National 222558 Manual Transmission Input Shaft Seal

Manual Transmission Input Shaft Seal for Subaru

National 222558 is a metric manual transmission input shaft seal built with nitrile material for dependable sealing performance. It is sized for a 25.000 mm shaft, 44.200 mm outside diameter, and 7.000 mm width, making it a precise replacement for Subaru manual transmission applications.

Compatible With Subaru Impreza, WRX, Forester, Legacy, Outback, Crosstrek, XV Crosstrek, Baja, and Saab 9-2X applications that use the listed transmission configurations. National 222558 is also cross-referenced to Anchor 9752 for the same application.

Key Features

• Manual transmission input shaft seal for transmission sealing service
• Nitrile construction for oil resistance in drivetrain applications
• Metric dimensions: 25.000 mm shaft, 44.200 mm outside diameter, 7.000 mm width
• Housing bore size: 44.000 mm
• National 222558 part number for direct identification
• Fits a wide range of Subaru manual transmission applications, including TY757, TY755, TY752, TY753, TW75F, TM65F, TY75F, TM45F, and TM55F configurations

Detailed Description

National 222558 is an oil seal used at the manual transmission input shaft to help maintain proper sealing at the transmission case. National has supplied sealing products for decades and continues to develop solutions for modern vehicle service needs. This seal’s metric sizing and nitrile material make it a practical replacement choice for Subaru manual transmission repair work where correct shaft and housing dimensions matter.

Fits 2016-2020 Subaru Crosstrek, N/A; Fits 2008-2020 Subaru Impreza, N/A; Fits 1993-2005 Subaru Impreza, N/A; Fits 2013-2020 Subaru WRX, N/A; Fits 2018-2020 Subaru WRX STI, N/A; Fits 2009-2018 Subaru Forester, N/A; Fits 2003-2004 Subaru Forester, N/A; Fits 2013-2015 Subaru XV Crosstrek, N/A; Fits 1990-2014 Subaru Legacy, N/A; Fits 2000-2014 Subaru Outback, N/A; Fits 2005-2008 Subaru Forester, N/A with Subaru TY757 Transmission; Fits 2005-2007 Subaru Impreza, N/A with Subaru TY757 Transmission; Fits 2005-2006 Subaru Baja, N/A with Subaru TY757 Transmission; Fits 2003-2004 Subaru Baja, N/A with Subaru TY755 Transmission; Fits 1999-2002 Subaru Forester, N/A with Subaru TY755 Transmission; Fits 1999 Subaru Impreza, N/A with Subaru TY752 Transmission; Fits 1998 Subaru Forester, N/A with Subaru TY753 Transmission; Fits 1985-1987 Subaru Standard, N/A with Subaru TW75F Transmission; Fits 1985-1987 Subaru Standard, N/A with Subaru TM65F Transmission; Fits 1985-1987 Subaru Standard, N/A with Subaru TY75F Transmission; Fits 1983-1987 Subaru Standard, N/A with Subaru TM45F Transmission; Fits 1985-1987 Subaru Standard, N/A; Fits 1981-1982 Subaru Standard, N/A; Fits 1983-1984 Subaru Standard, N/A with Subaru TM55F Transmission.

Common Repair Uses

• Transmission fluid seepage at the input shaft area
• Oil leakage around the manual transmission bellhousing
• Seal wear from age, heat, and drivetrain use
• Service replacement during clutch or transmission work
• Restoring proper sealing on Subaru manual gearbox applications

Installation Notes and Tips

Verify the transmission code and shaft dimensions before installation, especially on Subaru models with TY757, TY755, TY752, TY753, TW75F, TM65F, TY75F, TM45F, or TM55F notes. Inspect the shaft surface and housing bore for wear, clean the sealing area thoroughly, and confirm the seal seats evenly before reassembly. Use the exact part number 222558 when matching the seal to the application.

Quality Assurance

National is known for sealing products and has supported the industry for more than 75 years. Part number 222558 reflects that experience with a metric nitrile seal designed for transmission service in Subaru and related manual transmission applications.