12k/15k/16k Trailer Axle Oil Cap

Dexter 21-36 Compatible Oil Cap Assembly – Fits 12k-16K Trailer Axles

Ensure proper axle lubrication with this oil bath cap assembly Perfect for new builds and replacements, this kit helps maintain smooth performance and long-lasting durability.

Includes:

• Oil Cap (Dexter Compatible Part 21-36)
• O-Ring (Dexter Compatible Part 010-050)
• Filler Plug (Dexter Compatible Part 046-032)

Fits Most: 12K, 15K, and 16K Trailer Axles

This heavy-duty oil cap assembly prevents leaks, retains lubrication, and ensures optimal axle function for utility, heavy-duty, and commercial trailers. Replaces Dexter 21-36.