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          Bosch AL0861X - Alternator (Remanufactured)

          MPN: AL0861X
          The Bosch AL0861X Alternator is designed for select Mercedes-Benz models, ensuring efficient power generation and battery charging. Built to OEM specifications for dependable operation.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $342.95 +$75.00 Core Charge
            Core Charge

            A core is some portion of a part that can be recycled or reused by the manufacturer. This helps to reduce product cost and is good for our environment. For this reason a product with a core has an additional charge associated with it. If the old part is returned in reusable condition, the core charge will be refunded.

          In stock

          Product Overview

          Upgrade your vehicle's electrical system with the Bosch AL0861X Alternator. This rebuilt alternator is engineered to meet OEM standards, ensuring reliable performance for your Mercedes-Benz. The alternator plays a critical role in converting mechanical energy from your engine into electrical energy, maintaining your vehicle's battery charge, and powering essential electrical components. With Bosch, you are choosing premium-grade construction and trusted quality, making this alternator a perfect choice for DIY enthusiasts and professionals alike. Choose Bosch AL0861X for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Bosch AL0861X is equivalent to or replaces the following part numbers: 0131545502

          Vehicle Compatibility

          • Mercedes-Benz S550 5.5 V8 (2007–2010)
          • Mercedes-Benz CL550 5.5 V8 (2007–2010)

          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 Bosch AL0861X Alternator do?

          The alternator is responsible for generating electrical power for the vehicle, converting mechanical energy into electrical energy to charge the battery and power the vehicle's electrical systems. It plays a vital role in ensuring that your vehicle operates smoothly and efficiently.

          How do I know if my Alternator needs replacement?

          Common signs of a failing alternator include dimming headlights, electrical accessories malfunctioning, a battery warning light on the dashboard, and difficulty starting the vehicle. If you notice any of these symptoms, it may be time to consider a replacement.

          Can I install the Bosch AL0861X myself?

          Yes, the Bosch AL0861X can be installed by DIY enthusiasts. However, ensure that you follow proper safety precautions and consult your vehicle's service manual for guidance during the installation process.

          What are the symptoms of a faulty Alternator?

          Symptoms of a failing alternator may include dimming headlights, dashboard warning lights, or a dead battery. If you see DTCs such as P0620, P0621, or P0562, it may indicate a failing alternator.

          Why should I choose Bosch for my Alternator needs?

          Bosch is known for its commitment to quality and performance in automotive parts. Order Bosch AL0861X 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.

            • eEuroparts SKU
              240609
            • Weight
              22.033 lbs
            • Dimensions (L x W x H)
              11.2992 x 9.1339 x 8.4252 in
            • Barcode
              00028851608619
            • Manufacturer Part #
              AL0861X
          • Brand
            Bosch
          • Manufacturer
            Bosch
          • MPN
            AL0861X
          • Part Type
            Alternator
          • OE Part Numbers
            0131545502
          • Features
            Alternator Finish : Aluminum
            Alternator/Generator Rotation : Clockwise
            Amperage Rating : 220
            Brushless : No
            Case Material : Aluminum
            External Fan Included : Yes
            External Regulator Included : Yes
            Fan Type : Internal
            New Or Remanufactured : Remanufactured
            One Wire Capable : No
            Plug Clock Rear View Main Mounting Ear at 6 O Clock : 12
            Plug Type : 463
            Prop 65 Warning Label Required? : No
            Pulley Included : Yes
            Pulley Type / Belt Type (Alternator) : 6S
            Regulator Type : Internal
            Voltage : 12
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2007Mercedes-BenzS5504Matic (5.5 V8 GAS)Engine: 273.968, Notes: High Capacity
          2007Mercedes-BenzS550Base (5.5 V8 GAS)Engine: 273.968, Notes: High Capacity
          2008Mercedes-BenzS5504Matic (5.5 V8 GAS)Engine: 273.968, Notes: High Capacity
          2008Mercedes-BenzS550Base (5.5 V8 GAS)Engine: 273.968, Notes: High Capacity
          2009Mercedes-BenzCL5504Matic (5.5 V8 GAS)Notes: High Capacity, To 220 Amp Alternator
          2009Mercedes-BenzS5504Matic (5.5 V8 GAS)Engine: 273.968, Notes: High Capacity
          2009Mercedes-BenzS550Base (5.5 V8 GAS)Engine: 273.968, Notes: High Capacity
          2010Mercedes-BenzS5504Matic (5.5 V8 GAS)Engine: 273.968, Notes: To Chassis # A322942, High Capacity
          2010Mercedes-BenzS550Base (5.5 V8 GAS)Engine: 273.968, Notes: To Chassis # A322942, High Capacity
          2010Mercedes-BenzCL5504Matic (5.5 V8 GAS)Notes: To 220 Amp Alternator, High Capacity
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          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.

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