Timken 471504 Engine Crankshaft Seal - Front

Timken 471504 Front Crankshaft Seal

Timken 471504 is a front engine crankshaft seal built for controlled oil retention and contamination exclusion. It is a direct-fit service part for 1968-1971 Jeep CJ5 front applications, including Jeep CJ5 front seal replacement work where a precise sealing surface is needed.

Key Features

• Precision sealing design helps keep engine oil and grease where they belong.
• Reinforced outer case resists installation damage and adds durability.
• Ribbed rubber inner diameter helps seal minor spindle imperfections and supports stable seating.
• Internal contamination exclusion system helps block debris that can contribute to leakage.
• Vent holes promote lubricant flow around the seal lip to reduce heat buildup.

Detailed Description

This Timken crankshaft seal is engineered for front engine sealing service on 1968-1971 Jeep CJ5 models. The seal design focuses on maintaining a tight barrier at the crankshaft while helping exclude dirt and other contaminants from the sealing area. Timken 471504 is also cross-referenced to National 471504 and BBB Industries 17285 for the same application.

What It Helps Address

• Front crankshaft oil leakage
• Grease seepage at the seal area
• Contamination entering the sealing surface
• Heat-related seal wear from poor lubricant circulation
• Leakage caused by minor spindle surface imperfections

Installation Notes and Tips

Verify the crankshaft sealing surface before installation and clean the housing thoroughly. Press the seal in evenly to avoid distorting the reinforced outer case, and confirm the lip seats squarely on the shaft. For Jeep CJ5 front crankshaft seal service, match the part to the vehicle year and position before assembly.

Quality Assurance

Timken manufactures oil and grease seals with precision sealing features and contamination control elements for engine sealing service. This part number is 471504.