KYB SR4031 Suspension Strut and Coil Spring Assembly - Front Right
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$165.60at FixGoChecked Nov 8
Compared across 6 stores. Prices are checked against each store and labelled with when.
Compared across 6 stores. Prices are checked against each store and labelled with when.
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The KYB SR4031 is a complete front-right strut and coil spring assembly for 1997-2003 Toyota Avalon and 1997-2001 Lexus ES300. It pairs a KYB Excel-G strut with a vehicle-specific high-carbon steel spring, so ride height and damping come pre-matched instead of assembled from separate parts. That makes it a simpler, faster install than a bare strut plus reused springs and mounts. It suits owners restoring a worn front corner to stock behavior rather than anyone wanting a lowered or sport-tuned ride.
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Lowest price we've seen: $165.60 on Nov 8 at FixGo. Tracked across 4 stores since Nov 8.
Owners of older Avalons and ES300s generally report that the Strut-Plus assembly restores a firm, controlled ride and removes the float and clunks of worn originals. Complaints center on the one-corner packaging and on the ride being stiffer than a tired original.
KYB Strut-Plus SR4031 Front Right
KYB Strut-Plus SR4031 is a front right suspension strut and coil spring assembly engineered to restore ride height, handling response, and steering control. It is built for Asian vehicle applications and is assembled for exact fitment on the listed Toyota and Lexus models.
Key Features
• OE-style replacement choice for Asian vehicles
• Includes a KYB Excel-G strut with application-specific damping valves
• Stronger steel outer shell for added structural support
• Pre-assembled for professional results and exact fitment
• Side-specific design with left/right part numbers as the vehicle manufacturer intended
• Engineered to help vehicles equipped with ESC, ABS, and related electronic safety systems
• Assembled in the USA
• Recipient of a 2018 industry award in the import aftermarket category
Product Details
The KYB Strut-Plus line combines an OE-restoring KYB strut with a high-carbon steel coil spring selected around vehicle-specific attributes and corner weights. That approach helps return ride height to OE specifications while supporting stable braking, steering, and body control. KYB’s background as an original equipment supplier is reflected in the SR4031 design, which is built for direct replacement on the front right side of the vehicle.
Compatible With 1997-2003 Toyota Avalon, front right; 1997-2001 Lexus ES300, front right; and 1997-2001 Toyota Camry, front right. This part cross-references Monroe Shocks & Struts (e.g., 271678) for the same application.
What It Helps Address
• Sagging front ride height
• Loose or inconsistent front-end handling
• Excessive bounce or poor damping response
• Steering instability from worn strut assembly components
• Ride quality changes caused by aging suspension parts
Installation Notes and Tips
Install the SR4031 on the front right position only and follow the vehicle manufacturer’s instructions for strut and coil spring assembly replacement. Verify exact application by year, make, model, and side before installation. Because this is a pre-assembled strut and spring unit, it is built for direct replacement rather than component-level assembly.
Quality Assurance
KYB designs this Strut-Plus assembly as an OE-restoring replacement using application-specific damping and vehicle-matched spring rates. The part is assembled in the USA and built to support the handling and control characteristics expected from the original suspension design.
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