Rear Upper Coil Spring Insulator for 1998-2012 Honda Accord & More - KYB SM5578

Help quiet the ride and cushion the rear coil spring with the KYB coil spring insulator SM5578, a rear upper spring seat insulator. It fits many vehicles, among them the 1998-2012 Honda Accord, 2012-2015 Honda Crosstour and 2010-2011 Honda Accord Crosstour, as a direct-fit replacement for the listed applications. It sits between the coil spring and its mounting seat to isolate the spring and dampen the squeaks, rattles, and vibration noises that develop as the original insulator hardens and ages.

• Helps quiet the ride: replaces old, hardened insulators that transmit vibration and noise through the suspension.
• Application-specific fit: KYB spring seats and insulators are designed for each application to help maintain proper suspension performance.
• Reduces noise: helps cut down squeaks, rattles, and vibration noises at the spring seat.
• OE-level design: built to a design and quality level that meets or beats the original insulator.

See the "Vehicles it fits" section for the full list of vehicles and the fitment on your specific vehicle. If a worn or hardened spring insulator is the source of your rear suspension noise, this replaces it.

Interchange: 905994

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