Settle the ride and support the vehicle's weight with the Monroe Quick-Strut 173370 Rear Suspension Strut and Coil Spring Assembly. This fully assembled, vehicle-specific unit drops in as a direct-fit replacement for the 2006-2013 Lexus IS250 and 2006-2013 Lexus IS350 (see the Buyer's Guide tab for full engine details). It arrives as a complete corner — no spring compressor needed — to make rear strut replacement quicker, safer, and easier.
Backed by Monroe's Limited Lifetime Warranty and the Feel the Difference Guarantee. Sold individually; replace both rear assemblies as a matched pair for balanced ride and handling.
Interchange: LS5391022B · 34HY6092 · 92130369
This part cross-references / interchanges with the following part numbers:
What vehicles does the Monroe 173370 fit?
It's a direct-fit rear assembly for the 2006-2013 Lexus IS250 and 2006-2013 Lexus IS350. Check the Buyer's Guide tab to confirm the exact fit for your vehicle.
Is this a front or rear strut assembly?
It is a rear suspension strut and coil spring assembly. It replaces one rear corner unit on the listed applications.
Do I need a spring compressor to install it?
No. The Quick-Strut arrives fully assembled with the strut, coil spring, and upper mount, so no spring compressor is required for installation.
Does one unit cover both rear corners?
No, it's sold individually for one corner. Replacing both rear assemblies together as a matched pair is recommended for balanced ride and handling.
What components are included?
It includes a preassembled upper strut mount, an application-specific coil spring, and the strut in a single ready-to-install unit.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
