KYB SR4218 Suspension Strut and Coil Spring Assembly - Rear

KYB Strut-Plus Rear Strut Assembly for Dodge Caliber

The KYB Strut-Plus SR4218 is a rear suspension strut and coil spring assembly engineered for 2007-2012 Dodge Caliber models. Built to restore ride height, handling, and control, it combines OE-focused damping with a pre-assembled design for a precise replacement.

Key Features

• Includes a KYB Excel-G strut with application-specific damping valves
• High carbon steel coil spring is selected to help restore OE ride height
• Stronger steel outer shell adds durability to the assembly
• Exact fitment, pre-assembled for professional results
• Engineered to support vehicles equipped with electronic safety systems such as ESC and ABS
• Assembled in the USA

Product Line Details

KYB Strut-Plus is a complete strut assembly line focused on OE-style replacement performance. For the Dodge Caliber rear suspension, SR4218 combines KYB’s restoring strut design with a matched coil spring to help return the vehicle to factory ride height and handling characteristics. This part number, SR4218, is built for direct replacement service on the rear of the vehicle.

Detailed Description

As an OE supplier, KYB designs suspension components around how the vehicle should ride and respond on the road. The SR4218 rear assembly is built for the 2007-2012 Dodge Caliber, rear, and is intended to replace the suspension strut and coil spring assembly according to the manufacturer’s instructions. This part number, SR4218, is a practical choice when the original rear suspension has lost damping control, ride height, or stability. This part cross-references Monroe Shocks & Struts (e.g., 172401, 182401) for the same application.

What It Helps Address

• Excessive rear bounce or reduced damping control
• Sagging ride height from worn coil springs
• Loose or unstable rear suspension feel
• Uneven handling response over bumps and turns
• Restoration needs after rear strut wear on a Dodge Caliber

Installation Notes and Tips

Fits 2007-2012 Dodge Caliber, rear. Replace the suspension strut and coil spring assembly according to the manufacturer’s instructions. Verify rear suspension condition, mounting points, and alignment requirements before returning the vehicle to service. SR4218 is pre-assembled for direct installation, which helps reduce spring transfer work during replacement.

Quality Assurance

KYB is an original equipment supplier, and the Strut-Plus line is engineered to restore handling and control with OE-focused components and application-specific damping. The assembly is built with a restoring strut, matched spring rate, and precision valve tuning for the listed application.