Fight off leak-causing grit with the KYB strut bellows SB151, a front strut boot kit that shields the polished shaft, upper seal and bushing from the dirt, dust, sand, salt and road debris that cause abrasive wear. It's a direct-fit boot kit for the front struts of the 2016-2022 Lexus RX350, 2016-2022 Lexus RX450h and 2017-2019 Toyota Highlander — see the "Vehicles it fits" section to confirm your vehicle.
If a torn or missing boot has left your original strut shaft exposed, this kit restores that protective barrier during a strut service.
Product information is for general reference and may contain errors. See our Disclaimer.
What does the KYB strut bellows SB151 do?
It covers the entire front strut shaft with a durable plastic bellows, keeping dirt, dust, sand, salt and road debris off the polished shaft, upper seal and bushing.
Does the SB151 fit my vehicle?
It's a front application for the 2016-2022 Lexus RX350, 2016-2022 Lexus RX450h and 2017-2019 Toyota Highlander. Check the "Vehicles it fits" section to confirm your exact vehicle.
Does this kit include a bumper?
Yes. It includes a poly foam travel-limiting bumper (jounce bumper) designed to keep the strut from bottoming out and to limit extreme-movement damage to other components.
Why should I replace a torn strut boot?
A torn or missing boot exposes the shaft, letting abrasive contaminants reach the shaft, upper seal and bushing, which can lead to leaks and shorten strut life.
Is this a front or rear part?
The SB151 is a front strut boot kit for the listed Lexus and Toyota applications.
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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.
