KYB SR4586 Suspension Strut and Coil Spring Assembly - Rear

KYB Strut-Plus Rear Strut Assembly

The KYB Strut-Plus SR4586 is a rear suspension strut and coil spring assembly for 2013-2014 Subaru Legacy models. Built as an OE-style replacement, it is engineered to restore ride height, handling response, and vehicle control with application-specific components.

For Subaru Legacy rear suspension service, SR4586 combines KYB’s Strut-Plus design with parts selected to match the vehicle’s original ride characteristics. It is a direct-fit assembly for professional repair work on the rear suspension.

Key Features

• OE-style replacement choice for Asian vehicles
• Includes a KYB Excel-G strut with application-specific precision damping valves
• Uses a stronger steel outer shell for added structural support
• Pre-assembled for exact fitment and professional results
• Left- and right-specific design and components follow the vehicle manufacturer’s layout
• Engineered to help vehicles with electronic safety systems such as ESC and ABS
• Recipient of a 2018 industry award in the import aftermarket category

Detailed Description

KYB, an original equipment supplier, designs the Strut-Plus line to restore handling and control characteristics in the same way the vehicle was originally engineered. The SR4586 rear assembly uses a KYB strut paired with a high-carbon steel coil spring developed around vehicle attributes and corner weights to help restore ride height within OE specifications. For 2013-2014 Subaru Legacy rear suspension repair, this part number provides a complete, application-specific assembly that supports consistent ride quality and steering stability.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Rear-end sag or reduced ride height
• Excessive bouncing or poor damping control
• Loose or unstable handling over uneven roads
• Uneven rear suspension response after strut wear
• Restoration of factory-style suspension geometry on a Subaru Legacy

Installation Notes and Tips

Fits 2013-2014 Subaru Legacy, rear. Replace the suspension strut and coil spring assembly according to the manufacturer’s instructions. Verify rear suspension condition, mounting points, and alignment settings before returning the vehicle to service. SR4586 is pre-assembled for professional installation and exact fitment on the specified application.

Quality Assurance

KYB manufactures OE-supplier suspension components and builds the Strut-Plus line to restore original ride and handling characteristics. The SR4586 is engineered around application-specific damping and spring specifications for the listed Subaru Legacy rear fitment.