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Moog RK620800 - Suspension Control Arm and Ball Joint Assembly (Front Left Lower Rearward)
Product Overview
The Moog Suspension Control Arm and Ball Joint Assembly, part number RK620800, is engineered to provide premium quality and performance for BMW owners seeking reliable replacements for their worn suspension components. Constructed from high-grade steel, this assembly is designed to withstand the rigors of everyday driving, ensuring durability and longevity. The inclusion of greaseable fittings allows for easy maintenance, extending the lifespan of the assembly and enhancing performance. One of the standout features of the Moog assembly is its precision design, which promotes improved steering and handling. By reducing wear on suspension components, this assembly contributes to a smoother, more comfortable ride, while enhancing vehicle stability and control. Choose Moog RK620800 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Moog RK620800 is equivalent to or replaces the following part numbers: ACDelco 45D10375, Beck/Arnley 101-6798, BMW 31126771893, Centric Parts 622.34033, Dorman 521-163, MAS Industries CB14363, Mcquay-Norris FA3408, Mevotech CMS101083, Mevotech MS101083, NAPA 2606414, Raybestos Brakes 507-1865, TRW Steering and Suspension Parts JTC1454.
Vehicle Compatibility
- BMW X5 3.0 L6 (2008–2014)
- BMW X5 4.4 V8 (2007–2014)
- BMW X6 3.0 L6 (2008–2014)
- BMW X6 4.4 V8 (2007–2014)
This may also fit other applications. Please use the vehicle selector tool to verify fitment.
Why Shop at eEuroparts.com?
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Exclusive Kits That Fitâ„¢ - complete repair solutions with no guesswork
- Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
- Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
- Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does the Moog RK620800 Suspension Control Arm and Ball Joint Assembly do?
The Suspension Control Arm and Ball Joint Assembly plays a critical role in your vehicle's suspension system. It connects the wheel hub to the vehicle, allowing for smooth movement and providing stability and support while driving. This assembly is essential for maintaining proper alignment and handling characteristics.
How do I know if my Suspension Control Arm and Ball Joint Assembly needs replacement?
Common indicators that the Suspension Control Arm and Ball Joint Assembly may need replacement include clunking noises when driving over bumps, uneven tire wear, and a noticeable decrease in handling or steering response. If you experience any of these symptoms, it may be time to inspect and replace this component.
Can I install the Moog RK620800 myself?
Yes, you can install the Moog RK620800 yourself if you have the proper tools and mechanical knowledge. However, ensure to follow safety precautions and consult a repair manual for your specific vehicle model.
What are the symptoms of a faulty Suspension Control Arm and Ball Joint Assembly?
Symptoms of a faulty assembly may include clunking or rattling sounds when driving over uneven surfaces, poor steering response, and noticeable vibrations in the steering wheel. Pay attention to these signs as they could indicate a need for replacement.
Why should I choose Moog for my Suspension Control Arm and Ball Joint Assembly needs?
Moog is a trusted name in automotive parts, known for high-quality and reliable components. Order Moog RK620800 today for a factory-correct replacement that restores safety and performance.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
- BrandMoog
- ManufacturerMoog
- MPNRK620800
- Part TypeSuspension Control Arm and Ball Joint Assembly
- PositionFront Left Lower Rearward
- OE Part Numbers31126771893
- Cross Reference NumbersJBU697, CB14363, JTC1454, 101-6798, 1016798, CMS101083, 102-7038, 1027038, 521-163, 521163, CB14363PR, 2606414, 622.34033, 62234033, 507-1865, 5071865, CA2205, MS101083, 45D10375, FA3408
- FeaturesAdjustable : No
Ball Joint Mounting Type : Press In
Ball Joint Stud Type : Threaded
Bushing Material : Rubber
Bushings Included : Yes
Control Arm Color : Black
Control Arm Material : Forged Steel
Control Arm Maximum Length : 10.550
Grease Fitting Included : No
Mounting Hardware Included : Yes
Pre-Greased : Yes
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2007 | BMW | X5 | 3.0si (3.0 L6 GAS) | Notes: Includes Bushings |
| 2007 | BMW | X5 | 4.8i (4.8 V8 GAS) | Notes: Includes Bushings |
| 2008 | BMW | X5 | 3.0si (3.0 L6 GAS) | Notes: Includes Bushings |
| 2008 | BMW | X5 | 4.8i (4.8 V8 GAS) | Notes: Includes Bushings |
| 2008 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2008 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2009 | BMW | X5 | xDrive30i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2009 | BMW | X5 | xDrive35d (3.0 L6 DIESEL) | Notes: Includes Bushings |
| 2009 | BMW | X5 | xDrive48i (4.8 V8 GAS) | Notes: Includes Bushings |
| 2009 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2009 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2010 | BMW | X5 | M (4.4 V8 GAS) | Notes: Includes Bushings |
| 2010 | BMW | X5 | xDrive30i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2010 | BMW | X5 | xDrive35d (3.0 L6 DIESEL) | Notes: Includes Bushings |
| 2010 | BMW | X5 | xDrive48i (4.8 V8 GAS) | Notes: Includes Bushings |
| 2010 | BMW | X6 | ActiveHybrid (4.4 V8 FHEV) | Notes: Includes Bushings |
| 2010 | BMW | X6 | M (4.4 V8 GAS) | Notes: Includes Bushings |
| 2010 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2010 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2011 | BMW | X5 | M (4.4 V8 GAS) | Notes: Includes Bushings |
| 2011 | BMW | X5 | xDrive35d (3.0 L6 DIESEL) | Notes: Includes Bushings |
| 2011 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2011 | BMW | X5 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2011 | BMW | X6 | ActiveHybrid (4.4 V8 FHEV) | Notes: Includes Bushings |
| 2011 | BMW | X6 | M (4.4 V8 GAS) | Notes: Includes Bushings |
| 2011 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2011 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2012 | BMW | X5 | M (4.4 V8 GAS) | Notes: Includes Bushings |
| 2012 | BMW | X5 | xDrive35d (3.0 L6 DIESEL) | Notes: Includes Bushings |
| 2012 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2012 | BMW | X5 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2012 | BMW | X6 | M (4.4 V8 GAS) | Notes: Includes Bushings |
| 2012 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2012 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2013 | BMW | X5 | M (4.4 V8 GAS) | Notes: Includes Bushings |
| 2013 | BMW | X5 | xDrive35d (3.0 L6 DIESEL) | Notes: Includes Bushings |
| 2013 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2013 | BMW | X5 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2013 | BMW | X6 | M (4.4 V8 GAS) | Notes: Includes Bushings |
| 2013 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2013 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2014 | BMW | X6 | M (4.4 V8 GAS) | Notes: Includes Bushings |
| 2014 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2014 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
Warranty Overview
At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, contact customer support via Chat or Contact Us.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For complete details, please see our full Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.








