Replaces the Dexter 21 - 37 oil cap ; Fits Dexter 9K (after 10K GD (2- piece drum), and Oil Cap, Plug and O-Ring for Dexter 7-9K Trailer Axles.
Dexter Plastic Oil Cap • Fits Dexter 6K, 7K, & 8K 8 bolt axles • Fits Dexter 9K axles made before • Cap only.
4" Diameter Oil Cap Features and Specifications: Rubber plug and O-ring not included Fits hubs Outer diameter of threads: 4". Hewitt Heiserman: "Ben Graham and the Growth Investor" Wells Cargo Vertical Posts. Join Our Mailing List. Motorcycle Trailer Cargo Control. Subscribe to our Newsletter. Tie Downs and Straps.