SKF 21410 Automatic Transmission Input Shaft Seal

SKF 21410 Automatic Transmission Input Shaft Seal

The SKF 21410 automatic transmission input shaft seal is built for transmission sealing performance where fluid retention and contamination control matter. It is a direct-fit style seal for select Ford, Mazda, and Mercury applications, including the Ford Escape, Mazda Tribute, Mazda 626, Mercury Cougar, Ford Contour, Mercury Mystique, Ford Probe, and Mazda MX-6.

SKF has a long history in shaft seal engineering, and this seal reflects that experience with a LongLife sealing surface and application-specific dimensions for a precise fit. The SKF 21410 is designed to help maintain transmission fluid inside the unit while keeping dirt and debris out.

Key Features

• Automatic transmission input shaft seal for transmission sealing systems
• LongLife sealing surface type for durable sealing performance
• Outside diameter: 3.493 in.
• Shaft diameter: 2.141 in.
• Width: 0.329 in.
• Fits select Ford, Mazda, and Mercury vehicles with confirmed application coverage
• SKF part number 21410 for easy identification

Detailed Description

The SKF 21410 is an automatic transmission input shaft seal engineered to match specific transmission dimensions and sealing requirements. Its premium-material construction is intended to support consistent sealing at the shaft interface, where transmission fluid control is critical. This part is a strong match for long-tail searches such as Ford Escape automatic transmission input shaft seal, Mazda Tribute transmission input shaft seal, and Mazda 626 transmission seal replacement.

This part cross-references National 4635V for the same application. The SKF 21410 also cross-references AMS Automotive 4635.

What It Helps Address

• Transmission fluid leakage at the input shaft area
• Contamination entering the transmission through a worn seal
• Seal wear from age, heat, and fluid exposure
• Drivability issues related to low transmission fluid level
• Service replacement for worn OE-style transmission seals

Installation Notes and Tips

Inspect the input shaft, sealing surface, and surrounding transmission components before installation. Clean the bore and shaft area thoroughly, and verify the seal dimensions against the original part before pressing it into place. For best results, install on a clean, undamaged surface and confirm proper seating to avoid leaks.

Quality Assurance

SKF designs and manufactures seals to specific application requirements using premium materials and controlled production standards. The brand’s seal engineering heritage dates back to the first integrated shaft seal, and its products are built for long service life and dependable sealing performance.

Fitment

• Fits 2008-2011 Mazda Tribute, N/A
• Fits 2001-2006 Mazda Tribute, N/A
• Fits 2001-2008 Ford Escape, N/A
• Fits 1994-2002 Mazda 626, N/A
• Fits 1999-2002 Mercury Cougar, N/A
• Fits 1995-2000 Ford Contour, N/A
• Fits 1995-1999 Mercury Mystique, N/A
• Fits 1995-1997 Ford Probe, N/A, CD4E Transaxle
• Fits 1994-1997 Mazda MX-6, N/A