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Moog RK623964 Suspension Control Arm and Ball Joint Assembly - Front Left Lower
| Brand | Moog RK623964 |
|---|---|
| Position | Front Left Lower |
| Grade Type | Premium |
| Fits | Cadillac, Chevrolet, and GMC · 42 vehicles |
Premium grade. Built for suspension service with a focus on strength and durability.
Corrosion protection. Helps resist wear from road exposure and harsh conditions.
Suspension control arm and ball joint assembly for complete front-end service.
Cross-references 84586488, 84729618 and 84973286 for the same application. See all 5.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Premium control arm assembly
MOOG RK623964 is a premium suspension control arm and ball joint assembly built for structural strength and corrosion protection. It is a direct-fit replacement for select full-size GM trucks and SUVs, including Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon applications.
Key features
- Premium-grade construction for suspension service and replacement.
- Engineered for structural strength under everyday road loads.
- Corrosion protection helps support long-term durability.
- Suspension control arm and ball joint assembly for a complete service part.
- Fits 2019-2024 Chevrolet Silverado 1500, front left lower.
- Fits 2019-2024 GMC Sierra 1500, front left lower.
- Fits 2021-2025 Cadillac Escalade, front left lower.
- Fits 2021-2025 Cadillac Escalade ESV, front left lower.
- Fits 2021-2025 Chevrolet Suburban, front left lower.
- Fits 2021-2025 Chevrolet Tahoe, front left lower.
- Fits 2021-2025 GMC Yukon, front left lower.
- Fits 2021-2025 GMC Yukon XL, front left lower.
Detailed description
RK623964 is a premium suspension control arm and ball joint assembly from MOOG, a brand known for suspension components across foreign and domestic nameplates. This part is specified for the front left lower position and is listed for 2019-2024 Chevrolet Silverado 1500 and GMC Sierra 1500, plus 2021-2025 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Chevrolet Tahoe, GMC Yukon, and GMC Yukon XL. The design focuses on strength and corrosion resistance to support stable suspension operation and consistent alignment geometry. This part cross-references GM OE numbers 84586488 and 84729618 for the same application.
Common replacement reasons
- Worn ball joint or control arm pivot points.
- Clunking or looseness from the front suspension.
- Uneven tire wear related to suspension wear.
- Alignment issues after suspension component wear.
- Corrosion-related deterioration of the original assembly.
Installation notes and tips
Verify the front left lower fitment against the vehicle’s build details before installation. After replacement, a professional wheel alignment is recommended to restore suspension settings. Confirm all mounting points and fastener condition during service.
Quality assurance
MOOG premium control arms are engineered for structural strength and corrosion protection, supporting dependable service in suspension repair applications.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2025 | Cadillac | Escalade | — | Front Left Lower | — |
| 2025 | Cadillac | Escalade ESV | — | Front Left Lower | — |
| 2025 | Chevrolet | Suburban | — | Front Left Lower | — |
| 2025 | Chevrolet | Tahoe | — | Front Left Lower | — |
| 2025 | GMC | Yukon | — | Front Left Lower | — |
| 2025 | GMC | Yukon XL | — | Front Left Lower | — |
| 2024 | Cadillac | Escalade | — | Front Left Lower | — |
| 2024 | Cadillac | Escalade ESV | — | Front Left Lower | — |
| 2024 | Chevrolet | Silverado 1500 | Custom | Front Left Lower | — |
| 2024 | Chevrolet | Suburban | — | Front Left Lower | — |
| 2024 | Chevrolet | Tahoe | — | Front Left Lower | — |
| 2024 | GMC | Sierra 1500 | SLT | Front Left Lower | — |
| 2024 | GMC | Yukon | — | Front Left Lower | — |
| 2024 | GMC | Yukon XL | — | Front Left Lower | — |
| 2023 | Cadillac | Escalade | — | Front Left Lower | — |
| 2023 | Cadillac | Escalade ESV | — | Front Left Lower | — |
| 2023 | Chevrolet | Silverado 1500 | Custom | Front Left Lower | — |
| 2023 | Chevrolet | Suburban | — | Front Left Lower | — |
| 2023 | Chevrolet | Tahoe | — | Front Left Lower | — |
| 2023 | GMC | Sierra 1500 | SLT | Front Left Lower | — |
| 2023 | GMC | Yukon | — | Front Left Lower | — |
| 2023 | GMC | Yukon XL | — | Front Left Lower | — |
| 2022 | Cadillac | Escalade | — | Front Left Lower | — |
| 2022 | Cadillac | Escalade ESV | — | Front Left Lower | — |
| 2022 | Chevrolet | Silverado 1500 | — | Front Left Lower | — |
| 2022 | Chevrolet | Suburban | — | Front Left Lower | — |
| 2022 | Chevrolet | Tahoe | — | Front Left Lower | — |
| 2022 | GMC | Sierra 1500 | — | Front Left Lower | — |
| 2022 | GMC | Yukon | — | Front Left Lower | — |
| 2022 | GMC | Yukon XL | — | Front Left Lower | — |
| 2021 | Cadillac | Escalade | — | Front Left Lower | — |
| 2021 | Cadillac | Escalade ESV | — | Front Left Lower | — |
| 2021 | Chevrolet | Silverado 1500 | — | Front Left Lower | — |
| 2021 | Chevrolet | Suburban | — | Front Left Lower | — |
| 2021 | Chevrolet | Tahoe | — | Front Left Lower | — |
| 2021 | GMC | Sierra 1500 | — | Front Left Lower | — |
| 2021 | GMC | Yukon | — | Front Left Lower | — |
| 2021 | GMC | Yukon XL | — | Front Left Lower | — |
| 2020 | Chevrolet | Silverado 1500 | — | Front Left Lower | — |
| 2020 | GMC | Sierra 1500 | — | Front Left Lower | — |
| 2019 | Chevrolet | Silverado 1500 | — | Front Left Lower | — |
| 2019 | GMC | Sierra 1500 | — | Front Left Lower | — |
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