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Moog RK643108 Suspension Control Arm - Rear Left Upper
| Brand | Moog RK643108 |
|---|---|
| Position | Rear Left Upper |
| Fits | Chevrolet and Buick · 20 vehicles |
Premium control arm. Engineered for structural strength and corrosion protection.
Cross-references Mevotech Supreme CMS501170, 520589 and 20900531 for the same application. See all 4.
Moog RK643108 Rear Left Upper Control Arm
Moog RK643108 is a premium suspension control arm for the rear left upper position. It is engineered for structural strength and corrosion protection, making it a direct-fit replacement for select Chevrolet Impala, Chevrolet Malibu, Chevrolet Malibu Limited, Buick Regal, and Buick LaCrosse applications.
- Premium-grade suspension control arm for the rear left upper position
- Built for structural strength and corrosion resistance
- Direct replacement for select 4-link rear suspension applications
- Fits 2014-2020 Chevrolet Impala, rear left upper
- Fits 2014-2017 Buick Regal, rear left upper, 4 link rear suspension
- Fits 2013-2016 Buick LaCrosse, rear left upper, 4 link rear suspension
- Fits 2016 Chevrolet Malibu Limited, rear left upper
- Fits 2013-2015 Chevrolet Malibu, rear left upper
- Fits 2013 Buick Regal, rear left upper
This part cross-references Mevotech Supreme CMS501170 for the same application.
Detailed Fitment and Function
Moog RK643108 is a rear left upper suspension control arm used to restore rear suspension geometry and secure the wheel assembly in the correct position. It serves Chevrolet Impala, Chevrolet Malibu, Chevrolet Malibu Limited, Buick Regal, and Buick LaCrosse models across the listed years, including 4 link rear suspension configurations where noted. The RK643108 part number is a useful reference when matching the correct rear left upper control arm for these vehicles.
Common Issues This Part Addresses
- Excessive rear suspension play or looseness
- Clunking or knocking from the rear suspension
- Uneven tire wear caused by worn control arm bushings or joints
- Rear alignment problems after suspension wear
- Restoring stable rear wheel location on affected Chevrolet and Buick models
Installation Notes and Quality
Verify year, make, model, and rear left upper position before ordering, especially on 4 link rear suspension vehicles. Compare the original control arm and mounting points to confirm correct application. Moog premium control arms are engineered for structural strength and corrosion protection for foreign and domestic nameplates. Part number RK643108 is the key identifier for this replacement.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Chevrolet | Impala | Rear Left Upper | — |
| 2019 | Chevrolet | Impala | Rear Left Upper | — |
| 2018 | Chevrolet | Impala | Rear Left Upper | — |
| 2017 | Buick | Regal | Rear Left Upper | 4 Link Rear Suspension |
| 2017 | Chevrolet | Impala | Rear Left Upper | — |
| 2016 | Buick | LaCrosse | Rear Left Upper | 4 Link Rear Suspension |
| 2016 | Buick | Regal | Rear Left Upper | 4 Link Rear Suspension |
| 2016 | Chevrolet | Impala | Rear Left Upper | — |
| 2016 | Chevrolet | Malibu Limited | Rear Left Upper | — |
| 2015 | Buick | LaCrosse | Rear Left Upper | 4 Link Rear Suspension |
| 2015 | Buick | Regal | Rear Left Upper | 4 Link Rear Suspension |
| 2015 | Chevrolet | Impala | Rear Left Upper | — |
| 2015 | Chevrolet | Malibu | Rear Left Upper | — |
| 2014 | Buick | LaCrosse | Rear Left Upper | 4 Link Rear Suspension |
| 2014 | Buick | Regal | Rear Left Upper | 4 Link Rear Suspension |
| 2014 | Chevrolet | Impala | Rear Left Upper | — |
| 2014 | Chevrolet | Malibu | Rear Left Upper | — |
| 2013 | Buick | LaCrosse | Rear Left Upper | 4 Link Rear Suspension |
| 2013 | Buick | Regal | Rear Left Upper | — |
| 2013 | Chevrolet | Malibu | Rear Left Upper | — |
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