
21-39 - Grease Cap
The 21-39 Grease Cap is a durable, drive-in style cap designed to protect trailer wheel bearings from dirt, debris, and moisture. With a 2.72-inch outer diameter, this cap is specifically engineered for Dexter 5,200 to 7,000 lb axles equipped with 8-bolt hubs. Its robust construction ensures a secure fit, maintaining the integrity of the wheel bearing assembly during operation.
Key Features
-
Drive-In Installation: Allows for easy and secure installation without the need for specialized tools.
-
Protective Design: Shields wheel bearings from contaminants, extending their service life.
-
Compatibility: Fits Dexter 5.2K–7K axles with 8-bolt hubs.
-
OEM Replacement: Serves as a direct replacement for Dexter part number 21-39.
Specifications
-
-
Product Number: 21-39
-
Outer Diameter: 2.72 inches
-
Material: High-strength steel
-
Finish: Corrosion-resistant coating
-
Installation Style: Drive-in
-
Compatibility: Dexter 5.2K–7K axles with 8-bolt hubs
-