Timken 40576S Drive Axle Shaft Seal - Front

Timken 40576S Front Drive Axle Shaft Seal

The Timken 40576S drive axle shaft seal is built for front axle sealing on 1968-1973 Jeep CJ5 models. It is engineered to retain lubricant at the spindle area while helping block dirt, water, and road debris from entering the assembly.

Key Features

• Precision sealing design helps control lubricant loss at the axle shaft
• Reinforced outer case helps resist installation damage and improve durability
• Ribbed rubber inner diameter helps seal minor spindle imperfections and seat securely
• Internal contamination exclusion system helps reduce debris intrusion
• Vent holes promote lubricant flow around the seal lip to reduce heat buildup

Detailed Description

Timken 40576S is a front drive axle shaft seal for Jeep CJ5 applications from 1968 through 1973. It is designed for driveline and axle service where a reliable seal is needed to keep grease or oil in place and keep contaminants out. This part cross-references National 40576S for the same application. The sealing design, reinforced outer case, and ribbed inner diameter support consistent seating on the spindle, making it a practical choice for front axle maintenance on Jeep CJ5 vehicles.

What It Helps Address

• Front axle lubricant seepage
• Contamination entering the spindle or seal area
• Seal damage during installation
• Leakage caused by minor spindle surface imperfections
• Heat buildup around the seal lip

Installation Notes and Tips

Confirm the vehicle is a 1968-1973 Jeep CJ5 with front axle seal application before installation. Inspect the spindle surface for wear, scoring, or corrosion, and clean the sealing area thoroughly before fitting the seal. Proper seating is important for the ribbed inner diameter to seal correctly and for the vented design to function as intended.

Quality Assurance

Timken oil and grease seals are built with precision sealing features and contamination control details to support dependable driveline service. Part number 40576S is a direct-fit front axle shaft seal for the listed Jeep CJ5 applications.