Moog RK643375 Suspension Control Arm - Rear Lower Rearward

Moog RK643375 Rear Lower Control Arm

The Moog RK643375 is a premium suspension control arm for rear lower rearward applications on select Jeep, Dodge, and Compass/Patriot/Caliber platforms. Built for structural strength and corrosion protection, it is a direct-fit OE replacement for vehicles that need restored rear suspension geometry and stable handling.

Key Features

• Premium-grade suspension control arm for rear lower rearward placement
• Engineered for structural strength and corrosion protection
• OE replacement design for select Jeep Compass, Jeep Patriot, and Dodge Caliber applications
• Meets OEM standards on listed fitments
• Moog RK643375 cross-references Dorman OE Solutions and Mevotech Supreme applications for the same use case

Detailed Description

Moog RK643375 is a premium suspension control arm built for rear lower rearward service on 2010-2017 Jeep Compass, 2010-2017 Jeep Patriot, and 2011-2012 Dodge Caliber applications listed below. It is intended for drivers replacing worn rear suspension components on a Jeep Compass or Jeep Patriot, or servicing a Dodge Caliber rear suspension that needs OE-style geometry and dependable structural support. The part number RK643375 is also referenced by OE-style interchange numbers used in the same application family.

Vehicle Fitment

• Fits 2017 Jeep Compass, rear lower rearward, US Built, VIN Number BEGINS WITH 1; Premium OE Replacement.
• Fits 2011-2017 Jeep Patriot, rear lower rearward, Suspension Control Arm and Ball Joint Assembly meets OEM standards.
• Fits 2010-2016 Jeep Compass, rear lower rearward, Suspension Control Arm and Ball Joint Assembly meets OEM standards.
• Fits 2011-2012 Dodge Caliber, rear lower rearward, Suspension Control Arm and Ball Joint Assembly meets OEM standards.
• Fits 2010 Jeep Patriot, rear lower rearward, without Off Road Suspension; Premium OE Replacement.

Common Problems This Part Can Address

• Rear suspension looseness or instability
• Uneven tire wear caused by worn control arm geometry
• Clunking or knocking from the rear suspension area
• Loss of alignment stability after component wear
• Degraded handling on Jeep Compass, Jeep Patriot, or Dodge Caliber rear suspension systems

Installation Notes and Tips

Verify the vehicle’s year, make, model, and rear lower rearward position before ordering. For 2017 Jeep Compass, confirm US-built configuration and VIN beginning with 1. For 2010 Jeep Patriot, confirm the vehicle is without Off Road Suspension. After installation, a professional alignment is recommended to restore proper suspension geometry.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, with OE-replacement intent for foreign and domestic nameplates. This part is built to meet OEM standards on the listed applications.