KYB Suspension Strut and Coil Spring Assembly P/N:SR4185
Smooth out a worn front corner and restore original ride height with the KYB Strut Plus SR4405, a complete strut and coil spring assembly that drops onto the front left corner of the 2006-2012 Toyota Avalon. As an original equipment supplier, KYB engineers this Strut-Plus unit to help restore the handling and control your Avalon was designed to deliver, pre-assembled so it installs as one ready-to-bolt corner.
Each KYB complete strut ships as a full corner unit — strut, mount and spring assembled together — for professional results. Named winner of the 2018 Best Overall Import Aftermarket Product, it is a direct-fit KYB front strut assembly for the listed Avalon application. See the Buyer's Guide tab to confirm your exact vehicle.
What is the KYB SR4405?
It is a KYB Strut Plus complete strut and coil spring assembly — an Excel-G strut, mount and application-engineered coil spring pre-assembled into one ready-to-install corner unit.
Which vehicle does this KYB quick strut assembly fit?
It is engineered for the front left corner of the 2006-2012 Toyota Avalon. Check the Buyer's Guide tab to confirm it matches your exact vehicle before ordering.
Does this KYB strut plus assembly fit the left or right side?
This unit is the front left assembly, with side-specific design and components. KYB uses separate left and right part numbers, so order the side you need.
Should I replace both front struts at the same time?
This listing is for one assembly. Replacing both front struts as a matched pair is recommended for balanced, even handling and ride height across the axle.
What coil spring does this KYB front strut assembly use?
It uses a high-carbon steel coil spring, application-engineered to match the strut and help maintain proper ride height while controlling weight without sacrificing ride quality.
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.