Spring Bolt Nut | Mack Engines

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Description

OE Replacements: FNU-4711, PAI4711, 21AX836, 21AX836, 20AX36

Details: Spring Bolt Nut 1-1/4in-12 thread

Mack Engine Application

Direct replacement for OE part 21AX836

Durable steel construction

Quality You Can Trust – PAI has established themselves as the leading supplier of aftermarket heavy duty diesel parts, with quality standards that always meet or exceed OE standards

DETAIL – HDKits hardware and fasteners are carefullly designed and feature very low tolerances. Fastener specifications are measured in a 3D environment and tested to ensure the 100% functionality.