21-35 - Plastic Oil Cap

The 21-35 Plastic Oil Cap is a threaded, clear Lexan cap designed for Dexter 6K, 7K, and 8K axles, as well as 9K axles manufactured before October 1989. With a 2.875" outer diameter, it provides a secure seal for oil bath hubs, allowing for easy oil level inspection and protection against contaminants.

Key Specifications

• Part Number: 21-35

• Outer Diameter: 2.875"

• Material: Clear Lexan plastic

• Thread Type: Screw-on

• Compatibility: Dexter 6K–8K axles and 9K axles prior to 10/1989

• Applications: Oil bath hub systems

Works With

• 10-45 O-Ring

• 46-32 Rubber Plug