Moog RK641863 Suspension Control Arm - Rear Lower Forward

Brand Moog RK641863
Position Rear Lower Forward
Adjustable No
Ball Joint Included No
Bushing Material Rubber
Bushings Included Yes
Color Black
Friction Material Thickness Paint
Grade Type Regular
Grease Fitting Included No
Length 15.190
Material Stamped Steel
Mounting Hardware Included No
Pre-Greased No
Fits Lexus and Toyota · 8 vehicles

Stamped steel construction. Provides structural strength for dependable suspension performance.

Corrosion-protected finish. Painted black to help resist wear and exposure.

Bushings included. Ready for a complete control arm replacement.

Cross-references Dorman - OE Solutions 521-909, Mevotech Supreme CMS86185 and 45D2507 for the same application. See all 10.

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Moog RK641863 Rear Lower Forward Control Arm

Moog RK641863 is a stamped steel suspension control arm built for the rear lower forward position on select Lexus and Toyota applications. It is engineered for structural strength and corrosion protection, with a painted black finish and rubber bushings for stable suspension movement.

Key Features

  • Stamped steel construction for strength and durability
  • Black painted finish for added corrosion resistance
  • Rubber bushings included for proper suspension articulation
  • Direct replacement style for the rear lower forward position
  • Fits 1999-2003 Lexus RX300 and 2001-2003 Toyota Highlander
  • Moog RK641863 is built for foreign and domestic nameplates

Detailed Description

This suspension control arm is made for the rear lower forward location and is a direct-fit replacement for the specified Lexus RX300 and Toyota Highlander applications. The stamped steel body helps maintain structural integrity under load, while the rubber bushings are selected to support controlled suspension movement and reduce unwanted play at the mounting points. Moog RK641863 is a practical choice when replacing a worn rear lower forward control arm on a Lexus RX300 or Toyota Highlander.

This part cross-references Dorman - OE Solutions 521-909 for the same application.

What It Helps Address

  • Clunking or knocking from worn rear suspension pivot points
  • Excessive suspension looseness or instability
  • Uneven tire wear caused by worn control arm bushings
  • Rear-end alignment issues related to suspension wear
  • Handling changes from deteriorated control arm components

Installation Notes and Tips

Fits 1999-2003 Lexus RX300, rear lower forward. Fits 2001-2003 Toyota Highlander, rear lower forward. Verify the rear lower forward position before installation and inspect adjacent suspension components for wear. Mounting hardware is not included, and the ball joint is not included.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, making RK641863 a dependable replacement option for the listed Lexus RX300 and Toyota Highlander applications.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
2003LexusRX300AWDRear Lower ForwardSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2003ToyotaHighlanderAWDRear Lower ForwardSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2002LexusRX300AWDRear Lower ForwardSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2002ToyotaHighlanderAWDRear Lower ForwardSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2001LexusRX300AWDRear Lower ForwardSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2001ToyotaHighlanderAWDRear Lower ForwardSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2000LexusRX300AWDRear Lower ForwardSuspension Control Arm and Ball Joint Assembly meets OEM standards.
1999LexusRX300AWDRear Lower ForwardSuspension Control Arm and Ball Joint Assembly meets OEM standards.
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - OE Solutions — 521-909Mevotech Supreme — CMS8618545D2507101-6686507-190326064714871048020CA74625FA3465MS86185