Part Number: 76443

Fits: AYP & Murray.

Replaces OEM: AYP 137266, 139729. Murray 15X121, 15X140, 15X140MA, MU15X140. Husqvarna 532 13 72-66, 532137266, 532 13 97-29, 532139729

Size: 9/16″ UNC