The Meritor capscrew S21420A2 is a genuine Meritor fastener for heavy-duty truck differential and drivetrain applications. Sourced directly as an OEM Meritor part, it is the correct replacement when rebuilding or servicing Meritor and Rockwell-branded axle and differential assemblies. Because capscrews are torque-critical fasteners, using the exact specified part number matters for proper clamping load and thread engagement. The S21420A2 is sold by Pro Gear and Transmission. Not sure this is the right capscrew for your application? Give us a call before ordering.
Features
Genuine Meritor OEM capscrew, part number S21420A2
Designed for use in Meritor and Rockwell axle and differential assemblies
Critical torque-fastener application requires exact part number match
Sold by Pro Gear and Transmission
