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          Valeo 439507 - Alternator

          MPN: 439507
          The Valeo 439507 Alternator ensures reliable power conversion for your BMW, maintaining battery charge and electrical system health. Engineered for OEM performance.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $238.95
          In stock

          Product Overview

          The Valeo 439507 Alternator is engineered to meet OEM standards, ensuring reliable performance and durability for your BMW vehicle. This premium-grade alternator is designed to efficiently convert mechanical energy from the engine into electrical power, keeping your battery charged and your vehicle's electrical systems functioning optimally. With a charging voltage close to 14 volts, this alternator is a vital component for maintaining the electrical health of your vehicle. Choose Valeo 439507 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Valeo 439507 is equivalent to or replaces the following part numbers: 12311740629, 12317530086, 12317532627, 12317551253, 334-2583, 477907, 11098, AL9413X, 213882, 11098, 11098, 12641, SG14B020, 439231, 11098R.

          Vehicle Compatibility

          • BMW X5 3.0i (2004–2006)
          • BMW Z3 Roadster 2.8 L6 (1997–2000)
          • BMW Z3 Coupe 2.8 L6 (1999–2000)
          • BMW 528i Base 2.8 L6 (1997)

          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 Fit™ - 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 Valeo 439507 Alternator do?

          The alternator converts mechanical energy from the engine into electrical energy, supplying power to the vehicle's electrical systems and charging the battery. A properly functioning alternator is crucial for the vehicle's overall electrical health.

          How do I know if my Alternator needs replacement?

          Signs that your alternator may need replacement include dimming headlights, a battery warning light on the dashboard, electrical system malfunctions, or if the engine is having difficulty starting. If you notice any of these symptoms, it's advisable to have your alternator inspected.

          Can I install the Valeo 439507 myself?

          Yes, the Valeo 439507 can be installed as a DIY project, but it is essential to follow safety precautions and ensure proper tools are used for installation to avoid any damage to your vehicle.

          What are the symptoms of a faulty Alternator?

          Common symptoms of a faulty alternator include dimming or flickering lights, difficulty starting the engine, and electrical accessories failing to operate correctly. If you observe these issues, it is advised to check the alternator as it may be the cause.

          Why should I choose Valeo for my Alternator needs?

          Valeo is known for its high-quality automotive parts that meet OEM specifications. Order Valeo 439507 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
              31728
            • Weight
              15.5 lbs
            • Dimensions (L x W x H)
              8.74 x 7.87 x 10.35 in
            • Barcode
              03276424395078
            • Manufacturer Part #
              439507
          • Brand
            Valeo
          • Manufacturer
            Valeo
          • MPN
            439507
          • Part Type
            Alternator
          • OE Part Numbers
            12311740629, 12317532627, 12317530086, 12317551253
          • Cross Reference Numbers
            439507, AL9413X, 11098, 11098R, SG14B020, 213882, 12641, 477907, 439231, 334-2583, 3342583
          • Features
            Amperage Rating : 140
            California Proposition 65 : WARNING: N/A for this product.
            Family : Valeo OE
            Fan Type : Internal
            Housing Material : Aluminium
            Pulley Belt Type : Serpentine
            Pulley Diameter : 51
            Pulley Groove Quantity : 6
            Regulator Type : Internal
            Rotation Direction : Clockwise
            Technical Number : SG14B020
            Voltage : 12
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          1997BMWZ3Roadster (2.8 L6 GAS)Notes: VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP, VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP
          1997BMW528iBase (2.8 L6 GAS)Notes: VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP, VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP
          2000BMWZ3Roadster (2.8 L6 GAS)Notes: VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP, VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP
          2000BMWZ3Coupe (2.8 L6 GAS)Notes: VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP, VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP
          1999BMWZ3Roadster (2.8 L6 GAS)Notes: VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP, VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP
          1999BMWZ3Coupe (2.8 L6 GAS)Notes: VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP, VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP
          2004BMWX53.0i (3.0 L6 GAS)Notes: VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP, VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP
          2005BMWX53.0i (3.0 L6 GAS)Notes: VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP, VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP
          1998BMWZ3Roadster (2.8 L6 GAS)Notes: VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP, VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP
          2006BMWX53.0i (3.0 L6 GAS)Notes: VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP, VALEO IS THE OE SUPPLIER FOR THIS VEHICLE, 140 AMP
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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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