MasterPro 4713582 Suspension Coil Spring Seat - Front Upper

Front Upper Suspension Coil Spring Seat

Restore proper front suspension support with this MasterPro suspension coil spring seat, part number 4713582. Built from steel and rubber with an included insulator, it is a specific-fit, standard replacement for select Toyota and Lexus applications that require a front upper spring seat.

Compatible With Toyota Sienna, Camry, Avalon, Highlander, Solara, and Venza, plus Lexus ES300, ES330, ES350, RX300, RX330, RX350, RX400h, RX450h, and select RX350 applications. MasterPro 4713582 meets or exceeds original equipment manufacturer specifications for fit and function.

• Steel and rubber construction for suspension support and noise isolation
• Front upper mounting position
• Includes insulator for direct replacement service
• Specific fit for listed Toyota and Lexus vehicles
• Standard replacement grade for OE-style service
• Black finish

Detailed Product Overview

This suspension coil spring seat is used at the front upper position to support the coil spring and help maintain proper suspension alignment. The steel base provides structural support, while the rubber component and included insulator help isolate contact points in the spring assembly. Part number 4713582 is a direct-fit replacement for many Toyota Sienna, Camry, Avalon, Highlander, and Lexus RX and ES platform vehicles.

This part cross-references Monroe Shocks & Struts 904950 for the same application. It also cross-references KYB SM5485 for the same application.

Common Repair Uses

• Front suspension noise from worn spring seat or insulator
• Uneven spring support at the upper mount
• Loss of proper coil spring seating after wear or corrosion
• Restoring OE-style front suspension service on Toyota and Lexus models
• Replacing a damaged upper spring seat during strut or suspension repair

Installation Notes and Tips

Install at the front upper suspension position only on the listed applications. Verify vehicle configuration before ordering, especially for Lexus RX models that require no air suspension and, on the 2015 RX350, chassis serial number beginning with 1K. Confirm the original spring seat and insulator arrangement matches the vehicle’s suspension layout before installation.

Quality Assurance

MasterPro 4713582 is a standard replacement suspension coil spring seat that meets or exceeds original equipment manufacturer specifications. Its specific-fit design supports accurate replacement on the listed Toyota and Lexus applications.