Replacement 21-36 Oil Bath Cap - Threaded - Clear - 4 in. OD for 9-15K Dexter Axles

Product Specs Replaces Dexter 21-36 oil cap Threaded Measurement: 4 in. Outer Diameter (O.D.) Fits: 9,000 lb axles manufactured from October 1989 to July 2009 10,000 lb axles manufactured prior to July 2009 12,000 lb and 15,000-lb heavy-duty axles Product Features Oil cap, plug and o-ring included. Fits Dexter 9-10K trailer axles with 8-lug hubs.