SKF 10140 Automatic Transmission Input Shaft Seal

SKF 10140 Automatic Transmission Input Shaft Seal

The SKF 10140 automatic transmission input shaft seal is built for precise sealing at the transmission input shaft. It uses a nitrile sealing surface and measured dimensions that support a proper fit in the intended application, helping maintain fluid control in the transmission assembly.

Compatible with 2001-2009 Toyota Prius applications, this seal is a direct-fit service part for transmission sealing repairs. The SKF 10140 is also cross-referenced to Monroe Shocks & Struts 9031125025 for the same application.

Key Features

• Automatic transmission input shaft seal for transmission sealing service
• Nitrile sealing surface type for fluid-contact applications
• Outside diameter: 1.570 in.
• Shaft diameter: 1.014 in.
• Width: 0.307 in.
• Fits 2001-2009 Toyota Prius, N/A
• SKF part number 10140 for catalog and service identification

Detailed Description

SKF 10140 is engineered as an automatic transmission input shaft seal with dimensions of 1.570 in. outside diameter, 1.014 in. shaft diameter, and 0.307 in. width. The nitrile sealing surface is selected for transmission environments where fluid retention and contamination control are critical. SKF has a long history in seal design and manufacturing, and this part reflects that focus on dimensional accuracy and material selection.

For Toyota Prius owners servicing the transmission, SKF 10140 provides a direct replacement option for 2001-2009 Toyota Prius models. Use the part number 10140 when matching the seal to service records, and verify the transmission application before installation.

What It Helps Fix

• Transmission fluid seepage at the input shaft
• Contamination entering the transmission through a worn seal
• Seal hardening or wear from age and heat exposure
• Fluid loss that can affect transmission operation
• Service issues during transmission reseal work on a Toyota Prius

Installation Notes and Tips

Inspect the input shaft, seal bore, and surrounding surfaces before installation. Clean the sealing area thoroughly and confirm the seal dimensions match the application before pressing it into place. Avoid nicking the nitrile sealing lip during installation, and verify proper seating depth so the seal contacts the shaft evenly.

Quality Assurance

SKF manufactures seals to specific designs using premium materials and controlled production standards. The brand’s seal engineering background supports consistent fit and sealing performance for transmission service applications.