HomeSuspension > Suspension, Springs and Related ComponentsMoog RK643255 Suspension Control Arm - Rear Lower
Part #: RK643255

Moog RK643255 Suspension Control Arm - Rear Lower

Rear Lower
3 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Mustang
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Premium Rear Lower Control Arm for Mustang

Moog RK643255 is a premium suspension control arm for the rear lower position on select Ford Mustang models. It is engineered for structural strength and corrosion protection, making it a direct-fit replacement for worn suspension control arm and ball joint assemblies.

Key Features

  • Premium-grade suspension control arm for rear lower installation
  • Built for structural strength in demanding suspension service
  • Corrosion protection helps support long-term durability
  • Meets OEM standards for the listed Ford Mustang application
  • Direct replacement for OE-style fitment on 2007-2009 Ford Mustang

Detailed Description

Moog RK643255 is a rear lower suspension control arm for 2007-2009 Ford Mustang models. This part number is engineered to restore proper suspension geometry and replace a worn control arm and ball joint assembly with a premium aftermarket solution. If you are searching for a rear lower control arm for 2007 Ford Mustang, 2008 Ford Mustang, or 2009 Ford Mustang applications, RK643255 is built for that exact fitment. This part cross-references 5R3Z5A649AA and 6R3Z5A649A for the same application.

Common Issues This Part Can Address

  • Excessive rear suspension play
  • Clunking or knocking from the rear lower suspension area
  • Uneven tire wear related to worn suspension geometry
  • Loose or unstable rear-end handling
  • Wear in the control arm and ball joint assembly

Installation Notes and Tips

Fits 2007-2009 Ford Mustang, rear lower. Verify the vehicle’s rear lower suspension configuration before installation and compare the original part number, mounting points, and alignment settings. After replacement, a professional wheel alignment is recommended to confirm suspension geometry.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, with OEM-standard fitment for the listed Mustang application. RK643255 is a premium-grade replacement part for Ford Mustang rear lower suspension service.

BrandMoog
Part NumberRK643255
Grade TypePremium

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2009FordMustangRear LowerSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2008FordMustangRear LowerSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2007FordMustangRear LowerSuspension Control Arm and Ball Joint Assembly meets OEM standards.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

5R3Z5A649AA6R3Z5A649A9R3Z5A649B

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.