OEM Diff Side Seal 2119970146

What Does a Differential Seal Do in a Car?

A differential seal in a car is a crucial component that helps prevent fluid leakage and contamination in the differential system. It is typically made of durable materials like rubber or silicone to withstand the harsh conditions of the engine compartment. The main function of a differential seal is to create a tight barrier between the differential housing and the axle shaft, ensuring that the lubricating oil stays contained within the differential and does not leak out.

Importance of a Differential Seal

In addition to preventing fluid leakage, a differential seal also plays an important role in keeping dirt, debris, and contaminants out of the differential system. These pollutants can cause significant damage to the gears and other internal components, leading to costly repairs. The seal acts as a barrier, preventing particles from entering the differential housing and affecting the performance and longevity of the differential. By maintaining a clean and contaminant-free environment, the differential seal helps to ensure smooth operation and extend the lifespan of the differential system.