Timken 710428 Manual Transmission Output Shaft Seal - Front, Front Right or Right

Manual Transmission Output Shaft Seal

Timken 710428 is a manual transmission output shaft seal built to help retain lubricant and block road debris from entering the sealing area. It is a direct-fit service part for a range of Ford, Mercury, Mazda, Lincoln, and Isuzu applications, including Ford Ranger and Ford Explorer models with right-hand or front-right placement.

Key Features

• Precision sealing design helps reduce lubricant escape at the output shaft
• Reinforced outer case helps resist installation damage and improve durability
• Ribbed rubber inner diameter helps seal minor spindle imperfections and promote seating
• Internal contamination exclusion system helps keep debris out of the seal area
• Vent holes promote lubricant flow around the seal lip to help manage heat build-up
• Timken 710428 cross-references National 710428 and Davico Mfg 17521 for the same application

Detailed Description

Timken 710428 is a transmission sealing component for manual drivetrain service where a worn seal can lead to fluid loss and contamination at the output shaft. It is used across multiple fitments, including Fits 2000-2011 Ford Ranger, Front Right; Fits 2006-2010 Ford Explorer, Front Right; and Fits 2000-2010 Mercury Mountaineer, Front Right. Additional coverage includes Ford Explorer Sport Trac, Mazda B4000, Ford Explorer with Dana/Spicer 35 axle applications, and other listed front or right-side positions.

For buyers searching for a Ford Ranger manual transmission output shaft seal, Ford Explorer front right seal, or Mazda B4000 transmission seal, Timken 710428 provides a service replacement built around sealing consistency and contamination control. The design supports lubricant retention while helping reduce wear from debris intrusion and heat-related seal deterioration.

What It Helps Address

• Transmission fluid seepage at the output shaft
• Contamination entering the seal area
• Seal wear from heat build-up
• Leakage caused by minor shaft surface imperfections
• Service replacement needs on Ford Ranger, Ford Explorer, and Mercury Mountaineer applications

Installation Notes and Tips

Inspect the shaft surface, housing bore, and surrounding components before installation. Clean the sealing area thoroughly and verify the seal orientation matches the application before pressing it into place. For vehicles such as the Ford Explorer, Ford Ranger, and Mazda B4000, confirm the listed position and any axle or shaft notes in the fitment data before service.

Quality Assurance

Timken manufactures oil and grease seals with reinforced construction and contamination-control features to support dependable sealing performance in drivetrain service. This part is engineered for the listed applications and follows Timken’s sealing design approach for manual transmission repair.