Rear Quick-Strut Assembly for Lexus IS250 and IS350

Monroe Quick-Strut Complete Strut Assembly 173370 is a rear suspension strut and coil spring assembly built for 2006-2013 Lexus IS250 and 2006-2013 Lexus IS350 applications. It combines the major wear components into one vehicle-specific unit to simplify rear suspension service while restoring factory ride height and ride performance.

Key Features

• Vehicle-specific rear strut assembly for Lexus IS250 and Lexus IS350
• Monroe Quick-Strut Complete Strut Assembly 173370
• Coil spring included for a complete rear suspension repair
• Gas charged design for consistent damping response
• Premium grade construction
• Strut mount insulator(s) included
• Coil spring insulator(s) included
• Mounting hardware included
• Compressed length: 16.34 in; extended length: 22.72 in; travel length: 6.38 in

Product Details

The Monroe Quick-Strut line is built as an all-in-one suspension solution for faster service and more consistent results. This rear assembly is fit checked and ride tested, with a vehicle-specific design intended to restore original ride height and ride performance on the Lexus IS250 and Lexus IS350. Monroe 173370 is a direct-fit rear replacement for drivers servicing worn struts, tired coil springs, or deteriorated mounting components on these rear suspension applications.

This part cross-references Focus Auto Parts 1345766 for the same application.

What It Helps Fix

• Rear-end sag from a weakened coil spring
• Excessive bouncing or poor damping from a worn strut
• Noisy rear suspension caused by aging insulators or mounts
• Uneven ride height on Lexus IS250 and Lexus IS350 rear suspension
• Slow, incomplete suspension recovery after bumps

Installation Notes and Tips

Compatible with 2006-2013 Lexus IS250, rear, and 2006-2013 Lexus IS350, rear. Verify rear suspension configuration before installation and compare the original assembly to Monroe 173370 for mounting points and overall length. Because this is a complete strut and coil spring assembly, it can reduce the need to transfer individual spring and mount components during service.

Quality Assurance

Monroe states that Quick-Strut assemblies are fit checked and ride tested to help ensure proper application match and suspension performance. Monroe has more than 100 years of product development experience in ride control and suspension components.