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Moog RK643899 Suspension Control Arm - Rear Lower Rearward
| Brand | Moog RK643899 |
|---|---|
| Position | Rear Lower Rearward |
| Grade Type | Premium |
| Fits | Buick, Cadillac, Chevrolet, and GMC · 43 vehicles |
Premium control arm. Engineered for structural strength and corrosion protection.
Cross-references 84143517 and 84382664 for the same application. See all 2.
Premium Rear Lower Rearward Control Arm
Moog RK643899 is a premium suspension control arm engineered for structural strength and corrosion protection. It is built for the rear lower rearward position and is a direct-fit replacement for select Cadillac, Chevrolet, Buick, and GMC applications.
Fits 2017-2025 Cadillac XT5, rear lower rearward. Fits 2020-2025 Cadillac XT6, rear lower rearward. Fits 2019-2025 Chevrolet Blazer, rear lower rearward.
Key Features
- Premium-grade suspension control arm for rear lower rearward placement
- Engineered for structural strength in everyday road use
- Corrosion-protection focus for long-term durability
- Direct replacement for select GM crossover and SUV platforms
- Moog RK643899 application coverage spans 2017-2025 model years
Detailed Description
Moog RK643899 is a premium suspension control arm for the rear lower rearward position on select Cadillac XT5 and XT6, Chevrolet Blazer, Buick Enclave, Chevrolet Traverse, Chevrolet Traverse Limited, and GMC Acadia models. The design emphasizes structural integrity and corrosion resistance, making it a practical OE-style replacement for worn or damaged rear suspension components. This part cross-references 84143517 and 84382664 for the same application.
Fits 2018-2024 Buick Enclave, rear lower rearward. Fits 2024 Chevrolet Traverse Limited, rear lower rearward. Fits 2018-2023 Chevrolet Traverse, rear lower rearward. Fits 2017-2023 GMC Acadia, rear lower rearward.
What It Helps Address
- Rear suspension looseness or instability
- Clunking or knocking from the rear suspension area
- Uneven tire wear related to worn suspension geometry
- Excessive play from a damaged control arm
- Corrosion-related replacement needs on the rear suspension
Installation Notes and Tips
Install RK643899 in the rear lower rearward position only on the listed vehicles. Verify year, make, model, and rear suspension position before installation, and inspect related bushings, fasteners, and alignment settings during service. After replacement, a wheel alignment is recommended to confirm suspension geometry.
Quality Assurance
Moog is known for premium suspension components for foreign and domestic nameplates, with an emphasis on strength and corrosion protection. RK643899 is built as a premium replacement control arm for the specified GM applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2025 | Cadillac | XT5 | Rear Lower Rearward | — |
| 2025 | Cadillac | XT6 | Rear Lower Rearward | — |
| 2025 | Chevrolet | Blazer | Rear Lower Rearward | — |
| 2024 | Buick | Enclave | Rear Lower Rearward | — |
| 2024 | Cadillac | XT5 | Rear Lower Rearward | — |
| 2024 | Cadillac | XT6 | Rear Lower Rearward | — |
| 2024 | Chevrolet | Blazer | Rear Lower Rearward | — |
| 2024 | Chevrolet | Traverse Limited | Rear Lower Rearward | — |
| 2023 | Buick | Enclave | Rear Lower Rearward | — |
| 2023 | Cadillac | XT5 | Rear Lower Rearward | — |
| 2023 | Cadillac | XT6 | Rear Lower Rearward | — |
| 2023 | Chevrolet | Blazer | Rear Lower Rearward | — |
| 2023 | Chevrolet | Traverse | Rear Lower Rearward | — |
| 2023 | GMC | Acadia | Rear Lower Rearward | — |
| 2022 | Buick | Enclave | Rear Lower Rearward | — |
| 2022 | Cadillac | XT5 | Rear Lower Rearward | — |
| 2022 | Cadillac | XT6 | Rear Lower Rearward | — |
| 2022 | Chevrolet | Blazer | Rear Lower Rearward | — |
| 2022 | Chevrolet | Traverse | Rear Lower Rearward | — |
| 2022 | GMC | Acadia | Rear Lower Rearward | — |
| 2021 | Buick | Enclave | Rear Lower Rearward | — |
| 2021 | Cadillac | XT5 | Rear Lower Rearward | — |
| 2021 | Cadillac | XT6 | Rear Lower Rearward | — |
| 2021 | Chevrolet | Blazer | Rear Lower Rearward | — |
| 2021 | Chevrolet | Traverse | Rear Lower Rearward | — |
| 2021 | GMC | Acadia | Rear Lower Rearward | — |
| 2020 | Buick | Enclave | Rear Lower Rearward | — |
| 2020 | Cadillac | XT5 | Rear Lower Rearward | — |
| 2020 | Cadillac | XT6 | Rear Lower Rearward | — |
| 2020 | Chevrolet | Blazer | Rear Lower Rearward | — |
| 2020 | Chevrolet | Traverse | Rear Lower Rearward | — |
| 2020 | GMC | Acadia | Rear Lower Rearward | — |
| 2019 | Buick | Enclave | Rear Lower Rearward | — |
| 2019 | Cadillac | XT5 | Rear Lower Rearward | — |
| 2019 | Chevrolet | Blazer | Rear Lower Rearward | — |
| 2019 | Chevrolet | Traverse | Rear Lower Rearward | — |
| 2019 | GMC | Acadia | Rear Lower Rearward | — |
| 2018 | Buick | Enclave | Rear Lower Rearward | — |
| 2018 | Cadillac | XT5 | Rear Lower Rearward | — |
| 2018 | Chevrolet | Traverse | Rear Lower Rearward | — |
| 2018 | GMC | Acadia | Rear Lower Rearward | — |
| 2017 | Cadillac | XT5 | Rear Lower Rearward | — |
| 2017 | GMC | Acadia | Rear Lower Rearward | — |
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