The Eaton 583166C1 is a 12-point cap screw used in differential hardware applications on heavy-duty trucks. Also cataloged under Spicer part number EH583166C1, this fastener is sold individually. The 12-point drive head provides greater torque engagement compared to standard hex hardware, making it the correct replacement for assemblies that specify this cap screw style. Pro Gear and Transmission carries genuine Eaton drivetrain hardware. Not sure this is the right fastener for your differential? Give us a call and we can help confirm proper fit before you order.
Features
Genuine Eaton 12-point cap screw, part number 583166C1
Also cross-references as Spicer EH583166C1
Sold as individual fastener (each)
12-point drive head for higher torque engagement than standard hex fasteners
Direct replacement for differential hardware requiring this cap screw specification
Tech Specs
- Part Number: 583166C1
- Cross-Reference: Spicer EH583166C1
- Drive Type: 12-Point Cap
- Application: Differential Hardware
- Unit of Measure: Each
