Covers - Differential

What is a Differential Cap?

A differential cap, also known as a differential cover or rear axle cover, is a protective housing that encloses the differential gears and components within the rear axle assembly of a vehicle. It serves as a protective barrier, shielding the internal gears and lubricating fluid from contaminants such as dirt, debris, and moisture. The differential cap also helps to keep the lubricating oil in place, ensuring proper lubrication of the differential gears and reducing friction and wear. Differential caps come in various designs and materials to accommodate different vehicle types and performance needs.

How Do You Seal a Differential?

Sealing a differential is crucial to prevent leaks and maintain the integrity of the internal components. To seal a differential, follow these steps:

1. Drain the old lubricating fluid from the differential.
2. Clean the differential housing and the sealing surfaces thoroughly to remove any old gasket material or debris.
3. Place a new gasket onto the differential housing, aligning the bolt holes.
4. Position the differential cap or cover over the gasket and align it with the bolt holes.
5. Secure the differential cap in place by tightening the bolts evenly and in a crisscross pattern.
6. Refill the differential with the appropriate lubricating fluid, following the manufacturer's recommendations.

Properly sealing the differential is essential to prevent fluid leaks and ensure optimal performance of the rear axle assembly.

How Much Does a Differential Cap Cost?

The cost of a differential cap can vary based on factors such as the vehicle's make and model, the material of the cap, and the brand. Basic differential caps made from durable materials may be more affordable, while specialized or performance-oriented differential caps could have a higher price range. Additionally, the inclusion of any additional features or accessories can also influence the cost. When choosing a differential cap, consider factors such as the vehicle's usage, the type of differential, and the level of protection required. JEGS offers a range of differential caps to suit different needs and budgets.