The Eaton Fuller capscrew X8-558 or X-8-558 is a genuine OEM fastener specified for the Controller ECU and Harness group in Eaton Fuller transmissions. Manufacturer illustrated parts manuals for the FO-6406A-ASX and FO-8406A-ASX models list this capscrew with a quantity of two per unit. The part is also referenced under HFX8-558. Because capscrews in the ECU and harness assembly must meet exact thread and torque specifications, confirm the assembly group and model before ordering. Call us to verify fit for your specific transmission.
Features
Genuine Eaton Fuller OEM capscrew
Part number X8-558, also listed as X-8-558 and HFX8-558
Quantity of two specified per unit in the manufacturer parts manual
Applies to the Controller ECU and Harness assembly group
Fitment confirmed in FO-6406A-ASX and FO-8406A-ASX illustrated parts lists
Sold individually (each) by Pro Gear and Transmission
Tech Specs
- Part Number: X8-558 / X-8-558
- Alternate Part Number: HFX8-558
- Manual Assembly Group: Controller ECU and Harness
- Applicable Models: FO-6406A-ASX, FO-8406A-ASX
- Qty Per Unit (per parts manual): 2
- Sold As: Each
