KYB SR4240 Suspension Strut and Coil Spring Assembly - Rear Left

KYB Strut-Plus Rear Left for Corolla

The KYB Strut-Plus SR4240 is a suspension strut and coil spring assembly for select Toyota Corolla applications. It is built to restore ride height, steering response, and vehicle stability with an OE-style fit for the rear left position.

Compatible with 2011-2013 Toyota Corolla rear left applications, this assembly is engineered for direct replacement service on vehicles equipped with electronic safety systems such as ESC and ABS.

Key Features

• OE-style replacement choice for Asian vehicles
• Includes a KYB Excel-G strut, a stronger steel outer shell, and application-specific damping valves
• Exact-fit, pre-assembled design for professional installation results
• Side-specific left and right part design follows the vehicle manufacturer’s original layout
• Engineered to help maintain proper operation with electronic safety systems such as ESC and ABS
• Recipient of a 2018 import aftermarket industry award

Product Details

KYB Strut-Plus SR4240 combines a KYB OE-restoring strut with a high-carbon steel coil spring selected for vehicle-specific attributes and corner weights. The goal is to return the suspension geometry and ride height closer to OE specifications while supporting consistent handling on the Toyota Corolla. As part of KYB’s Strut-Plus line, this assembly is built for applications where a complete, side-specific suspension strut and coil spring replacement is preferred over rebuilding individual components.

This part cross-references Monroe Shocks & Struts (e.g., 172599L, 282599L) for the same application.

Common Issues This Part Addresses

• Rear suspension sag or reduced ride height
• Loose, unstable, or inconsistent rear-end handling
• Worn strut performance affecting braking and cornering control
• Noise or ride quality changes from aging suspension components
• Loss of OE-like steering and stability response on Corolla rear suspension service

Installation Notes

Fits 2011 Toyota Corolla, rear left, from 12/2010. Fits 2012-2013 Toyota Corolla, rear left. Replace the suspension strut and coil spring assembly according to the manufacturer’s instructions. Verify side, position, and vehicle build date before installation. SR4240 is a direct-fit assembly for the rear left location and should be matched to the correct side-specific application.

Quality Assurance

KYB is an original equipment supplier, and the Strut-Plus line is engineered around OE-restoring suspension performance. SR4240 is built with application-specific damping and a vehicle-matched spring design to help restore handling, control, and ride height on the Toyota Corolla.