OE Replacements: QNT-4605, PAI4605, 21AX440, AE177015, 21AX440, 4000-AE177015, 25173887

Details: Locking Nut 3/4-16 Thread x 1-1/16 in. Flats x 7/8 in. Height

Mack Engine Application

Direct replacement for OE part 21AX440

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.