21-42-1 - Grease Cap

The 21-42-1 Drive-In E-Z Lube Grease Cap is a durable, drive-in style cap designed to protect trailer wheel bearings from dirt, debris, and moisture. With a 2.44-inch outer diameter, this cap is specifically engineered for Dexter 5,200 to 6,000 lb axles equipped with 6-bolt hubs.

Key Features

• Protective Design: Shields wheel bearings from contaminants, extending their service life.

• Compatibility: Fits Dexter 5.2K–6K axles with 6-bolt hubs.

• E-Z Lube Access: Designed to work with E-Z Lube spindles, allowing for easy grease application.

• OEM Replacement: Serves as a direct replacement for Dexter part number 21-42-1.

Specifications

• Product Number: 21-42-1

• Outer Diameter: 2.44 inches

• Material: High-strength steel

• Finish: Corrosion-resistant coating

• Installation Style: Drive-in

• Compatibility: Dexter 5.2K–6K axles with 6-bolt hubs

• Rubber Plug: Sold separately (Part #85-1)