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          Gates 37103P - Alternator Decoupler Pulley

          MPN: 37103P
          Gates 37103P Alternator Decoupler Pulley boosts your Audi's electrical efficiency by reducing noise and vibrations. Easy to install and built to last.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $174.95
          Out of stock

          Product Overview

          The Gates Alternator Decoupler Pulley part number 37103P is engineered to meet the highest quality standards, providing Audi owners with a reliable and high-performance solution for their vehicles. Designed with premium-grade construction, this decoupler pulley ensures durability, longevity, and maximum efficiency. Experience a quieter and smoother ride with reduced noise and vibration, allowing for a more pleasant driving experience. This part not only enhances performance but also minimizes wear and tear on your Audi's alternator, significantly extending its lifespan. Installation is straightforward, making it an excellent choice for those looking to replace a worn-out pulley without hassle. Choose Gates 37103P for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Gates 37103P is equivalent to or replaces the following part numbers: ACDelco:37103P, Carquest:37103P, Dayco:892009, Goodyear:49934, Lester:11466, Litens:920851A, NAPA Belts/Hose:37103P, Tendeco:920851, Volkswagen:06H903119, Volkswagen:06H903119B.

          Vehicle Compatibility

          • Audi A4 2.0 L4 GAS (2013–2017)
          • Audi A4 Quattro 2.0 L4 GAS/FLEX (2013–2017)
          • Audi A5 Quattro 2.0 L4 GAS/FLEX (2013–2017)
          • Audi allroad 2.0 L4 FLEX (2013–2017)
          • Audi A6 2.0 L4 GAS (2013)
          • Audi A5 2.0 L4 GAS (2010–2014)
          • Audi Q5 2.0 L4 GAS (2011–2012)
          • Audi S5 4.2 V8 GAS (2011)
          • Audi A5 Cabriolet 2.0 L4 GAS (2010–2014)
          • Audi A4 Quattro Avant 2.0 L4 GAS (2010–2011)

          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 Gates 37103P Alternator Decoupler Pulley do?

          The Gates Alternator Decoupler Pulley regulates the alternator's function, allowing it to operate smoothly and efficiently. By minimizing vibrations and noise, it enhances the overall performance of your vehicle's electrical system.

          How do I know if my Alternator Decoupler Pulley needs replacement?

          Common symptoms of a failing alternator decoupler pulley include unusual noises coming from the engine bay, decreased electrical performance, and the illumination of warning lights on the dashboard. If you notice any of these signs, consider replacing the pulley to maintain optimal vehicle performance.

          Can I install the Gates 37103P myself?

          Yes, the Gates 37103P can be installed as a DIY project. However, ensure you have the proper tools and follow safety precautions when working on your vehicle.

          What are the symptoms of a faulty Alternator Decoupler Pulley?

          Symptoms of a failing alternator decoupler pulley include strange noises from the engine, erratic electrical performance, and potential battery issues. It is essential to address these symptoms promptly to avoid further damage.

          Why should I choose Gates for my Alternator Decoupler Pulley needs?

          Gates is a trusted brand known for high-quality automotive parts. Order Gates 37103P 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
              291394
            • Weight
              1.17 lbs
            • Dimensions (L x W x H)
              3.125 x 3.125 x 2.9375 in
            • Barcode
              00770075461234
            • Manufacturer Part #
              37103P
          • Brand
            Gates
          • Manufacturer
            Gates
          • MPN
            37103P
          • Part Type
            Alternator Decoupler Pulley
          • OE Part Numbers
            06H903119, 06H903119B
          • Cross Reference Numbers
            892009, 37103P, 920851, 11466, 49934, 920851A
          • Features
            Bore Diameter : 17
            Contact Surface : V-Ribbed Grooved
            Contents : Pulley, Dust Cap
            Description : Alternator Decoupler Pulley
            Flanged : Yes
            Grade Type : OE Exact
            Groove Quantity : 6
            Material : Steel
            Outside Diameter : 55
            Width : 40.5
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2017AudiA5 QuattroSport (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2016AudiA4Premium (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2016AudiA4Premium Plus (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2016AudiA4 QuattroPremium (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2016AudiA4 QuattroPremium Plus (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2016AudiA5 QuattroPremium (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2016AudiA5 QuattroPremium Plus (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2016AudiallroadPremium (2.0 L4 FLEX)Notes: W/150A. Alt.; Available Until Stock Depleted
          2016AudiallroadPremium Plus (2.0 L4 FLEX)Notes: W/150A. Alt.; Available Until Stock Depleted
          2015AudiA4Premium (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2015AudiA4Premium Plus (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2015AudiA4Prestige (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2015AudiA4 QuattroPremium (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2015AudiA4 QuattroPremium Plus (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2015AudiA4 QuattroPrestige (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2015AudiA5 QuattroPremium (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2015AudiA5 QuattroPremium Plus (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2015AudiA5 QuattroPrestige (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2015AudiallroadPremium (2.0 L4 FLEX)Notes: W/150A. Alt.; Available Until Stock Depleted
          2015AudiallroadPremium Plus (2.0 L4 FLEX)Notes: W/150A. Alt.; Available Until Stock Depleted
          2015AudiallroadPrestige (2.0 L4 FLEX)Notes: W/150A. Alt.; Available Until Stock Depleted
          2014AudiA4Base (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2014AudiA4 QuattroBase (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2014AudiA5Cabriolet (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2014AudiA5 QuattroBase (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2014AudiA5 QuattroCabriolet (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2014AudiallroadPremium (2.0 L4 FLEX)Notes: W/150A. Alt.; Available Until Stock Depleted
          2014AudiallroadPremium Plus (2.0 L4 FLEX)Notes: W/150A. Alt.; Available Until Stock Depleted
          2014AudiallroadPrestige (2.0 L4 FLEX)Notes: W/150A. Alt.; Available Until Stock Depleted
          2013AudiA4Base (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2013AudiA4 QuattroBase (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2013AudiA5Cabriolet (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2013AudiA5 QuattroBase (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2013AudiA5 QuattroCabriolet (2.0 L4 GAS)Notes: W/150A. Alt.; Available Until Stock Depleted
          2013AudiA6Premium (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2013AudiA6Premium Plus (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2013AudiA6 QuattroPremium (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2013AudiA6 QuattroPremium Plus (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2013AudiallroadPremium (2.0 L4 FLEX)Notes: W/150A. Alt.; Available Until Stock Depleted
          2013AudiallroadPremium Plus (2.0 L4 FLEX)Notes: W/150A. Alt.; Available Until Stock Depleted
          2013AudiallroadPrestige (2.0 L4 FLEX)Notes: W/150A. Alt.; Available Until Stock Depleted
          2012AudiA4Base (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2012AudiA4 QuattroAvant (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2012AudiA4 QuattroBase (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2012AudiA5Cabriolet (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2012AudiA5 QuattroBase (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2012AudiA5 QuattroCabriolet (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2012AudiA6Premium (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2012AudiA6Premium Plus (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2012AudiQ5Premium (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2012AudiQ5Premium Plus (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2011AudiA4Base (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2011AudiA4 QuattroAvant (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2011AudiA4 QuattroBase (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2011AudiA5Cabriolet (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2011AudiA5 QuattroBase (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2011AudiA5 QuattroCabriolet (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2011AudiQ5Premium (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2011AudiQ5Premium Plus (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2011AudiS5Base (4.2 V8 GAS)Notes: Available Until Stock Depleted
          2010AudiA4Base (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2010AudiA4 QuattroAvant (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2010AudiA4 QuattroBase (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2010AudiA5Cabriolet (2.0 L4 GAS)Notes: Installation Tool Required; Available Until Stock Depleted
          2010AudiA5 QuattroBase (2.0 L4 GAS)Notes: Installation Tool Required; Available Until Stock Depleted
          2010AudiA5 QuattroCabriolet (2.0 L4 GAS)Notes: Installation Tool Required; Available Until Stock Depleted
          2010AudiA5 QuattroBase (3.2 V6 GAS)Notes: Available Until Stock Depleted
          2010AudiS4Base (3.0 V6 GAS)Notes: Available Until Stock Depleted
          2010AudiS5Base (4.2 V8 GAS)Notes: Available Until Stock Depleted
          2009AudiA4Base (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2009AudiA4Cabriolet (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2009AudiA4 QuattroAvant (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2009AudiA4 QuattroBase (2.0 L4 GAS)Notes: Available Until Stock Depleted
          2009AudiA4 QuattroCabriolet (2.0 L4 GAS)Notes: Available Until Stock Depleted
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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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