HomeSuspension > Suspension, Springs and Related ComponentsMoog RK643620 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward
Part #: RK643620

Moog RK643620 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Forward

Front Left Lower Forward
33 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Audi and Porsche, A8 Quattro, Cayenne, e-tron Quattro, e-tron S, e-tron S Sportback, e-tron Sportback, Q7, and Q8
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Premium Front Left Lower Forward Control Arm

Moog RK643620 is a premium suspension control arm and ball joint assembly for the front left lower forward position. It is built for structural strength and corrosion protection, making it a direct-fit service part for select Audi, Porsche, and related applications.

Compatible with 2019-2025 Porsche Cayenne, 2020-2023 Audi Q7, and 2020-2023 Audi Q8, this assembly supports precise front suspension geometry. It also fits select Audi e-tron Quattro, e-tron Sportback, e-tron S, and e-tron S Sportback applications.

Key Features

  • Premium-grade suspension control arm and ball joint assembly
  • Front left lower forward position
  • Engineered for structural strength
  • Corrosion protection for long-term service
  • Direct replacement for select Porsche and Audi front suspension applications
  • Moog RK643620 part number for accurate ordering and fitment lookup

Detailed Description

Moog RK643620 is a premium suspension control arm and ball joint assembly for foreign and domestic nameplates, with a focus on strength and corrosion resistance. It is a fitment-based replacement for the front left lower forward suspension position on 2019-2025 Porsche Cayenne, 2020-2023 Audi Q7, 2020-2023 Audi Q8, and select Audi e-tron and A8 Quattro applications. For buyers searching for a front left lower forward control arm for Audi Q7, Audi Q8, or Porsche Cayenne, this part number provides a direct reference point for service and catalog matching. This part cross-references Mevotech Supreme CMS701204 for the same application.

Common Repair Uses

  • Restores worn or damaged front suspension control arm function
  • Addresses looseness or play at the front left lower forward suspension point
  • Helps correct clunking or knocking from the front suspension
  • Supports proper wheel alignment after suspension service
  • Replaces a corroded or fatigued control arm assembly

Installation Notes

Verify vehicle year, make, model, and front left lower forward position before ordering. Confirm the existing part number RK643620 against the vehicle catalog, especially on Audi Q7, Audi Q8, and Porsche Cayenne applications. After installation, perform a professional wheel alignment and inspect adjacent suspension components for wear.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection. The premium grade type supports consistent service quality for select Audi and Porsche suspension repairs.

BrandMoog
Part NumberRK643620
Grade TypePremium

This part fits 33 vehicles. Search below:

YearMakeModelPositionNotes
2025PorscheCayenneFront Left Lower Forward
2024PorscheCayenneFront Left Lower Forward
2023Audie-tron QuattroFront Left Lower Forward
2023Audie-tron SFront Left Lower Forward
2023Audie-tron S SportbackFront Left Lower Forward
2023Audie-tron SportbackFront Left Lower Forward
2023AudiQ7Front Left Lower Forward
2023AudiQ8Front Left Lower Forward
2023PorscheCayenneFront Left Lower Forward
2022Audie-tron QuattroFront Left Lower Forward
2022Audie-tron SFront Left Lower Forward
2022Audie-tron S SportbackFront Left Lower Forward
2022Audie-tron SportbackFront Left Lower Forward
2022AudiQ7Front Left Lower Forward
2022AudiQ8Front Left Lower Forward
2022PorscheCayenneFront Left Lower Forward
2021Audie-tron QuattroFront Left Lower Forward
2021Audie-tron SportbackFront Left Lower Forward
2021AudiQ7Front Left Lower Forward
2021AudiQ8Front Left Lower Forward
2021PorscheCayenneFront Left Lower Forward
2020Audie-tron QuattroFront Left Lower Forward
2020Audie-tron SportbackFront Left Lower Forward
2020AudiQ7Front Left Lower Forward
2020AudiQ8Front Left Lower Forward
2020PorscheCayenneFront Left Lower Forward
2019AudiA8 QuattroFront Left Lower ForwardSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2019Audie-tron QuattroFront Left Lower ForwardSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2019AudiQ7Front Left Lower ForwardSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2019AudiQ8Front Left Lower ForwardSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2019PorscheCayenneFront Left Lower Forward
2018AudiQ7Front Left Lower ForwardSuspension Control Arm and Ball Joint Assembly meets OEM standards.
2017AudiQ7Front Left Lower ForwardSuspension 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:

4M0407151D4M0407151E4M0407151F4M0407151H4M0407151L95840715100CMS701204PAB407151

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