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          Bosch SR0850X - Starter (Remanufactured)

          MPN: SR0850X
          The Bosch SR0850X Starter Motor ensures dependable engine starting for select Audi models. Engineered to meet OEM standards for optimal performance.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $198.95 +$85.00 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

          The Bosch Starter Motor SR0850X is engineered to restore reliable starting performance in Audi vehicles. This premium-grade starter motor meets or exceeds OEM standards, ensuring exceptional quality, reliability, and fitment accuracy. Designed specifically for models such as the Audi RS7, A7 Quattro, and S6, the Bosch SR0850X facilitates a smooth engine start every time, making it a crucial component in your vehicle's starting system. Choose Bosch SR0850X for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Bosch SR0850X is equivalent to or replaces the following part numbers: 079911021C, 079911021D, 079911021G, 079911022.

          Vehicle Compatibility

          • Audi RS7 4.0 V8 (2016–2018)
          • Audi A7 Quattro 3.0 V6 (2016–2018)
          • Audi S7 4.0 V8 (2016–2018)
          • Audi S8 4.0 V8 (2016–2018)
          • Audi S6 4.0 V8 (2016–2018)
          • Audi A6 Quattro 3.0 V6 (2016–2018)
          • Audi A8 Quattro 3.0 V6 (2016–2018)
          • Audi Q5 3.0 V6 (2016–2018)
          • Audi SQ5 3.0 V6 (2016–2018)
          • Audi RS5 4.2 V8 (2015–2016)

          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 SR0850X Starter do?

          The starter motor is a critical component that initiates the engine's operation by turning the flywheel. When you turn the ignition key, the starter motor engages and provides the necessary torque to start the engine, allowing it to run smoothly.

          How do I know if my Starter needs replacement?

          Common signs that your starter motor may need replacement include difficulty in starting the engine, a clicking noise when turning the key, or a complete failure to start. It is advisable to check the starter motor promptly if you notice these symptoms.

          Can I install the Bosch SR0850X myself?

          Yes, you can install the Bosch SR0850X yourself if you have basic automotive knowledge and tools. However, take the necessary precautions to ensure safety and proper installation.

          What are the symptoms of a faulty Starter?

          Symptoms of a faulty starter include an engine that does not turn over, unexpected clicking sounds when attempting to start, or intermittent starting issues. If you experience these issues, it may indicate a failing starter motor.

          Why should I choose Bosch for my Starter needs?

          Choosing Bosch ensures you receive a product that automotive professionals trust for quality and performance. Order Bosch SR0850X 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
              242467
            • Weight
              7.8903 lbs
            • Dimensions (L x W x H)
              11.8898 x 4.8819 x 6.9291 in
            • Barcode
              00077212165193
            • Manufacturer Part #
              SR0850X
          • Brand
            Bosch
          • Manufacturer
            Bosch
          • MPN
            SR0850X
          • Part Type
            Starter
          • OE Part Numbers
            079911021G, 079911021C, 079911021D, 079911022
          • Features
            Mounting Bolt Hole Quantity : 2
            Mounting Hardware Included : No
            Mounting Shims Included : No
            New Or Remanufactured : Remanufactured
            Nose Cone Material : Aluminum
            Nose Cone Type : Closed Nose
            OE Recommendation : Yes
            Power Rating : 1.4
            Prop 65 Warning Label Required? : No
            Solenoid Attached : Yes
            Starter Finish : Aluminum
            Starter Rotation : Clockwise
            Voltage : 12
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2008AudiA5 QuattroBase (3.2 V6 GAS)
          2008AudiS5Base (4.2 V8 GAS)
          2009AudiA4 QuattroBase (3.2 V6 GAS)
          2009AudiA4 QuattroCabriolet (3.2 V6 GAS)
          2009AudiA5 QuattroBase (3.2 V6 GAS)
          2009AudiS5Base (4.2 V8 GAS)
          2009AudiQ5Premium (3.2 V6 GAS)
          2009AudiQ5Premium Plus (3.2 V6 GAS)
          2009AudiQ5Prestige (3.2 V6 GAS)
          2010AudiQ5Premium (3.2 V6 GAS)
          2010AudiQ5Premium Plus (3.2 V6 GAS)
          2010AudiQ5Prestige (3.2 V6 GAS)
          2010AudiA5 QuattroBase (3.2 V6 GAS)Notes: with Bosch Unit, with Valeo Unit
          2010AudiS5Base (4.2 V8 GAS)Notes: with Valeo Unit, with Bosch Unit
          2010AudiS5Cabriolet (3.0 V6 GAS)
          2011AudiQ5Premium Plus (3.2 V6 GAS)Notes: with Bosch Unit, with Valeo Unit
          2011AudiQ5Prestige (3.2 V6 GAS)Notes: with Bosch Unit, with Valeo Unit
          2011AudiQ7Premium (3.0 V6 GAS)
          2011AudiQ7Premium Plus (3.0 V6 GAS)
          2011AudiQ7Prestige (3.0 V6 GAS)
          2011AudiQ7TDI Premium (3.0 V6 DIESEL)
          2011AudiQ7TDI Premium Plus (3.0 V6 DIESEL)
          2011AudiQ7TDI Prestige (3.0 V6 DIESEL)
          2011AudiS4Base (3.0 V6 GAS)
          2011AudiS5Base (4.2 V8 GAS)
          2011AudiA8 QuattroBase (4.2 V8 GAS)
          2011AudiA8 QuattroL (4.2 V8 GAS)
          2012AudiQ5Premium Plus (3.2 V6 GAS)Notes: with Bosch Unit, with Valeo Unit
          2012AudiQ5Prestige (3.2 V6 GAS)Notes: with Bosch Unit, with Valeo Unit
          2012AudiA7 QuattroBase (3.0 V6 GAS)
          2012AudiQ7Premium (3.0 V6 GAS)
          2012AudiQ7Premium Plus (3.0 V6 GAS)
          2012AudiQ7Prestige (3.0 V6 GAS)
          2012AudiQ7TDI Premium (3.0 V6 DIESEL)
          2012AudiQ7TDI Premium Plus (3.0 V6 DIESEL)
          2012AudiQ7TDI Prestige (3.0 V6 DIESEL)
          2012AudiS4Base (3.0 V6 GAS)
          2012AudiA8 QuattroBase (4.2 V8 GAS)
          2012AudiA8 QuattroL (4.2 V8 GAS)
          2012AudiA6 QuattroPremium (3.0 V6 GAS)
          2012AudiA6 QuattroPremium Plus (3.0 V6 GAS)
          2012AudiA6 QuattroPrestige (3.0 V6 GAS)
          2012AudiS5Base (4.2 V8 GAS)
          2013AudiS8Base (4.0 V8 GAS)
          2013AudiRS5Base (4.2 V8 GAS)
          2013AudiA8 QuattroBase (4.0 V8 GAS)Notes: with Bosch Unit
          2013AudiA8 QuattroL (4.0 V8 GAS)Notes: with Bosch Unit
          2013AudiA8 QuattroBase (3.0 V6 GAS)Notes: without Start/Stop Feature
          2013AudiA8 QuattroL (3.0 V6 GAS)Notes: without Start/Stop Feature
          2013AudiS7Base (4.0 V8 GAS)Notes: without Start/Stop Feature
          2013AudiS6Base (4.0 V8 GAS)Notes: without Start/Stop Feature
          2014AudiRS5Base (4.2 V8 GAS)
          2014AudiRS5Cabriolet (4.2 V8 GAS)
          2014AudiA8 QuattroBase (3.0 V6 GAS)Notes: without Start/Stop Feature
          2014AudiA8 QuattroL (3.0 V6 GAS)Notes: without Start/Stop Feature
          2014AudiA8 QuattroL TDI (3.0 V6 DIESEL)Notes: without Start/Stop Feature
          2014AudiA8 QuattroBase (4.0 V8 GAS)Notes: with Bosch Unit
          2014AudiA8 QuattroL (4.0 V8 GAS)Notes: with Bosch Unit
          2014AudiRS7Base (4.0 V8 GAS)Notes: with Bosch Unit
          2014AudiS6Base (4.0 V8 GAS)Notes: without Start/Stop Feature
          2014AudiS7Base (4.0 V8 GAS)Notes: without Start/Stop Feature
          2014AudiS8Base (4.0 V8 GAS)Notes: without Start/Stop Feature
          2015AudiA8 QuattroBase (4.0 V8 GAS)Notes: without Start/Stop Feature
          2015AudiA8 QuattroL (4.0 V8 GAS)Notes: without Start/Stop Feature
          2015AudiA8 QuattroBase (3.0 V6 GAS)Notes: without Start/Stop Feature
          2015AudiA8 QuattroL (3.0 V6 GAS)Notes: without Start/Stop Feature
          2015AudiA8 QuattroL TDI (3.0 V6 DIESEL)Notes: without Start/Stop Feature
          2015AudiRS7Base (4.0 V8 GAS)Notes: with Bosch Unit
          2015AudiS7Base (4.0 V8 GAS)Notes: without Start/Stop Feature
          2015AudiS8Base (4.0 V8 GAS)Notes: without Start/Stop Feature
          2015AudiS6Base (4.0 V8 GAS)Notes: without Start/Stop Feature
          2015AudiRS5Base (4.2 V8 GAS)
          2015AudiRS5Cabriolet (4.2 V8 GAS)
          2016AudiRS7Base (4.0 V8 GAS)Notes: without Start/Stop Feature
          2016AudiRS7Performance (4.0 V8 GAS)Notes: without Start/Stop Feature
          2016AudiS6Premium Plus (4.0 V8 GAS)Notes: without Start/Stop Feature
          2016AudiS6Prestige (4.0 V8 GAS)Notes: without Start/Stop Feature
          2016AudiS7Base (4.0 V8 GAS)Notes: without Start/Stop Feature
          2016AudiS8Base (4.0 V8 GAS)Notes: without Start/Stop Feature
          2016AudiS8Plus (4.0 V8 GAS)Notes: without Start/Stop Feature
          2016AudiA8 QuattroL (3.0 V6 GAS)Notes: without Start/Stop Feature
          2016AudiA8 QuattroL TDI (3.0 V6 DIESEL)Notes: without Start/Stop Feature
          2016AudiA8 QuattroL (4.0 V8 GAS)Notes: without Start/Stop Feature
          2017AudiA8 QuattroL Sport (4.0 V8 GAS)Notes: without Start/Stop Feature
          2017AudiA8 QuattroL (3.0 V6 GAS)Notes: without Start/Stop Feature
          2017AudiS6Premium Plus (4.0 V8 GAS)Notes: without Start/Stop Feature
          2017AudiS6Prestige (4.0 V8 GAS)Notes: without Start/Stop Feature
          2017AudiS7Premium Plus (4.0 V8 GAS)Notes: without Start/Stop Feature
          2017AudiS7Prestige (4.0 V8 GAS)Notes: without Start/Stop Feature
          2017AudiRS7Base (4.0 V8 GAS)Notes: without Start/Stop Feature
          2017AudiRS7Performance (4.0 V8 GAS)Notes: without Start/Stop Feature
          2017AudiS8Plus (4.0 V8 GAS)Notes: without Start/Stop Feature
          2018AudiRS7Base (4.0 V8 GAS)Notes: without Start/Stop Feature
          2018AudiRS7Performance (4.0 V8 GAS)Notes: without Start/Stop Feature
          2018AudiS7Premium Plus (4.0 V8 GAS)Notes: without Start/Stop Feature
          2018AudiS7Prestige (4.0 V8 GAS)Notes: without Start/Stop Feature
          2018AudiS8Plus (4.0 V8 GAS)Notes: without Start/Stop Feature
          2018AudiS6Premium Plus (4.0 V8 GAS)Notes: without Start/Stop Feature
          2018AudiS6Prestige (4.0 V8 GAS)Notes: without Start/Stop Feature
          2018AudiA8 QuattroL Sport (4.0 V8 GAS)Notes: without Start/Stop Feature
          There are more vehicles this part is compatible with. Check if it fits your vehicle.
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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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