmission build.
Features
Capscrew size: 3/8"-16 x 1-1/4"
Genuine Eaton Fuller part number X8C6109 or X-8C-6109
Fits heat exchanger and shift bar housing groups
Listed in parts manuals for 25 RTLO and RTLOF series transmission models
Cross-references: 3088-X8C6109, 3088X8C6109, ZBFX8C6109
Sold individually (each)
Tech Specs
- Part Number: X8C6109 or X-8C-6109
- Type: Hex Head Cap Screw
- Thread Size: 3/8"-16
- Length: 1-1/4"
- Application Groups: Heat Exchanger, Shift Bar Housing
- Compatible Transmission Series: RTLO and RTLOF
- Cross-References: 3088-X8C6109, 3088X8C6109, FUL X8C6109, FULX8C6109, ZBFX8C6109
- Unit of Measure: Each
