Home› Suspension > Suspension, Springs and Related Components› Moog RK643808 Suspension Control Arm - Rear Right Upper Forward
Moog RK643808 Suspension Control Arm - Rear Right Upper ForwardOE Quality 60-Day Returns
Part #: RK643808

Moog RK643808 Suspension Control Arm - Rear Right Upper Forward

Rear Right Upper Forward
7 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$86.08Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Jeep, Grand Cherokee and Grand Cherokee WK
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Suspension Control Arm options

Premium Rear Right Upper Forward Control Arm

Moog RK643808 is a premium suspension control arm for the rear right upper forward position on select Jeep applications. It is engineered for structural strength and corrosion protection, making it a direct-fit replacement for worn suspension components on the Jeep Grand Cherokee and Jeep Grand Cherokee WK.

Key Features

  • Premium-grade suspension control arm for rear suspension service
  • Built for structural strength in demanding road conditions
  • Corrosion protection helps support long-term durability
  • Direct replacement for the rear right upper forward position
  • Fits 2016-2021 Jeep Grand Cherokee, rear right upper forward
  • Fits 2022 Jeep Grand Cherokee WK, rear right upper forward

Detailed Description

Moog RK643808 is a premium control arm designed for the rear right upper forward location on the Jeep Grand Cherokee and Jeep Grand Cherokee WK. As part of Moog’s suspension control arm lineup, this component is built to restore proper rear suspension geometry and replace a worn or damaged arm with a service part engineered for strength and corrosion resistance. This part cross-references Dorman - OE Solutions 528-226 for the same application.

What It Helps Fix

  • Rear suspension looseness or instability
  • Clunking or knocking from the rear suspension area
  • Uneven tire wear related to suspension wear
  • Excessive play from a worn control arm
  • Alignment issues tied to rear suspension component wear

Installation Notes and Tips

Verify the rear right upper forward position before ordering, since this control arm is application-specific. Confirm year, model, and suspension location on the vehicle, and inspect related bushings and mounting points during replacement. Fits 2016-2021 Jeep Grand Cherokee, rear right upper forward, and fits 2022 Jeep Grand Cherokee WK, rear right upper forward.

Quality Assurance

Moog premium control arms are engineered for foreign and domestic nameplates with an emphasis on structural strength and corrosion protection. Part number RK643808 is built to meet the demands of suspension service on the listed Jeep applications.

BrandMoog
Part NumberRK643808
Grade TypePremium

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2022JeepGrand Cherokee WKRear Right Upper Forward
2021JeepGrand CherokeeRear Right Upper Forward
2020JeepGrand CherokeeRear Right Upper Forward
2019JeepGrand CherokeeRear Right Upper Forward
2018JeepGrand CherokeeRear Right Upper Forward
2017JeepGrand CherokeeRear Right Upper Forward
2016JeepGrand CherokeeRear Right Upper Forward

* 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:

528-22668263732AACMS251253LA96664PR

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

Related Articles