Eaton Fuller capscrew part number X8L601 or X-8L-601 is a 3/8"-16 x 3/4" hex head cap screw used throughout the Fuller heavy-duty transmission family. Manufacturer illustrated parts lists place this fastener in multiple assemblies across more than 60 Fuller transmission models, including RT, RTF, RTO, RTOF, RTX, RTLO, RTLOF, RTAO, and related series. Specific applications include converter housing assemblies, filter regulator groups, H&C valve assemblies, ECU and harness controller groups, and miscellaneous internal box hardware. If you need help confirming the correct fastener for your transmission assembly, call us and we can verify fitment by model and group.
Interchanges:
- 900589
- 900589OEM
Features
Eaton Fuller OEM capscrew, part number X8L601 or X-8L-601
Thread size and length: 3/8"-16 x 3/4"
Hex head cap screw (capscrew) fastener
Listed in illustrated parts manuals for 60-plus Fuller transmission models
Applies to RT, RTF, RTO, RTOF, RTX, RTLO, RTLOF, and RTAO series transmissions
Sold individually, genuine Eaton Fuller part from Pro Gear and Transmission
Tech Specs
- Thread: 3/8"-16
- Length: 3/4"
- Fastener type: Hex Head Cap Screw (Capscrew)
- Part number: X8L601 or X-8L-601
- Compatible transmission series: RT, RTF, RTO, RTOF, RTX, RTLO, RTLOF, RTAO and related Fuller models
