Perfect Compatibility: This 21-36 Oil Cap is designed to fit Dexter 9K (post 10-1-1989), 10K, 12K, and 15K axles. Please note, it is not compatible with the 10K models from 2009 and newer (10,000# general duty axles from Dexter #21-88)
Precision Specifications: With an outside diameter of 4 inches, a thread size of 4"-12, and a 1-1/2 inch depth, this oil cap is engineered to be a seamless replacement for your original part, ensuring perfect fit and functionality. Replace Part Number: K71-148-00
Durable Construction: Crafted from high-quality materials, our oil cap is lightweight yet robust, providing excellent resistance against corrosion and oxidation, making it a reliable replacement part for long-lasting performance
Simple Installation Process: Installation is a breeze! Just remove the old cap and screw on the new one by hand. You can complete this quick and easy installation in just a few minutes
Package includes: Each purchase includes 4 units of the 21-36 Oil Caps, ensuring you have spares on hand whenever needed