KYB 339185 Suspension Strut - Rear Left

KYB Excel-G Rear Left Strut for Avalon

The KYB Excel-G 339185 is a suspension strut built to restore original ride control, stability, and steering response on select Toyota Avalon applications. It is an OE-style replacement for the rear left position and is calibrated to return the vehicle’s designed handling characteristics without changing the factory feel.

Built on KYB’s OE production lines, the Excel-G line focuses on restoring factory performance for daily driving. For 2006-2007 Toyota Avalon rear left applications, part number 339185 is a direct-fit suspension strut choice for owners looking to address worn damping and maintain proper suspension behavior.

Key Features

• OE-style replacement for Asian vehicles, including Toyota Avalon applications
• Restores designed control, lane-change response, and body motion management
• Nitrogen gas-charged, twin-tube construction
• Triple-lip fluid seal helps reduce oil and gas leakage
• Vehicle-specific, hand-assembled damping valves for consistent tire contact and steering response
• Strong strut body and bracket design helps minimize flex and maintain alignment
• Made in the USA
• R-stop design included

Product Details

KYB Excel-G is the brand’s OE replacement line for drivers who want factory-correct suspension behavior. Part number 339185 is engineered to restore the original ride control expected from the rear left strut on the Toyota Avalon, with damping calibrated to match the vehicle’s designed performance. This part cross-references Monroe Shocks & Struts 72310 for the same application.

Common Symptoms This Strut Can Address

• Excessive bouncing or poor rebound control at the rear suspension
• Reduced stability during braking or lane changes
• Uneven tire contact caused by worn damping
• Noisy or loose-feeling rear suspension behavior
• Loss of factory ride quality on a Toyota Avalon

Installation Notes

• Fits 2007 Toyota Avalon, rear left; replace the suspension strut and coil spring assembly according to manufacturer instructions.
• Fits 2006 Toyota Avalon, rear left; recommended OEM replacement from 1/2006.
• KYB recommends new strut mounts, part number SM5722, to reduce noise and vibration.
• Verify alignment and inspect related suspension components during installation.

Quality Assurance

KYB supplies shocks and struts to new vehicle manufacturers, and the Excel-G line is produced using OE-quality components on the same assembly lines used for original equipment production. The design is intended to restore factory performance and maintain the suspension behavior the vehicle was built with.