KYB SR4504 Suspension Strut and Coil Spring Assembly - Rear

KYB Strut-Plus Rear Strut Assembly

The KYB Strut-Plus SR4504 is a rear suspension strut and coil spring assembly engineered for direct replacement on select Chrysler 200 and Dodge Avenger applications. Built to restore ride height, handling response, and vehicle control, it combines OE-style fitment with application-specific damping and a pre-assembled design for professional service work.

Key Features

• Complete rear strut assembly for select 2011-2014 Chrysler 200 and 2014 Dodge Avenger models
• Includes a KYB Excel-G strut with precision-tuned damping valves
• Uses a stronger steel outer shell for added structural support
• High-carbon steel coil spring is matched to vehicle corner weights to help restore OE ride height
• Engineered for exact fitment and pre-assembled for professional results
• Designed to help vehicles equipped with electronic safety systems such as ESC and ABS

Product Details

KYB Strut-Plus SR4504 is part of the KYB Strut-Plus line, a complete suspension solution built around KYB’s OE-restoring strut design. For rear suspension service on the Chrysler 200 and Dodge Avenger, this assembly is built to address the strut’s role in supporting vehicle weight, setting ride height, and helping maintain stability. The matched spring and strut design helps return the vehicle to factory-style suspension geometry and ride characteristics.

This part cross-references Monroe Shocks & Struts 171126 for the same application. SR4504 is a direct-fit option for rear suspension replacement on 2011-2014 Chrysler 200 and 2014 Dodge Avenger models.

What It Helps Address

• Sagging rear ride height
• Excessive bounce or reduced damping control
• Rear-end instability over bumps and uneven pavement
• Worn strut performance affecting steering and chassis response
• Suspension noise or degraded ride quality from aging components

Installation Notes

Fits 2011-2014 Chrysler 200, rear. Fits 2014 Dodge Avenger, rear. Replace the suspension strut and coil spring assembly according to the manufacturer’s instructions. Verify vehicle application, rear position, and suspension configuration before installation. Professional installation is recommended for proper alignment and suspension performance.

Quality Assurance

KYB is an original equipment supplier, and the Strut-Plus line is engineered to restore handling and control with OE-style fitment and application-specific damping. The SR4504 is built to support vehicles with electronic safety systems such as ESC and ABS while maintaining the intended ride height and suspension response.