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          Bosch AL0891N - Alternator

          MPN: AL0891N
          The Bosch AL0891N Alternator delivers reliable power for your Audi or Volkswagen, ensuring efficient battery charging and electrical system performance. Engineered to meet OEM standards for lasting reliability.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $416.95
          In stock

          Product Overview

          The Bosch Alternator AL0891N is designed to deliver reliable power for your Audi and Volkswagen vehicles, replacing older generators with efficiency and precision. This alternator meets OE specifications, ensuring optimal performance and fitment accuracy. With a robust 140A output, it efficiently converts AC power to DC for your car's electrical system. Trust in Bosch's reputation for quality and dependability to keep your vehicle running smoothly. Choose Bosch AL0891N for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Bosch AL0891N is equivalent to or replaces the following part numbers: 06H903016L

          Vehicle Compatibility

          • Audi Q5 2.0 L4 (2010–2012)
          • Audi A4 2.0 L4 (2009–2012)
          • Audi A4 Quattro 2.0 L4 (2009–2012)
          • Audi A5 2.0 L4 (2010–2012)
          • Audi A5 Quattro 2.0 L4 (2010–2012)
          • Audi S4 3.0 V6 (2010)
          • Audi A4 Cabriolet 2.0 L4 (2009)

          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 AL0891N Alternator do?

          The Bosch AL0891N Alternator is a critical component that generates electrical power to recharge the battery and supply electricity to the vehicle's systems while the engine runs.

          How do I know if my Alternator needs replacement?

          Key signs of a failing alternator include dimming headlights, dashboard warning lights, and difficulty starting the vehicle. If you notice these symptoms, it may indicate a need for replacement of the Bosch AL0891N.

          Can I install the Bosch AL0891N myself?

          Yes, the Bosch AL0891N can be installed as a DIY project, but it is important to follow safety precautions and have the proper tools. If unsure, consulting a professional is recommended.

          What are the symptoms of a faulty Alternator?

          Common symptoms of a faulty alternator include dimming lights, engine stalling, and the presence of dashboard warning lights. If you notice these issues, it may indicate a failing Bosch AL0891N Alternator.

          Why should I choose Bosch for my Alternator needs?

          Choosing Bosch ensures you receive a factory-correct replacement that restores safety and performance. Order Bosch AL0891N today for a reliable and efficient solution to your vehicle's electrical needs.

          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
              240637
            • Weight
              17.659 lbs
            • Dimensions (L x W x H)
              9.4094 x 7.874 x 7.874 in
            • Barcode
              00077212152551
            • Manufacturer Part #
              AL0891N
          • Brand
            Bosch
          • Manufacturer
            Bosch
          • MPN
            AL0891N
          • Part Type
            Alternator
          • OE Part Numbers
            06H903016L
          • Features
            Alternator Finish : Aluminum
            Alternator/Generator Rotation : Clockwise
            Amperage Rating : 140
            Brushless : No
            Case Material : Aluminum
            Fan Type : Internal
            New Or Remanufactured : New
            Outside Pulley Diameter : 56
            Plug Clock Rear View Main Mounting Ear at 6 O Clock : 3
            Product Length : 7.677165 in
            Prop 65 Warning Label Required? : No
            Pulley Groove Quantity : 6
            Pulley Included : Yes
            Pulley Type / Belt Type (Alternator) : 6S-CP
            Regulator Type : Internal
            Voltage : 14
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2009AudiA4Base (2.0 L4 GAS)Engine: CAEB, Notes: To 140 Amp Alternator
          2009AudiA4Cabriolet (2.0 L4 GAS)Engine: CAEB, Notes: To 140 Amp Alternator
          2009AudiA4 QuattroAvant (2.0 L4 GAS)Engine: CAEB, Notes: To 140 Amp Alternator
          2009AudiA4 QuattroBase (2.0 L4 GAS)Engine: CAEB, Notes: To 140 Amp Alternator
          2009AudiA4 QuattroCabriolet (2.0 L4 GAS)Engine: CAEB, Notes: To 140 Amp Alternator
          2010AudiA4Base (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2010AudiA4 QuattroAvant (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2010AudiA4 QuattroBase (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2010AudiA5 QuattroBase (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2010AudiA5 QuattroCabriolet (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2010AudiS4Base (3.0 V6 GAS)Notes: To 140 Amp Alternator
          2010AudiA5Cabriolet (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2011AudiA4 QuattroAvant (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2011AudiA4 QuattroBase (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2011AudiA5Cabriolet (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2011AudiA5 QuattroBase (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2011AudiA5 QuattroCabriolet (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2011AudiQ5Premium (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2011AudiQ5Premium Plus (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2011AudiA4Base (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2012AudiQ5Premium (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2012AudiQ5Premium Plus (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2012AudiA4Base (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2012AudiA4 QuattroAvant (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2012AudiA4 QuattroBase (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2012AudiA5Cabriolet (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2012AudiA5 QuattroBase (2.0 L4 GAS)Notes: To 140 Amp Alternator
          2012AudiA5 QuattroCabriolet (2.0 L4 GAS)Notes: To 140 Amp Alternator
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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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