HomeSuspension > Suspension, Springs and Related ComponentsMoog RK643622 Suspension Control Arm - Rear Lower Rearward
Part #: RK643622

Moog RK643622 Suspension Control Arm - Rear Lower Rearward

Rear Lower Rearward
8 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, ATS and CTS
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Premium Rear Lower Rearward Control Arm

Moog RK643622 is a premium suspension control arm for select Cadillac ATS and Cadillac CTS applications. It is engineered for structural strength and corrosion protection, making it a direct replacement choice for rear suspension service on these vehicles.

Key Features

  • Premium-grade suspension control arm for rear lower rearward placement
  • Built for structural strength in demanding suspension use
  • Corrosion protection helps support long-term durability
  • Direct-fit replacement for select Cadillac ATS and Cadillac CTS models
  • Moog RK643622 for rear suspension repair and restoration

Detailed Description

Moog RK643622 is a rear lower rearward suspension control arm for 2016-2019 Cadillac ATS and 2016-2019 Cadillac CTS. This premium control arm is built for foreign and domestic nameplates and focuses on strength and corrosion resistance, which are important in rear suspension components exposed to road spray, load changes, and repeated movement. If you are servicing a Cadillac ATS rear lower rearward control arm or replacing a Cadillac CTS rear lower rearward suspension arm, RK643622 provides a direct replacement option. This part cross-references 23464346 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 worn suspension geometry
  • Excessive play in the rear lower rearward control arm
  • Handling changes caused by worn suspension pivot points

Installation Notes and Tips

Fits 2016-2019 Cadillac ATS, rear lower rearward. Fits 2016-2019 Cadillac CTS, rear lower rearward. Confirm the vehicle’s rear suspension position before installation and compare the removed part to RK643622 for match-up of shape and mounting points. After replacement, a wheel alignment is recommended to verify rear suspension geometry.

Quality Assurance

Moog positions this control arm as a premium replacement part with structural-strength and corrosion-protection focus for foreign and domestic applications. Part number RK643622 is built to meet the needs of rear suspension service on the listed Cadillac ATS and Cadillac CTS fitments.

BrandMoog
Part NumberRK643622
Grade TypePremium

This part fits 8 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2019CadillacATSVRear Lower Rearward
2019CadillacCTS6.2LV8Rear Lower Rearward
2018CadillacATSVRear Lower Rearward
2018CadillacCTS6.2LV8Rear Lower Rearward
2017CadillacATSVRear Lower Rearward
2017CadillacCTS6.2LV8Rear Lower Rearward
2016CadillacATSVRear Lower Rearward
2016CadillacCTS6.2LV8Rear Lower Rearward

* 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:

23464346

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