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          Valeo 439070 - Alternator

          MPN: 439070
          The Valeo 439070 Alternator ensures efficient power conversion for your BMW, keeping electrical systems operational. Designed to meet OEM standards for reliable performance.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $270.95
          In stock

          Product Overview

          The Valeo Alternator (80A) is engineered to OEM standards, making it a reliable replacement part for your BMW. This premium-grade alternator is designed to efficiently convert mechanical energy into electrical energy, ensuring that your vehicle's electrical systems remain powered. Whether you're driving a BMW Z3, 323i, or M3, the Valeo alternator delivers consistent performance, keeping your battery charged and your vehicle running smoothly. Choose Valeo 439070 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Valeo 439070 is equivalent to or replaces the following part numbers: 12311735743, 12311735792, 12311738437, 12311744560, 12311744564, 12311744565, 12311744566, 12311744567, 321-1500, 13470, 186-0764, AL0749X, A-9279, 213471, 13470, 15930, 213-9376, 13313, A13VI132, 439070, 13470N.

          Vehicle Compatibility

          This part fits some of the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility.

          • BMW Z3 Roadster 2.5 L6 (1998–2000)
          • BMW Z3 M Coupe 3.2 L6 (1998–2000)
          • BMW Z3 M Roadster 3.2 L6 (1998–2000)
          • BMW 323i 2.5 L6 (1996–1999)
          • BMW 323is 2.5 L6 (1996–1999)
          • BMW 328i 2.8 L6 (1996–1999)
          • BMW 328is 2.8 L6 (1996–1999)
          • BMW M3 3.2 L6 (1995–1999)
          • BMW 325i 2.5 L6 (1995–1995)
          • BMW 525i 2.5 L6 (1995–1995)

          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 Valeo 439070 Alternator do?

          The alternator is an essential component of your vehicle's electrical system. It converts mechanical energy from the engine into electrical energy, recharging the battery and powering the electrical systems such as lights, radio, and onboard computers. A functioning alternator typically generates around 14 volts, ensuring that your vehicle operates smoothly.

          How do I know if my Alternator needs replacement?

          Common signs that your alternator may need replacement include dimming headlights, electrical issues in the vehicle, warning lights on the dashboard (especially the battery light), and difficulty starting the engine. If you notice any of these symptoms, it may be time to inspect or replace your alternator.

          Can I install the Valeo 439070 myself?

          Yes, the Valeo 439070 alternator can be installed by a DIY enthusiast. However, ensure you follow all safety precautions and consult the vehicle’s service manual for specific instructions.

          What are the symptoms of a faulty Alternator?

          Symptoms of a faulty alternator include dimming or flickering lights, failure of electrical components, and a dead battery. If you see DTCs such as P0562 (System Voltage Too Low) and P0620 (Generator Control Circuit Malfunction), it may indicate a failing alternator.

          Why should I choose Valeo for my Alternator needs?

          Valeo is synonymous with quality and reliability in the automotive parts industry. Order Valeo 439070 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
              31681
            • Weight
              13.69 lbs
            • Dimensions (L x W x H)
              8.74 x 7.87 x 10.35 in
            • Barcode
              03276424390707
            • Manufacturer Part #
              439070
          • Brand
            Valeo
          • Manufacturer
            Valeo
          • MPN
            439070
          • Part Type
            Alternator
          • OE Part Numbers
            12311744565, 12311744567, 12311735792, 12311735743, 12311744564, 12311744560, 12311744566, 12311738437
          • Cross Reference Numbers
            13470, 321-1500, 3211500, 13313, 186-0764, 1860764, A-9279, A9279, A13VI132, DRA4145, 213-9376, 2139376, 213471, 13470N, 15930, 439070, AL0749X, DRA9100
          • Features
            Amperage Rating : 80
            California Proposition 65 : WARNING: N/A for this product.
            Family : Valeo OE
            Fan Type : Internal
            Housing Material : Aluminium
            Pulley Belt Type : Serpentine
            Pulley Diameter : 50
            Pulley Groove Quantity : 6
            Regulator Type : Internal
            Rotation Direction : Clockwise
            Technical Number : A13VI132
            Voltage : 14
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          1992BMW325isBase (2.5 L6 GAS)Transmission Control: Automatic, Transmission Control: Manual, Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1992BMW325iBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, From 09/91, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1992BMW525iBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1993BMW525iBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1993BMW325iBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1993BMW325isBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1995BMW325isBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, From 04/95, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1995BMW525iBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, From 04/95, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1995BMWM3Lightweight (3.0 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, To 04/95, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1995BMWM3Base (3.0 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, From 04/95, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1995BMW325iBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, To 04/95, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1997BMWM3Base (3.2 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1997BMW328isBase (2.8 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1997BMW328iBase (2.8 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          2000BMWZ3M Coupe (3.2 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          2000BMWZ3M Roadster (3.2 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          2000BMWZ3Roadster (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1999BMW323isBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1999BMW328isBase (2.8 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1999BMW328iBase (2.8 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, Convertible, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1999BMW323iBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, Convertible, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1999BMWM3Base (3.2 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1999BMWZ3Roadster (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1999BMWZ3M Coupe (3.2 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1999BMWZ3M Roadster (3.2 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1998BMW328isBase (2.8 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1998BMW323iBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1998BMWM3Base (3.2 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1998BMW328iBase (2.8 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1998BMW323isBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1996BMW328isBase (2.8 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1996BMWM3Base (3.2 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1996BMW328iBase (2.8 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1994BMW525iBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1994BMW325isBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 AMP
          1994BMW325iBase (2.5 L6 GAS)Notes: Valeo is the Original Equipment Manufacturer, 80 AMP, Valeo is the Original Equipment Manufacturer, 80 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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