KYB Suspension Strut Mount P/N:SM5490

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$35.99

MPN: SM5490

UPC: 781552553885

Item Package Quantity: 1

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KYB Suspension Strut Mount P/N:SM5490

$35.99

Description

Quiet a harsh, noisy front ride with the KYB strut mount (P/N: SM5490), a direct-fit front replacement for the 2001-2005 Lexus IS300. This suspension strut mount tops the strut assembly, cushioning impacts from road bumps while the mount bearing serves as the steering pivot and helps carry vehicle weight — making it critical to steering feel and front-end alignment. Old, hardened rubber insulators transmit vibration and noise into the cabin; a fresh KYB unit is designed to restore OE-quality damping for this application.

Superior rubber: reduces noise, vibration, and harshness from worn insulators.
Mount bearing: provides smoother steering and helps retain front-end alignment.
OE-quality replacement: designed specifically for each application.
Matched-grade studs and nuts: included for a proper fit.

If a failed or hardened strut mount is the source of clunking, binding steering, or excess vibration on your IS300, this replaces it. Front position. As a wear part that installs left and right, replacing both sides together is good practice for balanced ride and steering.

Interchange: 4868022150 · 4868053010 · 905932

Manufacturer's Description

Product Specs

Buyer's Guide

Interchange Part Numbers

This part cross-references / interchanges with the following part numbers:

4868022150, 4868053010, 905932

Frequently Asked Questions

What vehicle does the KYB SM5490 strut mount fit?

It is a direct-fit front strut mount for the 2001-2005 Lexus IS300. See the Buyer's Guide tab to confirm your exact vehicle.

Is this a front or rear mount?

This is a front strut mount. It seats at the top of the front strut assembly and acts as the steering pivot.

Does this KYB strut mount kit include hardware?

Yes. It comes with matched-grade studs and nuts for installation.

What are the signs my KYB top mounts need replacing?

Increased noise, vibration, and harshness, clunking over bumps, or binding steering can indicate hardened or failed mounts. Diagnose the cause before replacing.

Should I replace both KYB shock mount units at once?

It's good practice. Since they install as a left/right pair, replacing both sides together helps keep ride and steering balanced.