MOOG Chassis Products Suspension Ball Joint P/N:K80305
Tighten up loose, wandering steering and keep the front suspension properly located with the MOOG Chassis Products Front Lower Suspension Ball Joint K500441. It installs as a direct-fit replacement for the 2019-2025 Toyota RAV4, 2021-2023 RAV4 Prime, 2021-2023 Venza, 2023 Toyota bZ4X and Crown, plus the 2022-2023 Lexus NX250, NX350, NX350h and NX450h+ — see the Buyer's Guide tab for the full list and engine-level detail.
The ball studs are heat treated to match or exceed OE requirements to improve fatigue strength, and a patented pressed-in cover plate helps seal out debris while minimizing looseness. Precision tolerances are designed for straightforward installation and steering alignment. Signs the original front lower ball joint may need replacing include clunking over bumps, loose or wandering steering, and uneven tire wear.
Interchange: 4333009A90 · TXMS86578
This part cross-references / interchanges with the following part numbers:
What is the MOOG K500441?
It's a front lower suspension ball joint that connects the steering knuckle to the control arm, allowing controlled suspension movement while helping locate the wheel for steering.
Which vehicles does this ball joint fit?
It's a direct-fit replacement for the 2019-2025 Toyota RAV4, 2021-2023 RAV4 Prime, 2021-2023 Venza, 2023 bZ4X and Crown, and 2022-2023 Lexus NX250, NX350, NX350h and NX450h+. Check the Buyer's Guide tab.
Is this ball joint greaseable?
Yes. It has a greaseable socket that lets you flush in fresh lubricant to push out contaminants, which helps reduce corrosion and wear.
What are signs a ball joint needs replacing?
Common signs include clunking over bumps, loose or wandering steering, and uneven tire wear. Have the suspension diagnosed to confirm the ball joint is the cause before replacing.
What interchange numbers does the K500441 replace?
It cross-references 4333009A90 and TXMS86578. Match your original part number and confirm fitment for your vehicle before ordering.
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.