InMotion WS220918 Automatic Transmission Input Shaft Seal

Automatic Transmission Input Shaft Seal for Honda and Acura

The InMotion WS220918 is a nitrile automatic transmission input shaft seal built to maintain a tight barrier at the transmission interface. It helps keep moisture and debris out while supporting leak control in Honda and Acura applications that rely on precise sealing.

Use this seal for service work on select Honda Civic, Honda Fit, Acura Integra, and related models where a reliable transmission seal is required. The WS220918 is sized for a secure housing fit and is intended for vehicles with the listed transmission codes and applications.

Key Features

• Nitrile construction for sealing performance in transmission service
• Inside diameter: 0.354 in.
• Outside diameter: 0.717 in.
• Thickness: 0.276 in.
• Housing bore: 0.709 in.
• Helps reduce fluid leaks and contamination at the input shaft area
• Part number WS220918 for catalog and service identification

Detailed Description

InMotion WS220918 is an automatic transmission input shaft seal engineered for a precise fit and dependable sealing performance. The nitrile material is selected for use in transmission environments where resistance to fluid exposure and consistent sealing contact matter. With its specified dimensions, this seal is designed to seat properly in the housing bore and help protect sensitive internal transmission components from debris and moisture intrusion.

Compatible applications include 2012-2014 Honda Civic, 2006-2011 Honda Civic, 2009-2010 Honda Fit, 2011-2012 Honda Fit, 2002-2006 Honda CR-V, 1995-2002 Honda Accord, 1995-1998 Honda Odyssey, 1992-1996 Honda Prelude, 1991-1994 Acura Integra, and other listed Honda and Acura models. The WS220918 also appears in service applications for select transmission codes, making it a practical choice for transmission reseal work on Honda Civic and Acura Integra platforms.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Transmission fluid seepage at the input shaft seal area
• Contamination from road debris and moisture entering the transmission
• Seal wear that can lead to reduced sealing integrity
• Service needs during transmission reseal or rebuild work
• Fitment-specific replacement for select Honda and Acura automatic transmissions

Installation Notes and Tips

Confirm the transmission code and application before installation, especially on Honda Civic, Honda Fit, and Acura Integra models with code-specific fitment. Inspect the housing bore and shaft surface for wear, scoring, or contamination before installing the new seal. Clean the sealing area thoroughly and verify the seal seats evenly to avoid leaks after service.

Quality Assurance

InMotion manufactures this seal with precision-focused dimensions and high-quality nitrile material to support dependable transmission sealing in the listed applications. Part number WS220918 should be matched to the vehicle and transmission code for correct service selection.