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Moog RK663890 Suspension Control Arm - Rear Lower
Moog RK663890 Rear Lower Control Arm
The Moog RK663890 is a premium suspension control arm for the rear lower position on select Ram 1500 trucks. Built for 2019-2026 Ram 1500 applications, it focuses on structural strength and corrosion protection for long-term suspension service.
Key Features
- Premium-grade suspension control arm for rear lower placement
- Engineered for structural strength in demanding truck use
- Corrosion-protection focus for improved durability
- Direct-fit replacement for select Ram 1500 rear suspension service
- Part number RK663890 for easy identification
Detailed Description
Moog RK663890 is a premium rear lower control arm for the Ram 1500, covering 2019-2026 model years. It is built for foreign and domestic nameplates with an emphasis on strength and corrosion resistance, making it a practical choice when replacing worn rear suspension components. This part cross-references Mopar 68264947AA for the same application. For buyers searching for a rear lower control arm for 2019-2026 Ram 1500 trucks, RK663890 provides a direct replacement option with OE-style fitment focus.
What It Helps Address
- Rear suspension looseness or instability
- Excessive play from a worn control arm
- Clunking or knocking from the rear suspension area
- Uneven rear wheel tracking caused by suspension wear
- Corrosion-related replacement needs on the rear lower arm
Installation Notes and Tips
Fits 2019-2026 Ram 1500, rear lower. Verify the vehicle year, model, and rear lower position before ordering. After installation, a suspension inspection and alignment check are recommended to confirm proper rear suspension geometry.
Quality Assurance
Moog premium control arms are engineered with structural strength and corrosion protection in mind. RK663890 is a premium-grade suspension component built for service replacement on the Ram 1500 platform.
| Brand | Moog |
|---|---|
| Part Number | RK663890 |
| Grade Type | Premium |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2026 | Ram | 1500 | 3.0L | L6 | Rear Lower | |
| 2025 | Ram | 1500 | 3.0L | L6 | Rear Lower | |
| 2024 | Ram | 1500 | 5.7L | V8 | Rear Lower | |
| 2023 | Ram | 1500 | 5.7L | V8 | Rear Lower | |
| 2022 | Ram | 1500 | 5.7L | V8 | Rear Lower | |
| 2021 | Ram | 1500 | 5.7L | V8 | Rear Lower | |
| 2020 | Ram | 1500 | Rear Lower | |||
| 2019 | Ram | 1500 | Rear Lower |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.