Rotary shaft seals that keep oil in and dirt out.
Oil seals protect bearings and housings around shafts and flanges. A worn seal can cause leaks, contamination and early bearing failure. Match inner and outer diameter, width and lip design. Inspect the shaft surface and replace any with grooves. Correct seal choice helps keep driveline and engine components clean and lubricated.
A worn or hardened oil seal is a common cause.
Measure inner diameter, outer diameter and width, and note the lip style.
Yes. A fresh seal helps protect the new bearing.