Monroe 903997 Suspension Strut Mount - Front

Monroe Strut-Mate Mounting Kit 903997

Monroe Strut-Mate Strut Mounting Kit 903997 is built for front suspension service on select Lexus models. It is designed to reduce noise and vibration while supporting the ride control characteristics of Monroe struts.

Key Features

• Front suspension strut mount for select Lexus applications
• Helps reduce noise and vibration at the strut tower
• Matches Monroe strut ride-control performance
• Contents include strut mount, parts package, and hex nut
• Part number 903997 for easy identification

Product Details

The Monroe Strut-Mate Strut Mounting Kit line is made for strut replacement service where the upper mount needs to be renewed along with the strut assembly. This kit is intended for front suspension use on Lexus SC430, GS300, GS430, and GS400 applications listed below. If you are replacing worn front struts on a Lexus GS300 or Lexus SC430, Monroe 903997 provides a direct-fit mounting solution for the specified vehicles.

This part cross-references KYB SM5205 and Monroe Shocks & Struts 172286 for the same application.

What It Helps Address

• Clunking or knocking from a worn front strut mount
• Excess vibration transferred into the cabin
• Noise during steering or suspension movement
• Reduced ride quality after front strut replacement
• Mount wear found during Lexus GS400, GS430, or SC430 suspension service

Installation Notes

Install this front strut mount when replacing conventional struts or springs on the listed Lexus vehicles. Verify the vehicle year, model, and front position before installation. Use the included hex nut and parts package as specified for the application, and follow the service procedure for strut assembly removal and reinstallation.

Quality Assurance

Monroe designs Strut-Mate mounting kits to complement Monroe struts and support consistent ride-control performance in front suspension service.

• Fits 2002-2008 Lexus SC430, front
• Fits 1993-2005 Lexus GS300, front
• Fits 2001-2005 Lexus GS430, front
• Fits 1998-2000 Lexus GS400, front