21-88 - Oil Cap

The 21-88 Screw-On Oil Cap is a high-quality replacement cap designed for Dexter 9,000 lb and 10,000 lb trailer axles manufactured after July 2009. Crafted from clear Lexan plastic, this cap allows for easy visual inspection of oil levels without the need for removal, ensuring optimal maintenance and performance of your trailer's axle system.

Key Features

• Clear Lexan Construction: Provides visibility to monitor oil levels effortlessly.

• Threaded Design: Ensures a secure fit, preventing leaks and contamination.

• Compatibility: Fits Dexter 9K–10K axles manufactured after July 2009.

• Includes: Oil cap, rubber plug, and O-ring for a complete installation.

Specifications

• Product Number: 21-88

• Outer Diameter: 3.5 inches

• Thread Size: 3.5"-12

• Material: Clear Lexan plastic

• Installation Style: Screw-in

• Compatibility: Dexter 9K–10K axles manufactured after July 2009

• Works With: Oil Cap Plug 46-32 and Oil Cap O-Ring 10-163 (Sold Separately)