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Moog RK620798 - Suspension Control Arm and Ball Joint Assembly (Front Left Lower Forward)
Product Overview
The Moog Suspension Control Arm and Ball Joint Assembly, part number RK620798, is a premium-grade replacement part specifically designed for BMW vehicles. This assembly ensures reliable performance and longevity, making it an ideal choice for both professional technicians and DIY enthusiasts. Engineered to meet or exceed OEM standards, the Moog assembly features a pre-installed ball joint, which reduces installation time and enhances durability. The robust construction, including a powdered metal gusher bearing design, minimizes friction and wear, resulting in a smoother ride and improved handling. Choose Moog RK620798 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Moog RK620798 is equivalent to or replaces the following part numbers: 45D10088, 101-7038, 31126773949, 31126773950, 622.34031, TC2227, 521-161, 521-162, 36837, CB14353, FA3571, CMS101143, MS101143, MS101144, 2606582, 5071992, JTC1456.
Vehicle Compatibility
- BMW X5 xDrive35d (2012–2019)
- BMW X5 xDrive35i (2011–2019)
- BMW X5 xDrive50i (2010–2019)
- BMW X6 xDrive35i (2011–2019)
- BMW X6 xDrive50i (2010–2019)
- BMW X6 ActiveHybrid (2011)
- BMW X5 3.0si (2008–2010)
- BMW X5 4.8i (2008–2010)
- BMW X6 M (2010)
- BMW X6 4.4 V8 (2008–2019)
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 RK620798 Suspension Control Arm and Ball Joint Assembly do?
The Moog Suspension Control Arm and Ball Joint Assembly plays a critical role in your vehicle's suspension system. It connects the steering knuckle to the vehicle chassis, allowing for proper wheel alignment and enhancing ride comfort and handling.
How do I know if my Suspension Control Arm needs replacement?
Common symptoms indicating the need for replacement include excessive noise when driving over bumps, poor handling, uneven tire wear, and a noticeable decrease in ride quality.
Can I install the Moog RK620798 myself?
Yes, the Moog RK620798 can be installed by DIY enthusiasts; however, it is important to follow proper installation guidelines and take necessary precautions to ensure safety and performance.
What are the symptoms of a faulty Suspension Control Arm?
Symptoms of a failing Suspension Control Arm include clunking noises while driving, difficulties in steering, and an overall decline in ride quality. It is advisable to have the component inspected if these issues arise.
Why should I choose Moog for my Suspension Control Arm needs?
Moog is renowned for its quality and reliability in automotive parts. Order Moog RK620798 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
- MPNRK620798
- Part TypeSuspension Control Arm and Ball Joint Assembly
- PositionFront Left Lower Forward
- OE Part Numbers31126773949, 31126773950, 31126863169
- Cross Reference NumbersQSJ3547S, 2606582, JTC1456, CMS101143, 45D10088, CB14353, 521-162, 521162, CA6394, 101-7038, 1017038, MS101143, CB14353PR, 36837, MS101144, TC2227, FA3571, 5071992, CB15063PR, 521-161, 521161, 622.34031, 62234031
- 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 : 16.290
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 | xDrive35d (3.0 L6 DIESEL) | Notes: Includes Bushings |
| 2010 | BMW | X5 | xDrive30i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2010 | BMW | X5 | xDrive48i (4.8 V8 GAS) | Notes: Includes Bushings |
| 2010 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2010 | BMW | X6 | ActiveHybrid (4.4 V8 FHEV) | Notes: Includes Bushings |
| 2010 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2011 | BMW | X5 | xDrive35d (3.0 L6 DIESEL) | Notes: Includes Bushings |
| 2011 | BMW | X5 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2011 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2011 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2011 | BMW | X6 | ActiveHybrid (4.4 V8 FHEV) | Notes: Includes Bushings |
| 2011 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2012 | BMW | X5 | xDrive35d (3.0 L6 DIESEL) | Notes: Includes Bushings |
| 2012 | BMW | X5 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2012 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2012 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2012 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2013 | BMW | X5 | xDrive35d (3.0 L6 DIESEL) | Notes: Includes Bushings |
| 2013 | BMW | X5 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2013 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2013 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2013 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2014 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings, with Active Steering Control |
| 2014 | BMW | X5 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings, with Active Steering Control |
| 2014 | BMW | X5 | xDrive35d (3.0 L6 DIESEL) | Notes: with Active Steering Control, Includes Bushings |
| 2014 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings |
| 2014 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings |
| 2015 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings, with Active Steering Control |
| 2015 | BMW | X5 | xDrive50i (4.4 V8 GAS) | Notes: with Active Steering Control, Includes Bushings |
| 2015 | BMW | X5 | xDrive35d (3.0 L6 DIESEL) | Notes: Includes Bushings, with Active Steering Control |
| 2015 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings, with Active Steering Control |
| 2015 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: with Active Steering Control, Includes Bushings |
| 2016 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: with Active Steering Control, Includes Bushings |
| 2016 | BMW | X5 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings, with Active Steering Control |
| 2016 | BMW | X5 | xDrive35d (3.0 L6 DIESEL) | Notes: with Active Steering Control, Includes Bushings |
| 2016 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: with Active Steering Control, Includes Bushings |
| 2016 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: Includes Bushings, with Active Steering Control |
| 2017 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: with Active Steering Control, Includes Bushings |
| 2017 | BMW | X5 | xDrive50i (4.4 V8 GAS) | Notes: with Active Steering Control, Includes Bushings |
| 2017 | BMW | X5 | xDrive35d (3.0 L6 DIESEL) | Notes: Includes Bushings, with Active Steering Control |
| 2017 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: with Active Steering Control, Includes Bushings |
| 2017 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: with Active Steering Control, Includes Bushings |
| 2018 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Notes: with Active Steering Control, Includes Bushings |
| 2018 | BMW | X5 | xDrive50i (4.4 V8 GAS) | Notes: with Active Steering Control, Includes Bushings |
| 2018 | BMW | X5 | xDrive35d (3.0 L6 DIESEL) | Notes: Includes Bushings, with Active Steering Control |
| 2018 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings, with Active Steering Control |
| 2018 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: with Active Steering Control, Includes Bushings |
| 2019 | BMW | X6 | xDrive50i (4.4 V8 GAS) | Notes: Includes Bushings, with Active Steering Control |
| 2019 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Notes: with Active Steering Control, 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.








