My Garage
Cart

Genuine Audi A3 Alternator

Generator
  • Select Vehicle by Model
  • Select Vehicle by VIN
Select Vehicle by Model
Make
Model
Year
or
Select Vehicle by VIN
For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

13 Alternators found

  • Audi A3 Alternator - 06K-903-023-K
    Diagram for Audi A3 Alternator - 06K-903-023-K
    View related parts

    Audi A3 Alternator Part Number: 06K-903-023-K

    $475.99 MSRP: $615.36
    You Save: $139.37 (23%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Replaces: 06K-903-023-D, 06K-903-023-DX
    • Warranty: This genuine part is guaranteed by Audi's factory warranty.
    Fits the following Vehicles:
    • 2017-2020 Audi A3 | Premium, Premium Plus, Prestige, Titanium | 4 Cyl 2.0 L GAS
  • Audi A3 Alternator - 03L-903-023-L
    Diagram for Audi A3 Alternator - 03L-903-023-L
    View related parts

    Audi A3 Alternator Part Number: 03L-903-023-L

    $681.26 MSRP: $880.76
    You Save: $199.50 (23%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Warranty: This genuine part is guaranteed by Audi's factory warranty.
    Fits the following Vehicles:
    • 2015-2016 Audi A3 | TDI Premium, TDI Premium Plus, TDI Prestige | 4 Cyl 2.0 L DIESEL
  • Audi A3 Alternator - 06K-903-024-CX
    Diagram for Audi A3 Alternator - 06K-903-024-CX
    View related parts

    Audi A3 Alternator Part Number: 06K-903-024-CX

    $606.54 MSRP: $780.76
    You Save: $174.22 (23%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Replaces: 06J-903-023-AX, 06K-903-024-AX
    • Warranty: This genuine part is guaranteed by Audi's factory warranty.
    Fits the following Vehicles:
    • 2015-2016 Audi A3 | Premium, Premium Plus, Prestige | 4 Cyl 1.8 L GAS
  • Audi A3 Alternator - 06B-903-019-EX
    Diagram for Audi A3 Alternator - 06B-903-019-EX
    View related parts

    Audi A3 Alternator Part Number: 06B-903-019-EX

    $632.79 MSRP: $815.37
    You Save: $182.58 (23%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Warranty: This genuine part is guaranteed by Audi's factory warranty.
    Fits the following Vehicles:
    • 2009-2013 Audi A3 | Base, TDI | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS
  • Audi A3 Alternator - 06J-903-023-BX
    Diagram for Audi A3 Alternator - 06J-903-023-BX
    View related parts

    Audi A3 Alternator Part Number: 06J-903-023-BX

    $664.52 MSRP: $853.67
    You Save: $189.15 (23%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Replaces: 06K-903-015-X, 06J-903-023-HX
    • Warranty: This genuine part is guaranteed by Audi's factory warranty.
    Fits the following Vehicles:
    • 2015-2016 Audi A3 | Premium, Premium Plus, Prestige | 4 Cyl 1.8 L GAS
  • Audi A3 Alternator - 06F-903-023-HX
    Diagram for Audi A3 Alternator - 06F-903-023-HX
    View related parts

    Audi A3 Alternator Part Number: 06F-903-023-HX

    $651.69 MSRP: $838.44
    You Save: $186.75 (23%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Replaces: 06F-903-023-CX
    • Warranty: This genuine part is guaranteed by Audi's factory warranty.
    Fits the following Vehicles:
    • 2010-2013 Audi A3 | TDI | 4 Cyl 2.0 L DIESEL
  • Audi A3 Alternator - 06J-903-024-D
    Diagram for Audi A3 Alternator - 06J-903-024-D
    View related parts

    Audi A3 Alternator Part Number: 06J-903-024-D

    $929.39 MSRP: $1201.53
    You Save: $272.14 (23%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Replaces: 06J-903-023-H, 06J-903-023-B, 06K-903-015
    • Warranty: This genuine part is guaranteed by Audi's factory warranty.
    Fits the following Vehicles:
    • 2015-2016 Audi A3 | Premium, Premium Plus, Prestige | 4 Cyl 1.8 L GAS
  • Audi A3 Alternator - 04L-903-024-S
    Diagram for Audi A3 Alternator - 04L-903-024-S
    View related parts

    Audi A3 Alternator Part Number: 04L-903-024-S

    $475.99 MSRP: $615.37
    You Save: $139.38 (23%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Replaces: 03L-903-023-K
    • Warranty: This genuine part is guaranteed by Audi's factory warranty.
    Fits the following Vehicles:
    • 2015-2016 Audi A3 | TDI Premium, TDI Premium Plus, TDI Prestige | 4 Cyl 2.0 L DIESEL
  • Audi A3 Alternator - 06K-903-024-C
    Diagram for Audi A3 Alternator - 06K-903-024-C
    View related parts

    Audi A3 Alternator Part Number: 06K-903-024-C

    $934.14 MSRP: $1207.68
    You Save: $273.54 (23%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Replaces: 06J-903-023-A, 06J-903-023-G, 06K-903-015-A, 06K-903-024-A
    • Warranty: This genuine part is guaranteed by Audi's factory warranty.
    Fits the following Vehicles:
    • 2015-2016 Audi A3 | Premium, Premium Plus, Prestige | 4 Cyl 1.8 L GAS
  • Audi A3 Alternator - 06B-903-016-AB
    Diagram for Audi A3 Alternator - 06B-903-016-AB
    View related parts

    Audi A3 Alternator Part Number: 06B-903-016-AB

    $1002.56 MSRP: $1296.14
    You Save: $293.58 (23%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Replaces: 06J-903-023-C
    • Warranty: This genuine part is guaranteed by Audi's factory warranty.
    Fits the following Vehicles:
    • 2008-2013 Audi A3 | Base, TDI | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS
  • Audi A3 Alternator - 06F-903-023-F
    Diagram for Audi A3 Alternator - 06F-903-023-F
    View related parts

    Audi A3 Alternator Part Number: 06F-903-023-F

    $925.21 MSRP: $1196.14
    You Save: $270.93 (23%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Warranty: This genuine part is guaranteed by Audi's factory warranty.
    Fits the following Vehicles:
    • 2010-2013, 2006-2008 Audi A3 | Base, TDI | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS
  • Audi A3 Alternator - 06F-903-023-FX
    Diagram for Audi A3 Alternator - 06F-903-023-FX
    View related parts

    Audi A3 Alternator Part Number: 06F-903-023-FX

    $573.46 MSRP: $734.60
    You Save: $161.14 (22%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Replaces: 07K-903-023-AX
    • Warranty: This genuine part is guaranteed by Audi's factory warranty.
    Fits the following Vehicles:
    • 2010-2013, 2006-2008 Audi A3 | Base, TDI | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS
  • Audi A3 Alternator - 06Q-903-018
    Diagram for Audi A3 Alternator - 06Q-903-018
    View related parts

    Audi A3 Alternator Part Number: 06Q-903-018

    $1185.85 MSRP: $1533.09
    You Save: $347.24 (23%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Warranty: This genuine part is guaranteed by Audi's factory warranty.
    Fits the following Vehicles:
    • 2022-2024 Audi A3 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS

Audi A3 Alternator

The Audi A3 Alternator ensures that the miniature hatchback does not die by turning the engine's movement into constant power for the battery and all the gadgets in the car. Within its lightweight two-piece aluminum shell the Alternator contains a stator full of copper windings and a mounted rotor on a shaft, and a pulley and small fan at the front allow the crankshaft belt to rotate the rotor at a speed sufficient to produce a powerful magnetic field. In that motion Faraday's Law generates AC current, which is immediately changed to DC, enabling the lights, the infotainment screens, and the control modules in every Audi to remain alive even when the car is not in motion. To prevent dimming or overvoltage the Alternator unit varies field current on the fly, a feature managed by an internal voltage regulator on earlier Audi generations and on subsequent model years by the vehicle powertrain control module, which oversees the efficiency of the charging requirements at a finer level. All Alternators are designed to have heat-sinking rectifiers, carbon brushes, and two bearings to ensure that the shaft remains straight and to allow cool air to circulate. During the life of the A3 line there were two key styles, the traditional internally controlled and the smart PCM controlled, but they all had one thing in common, that is to transform mechanical work into stable amperage for the rest of the Audi family. This small Alternator enables Audi drivers to operate the heater, demister, and stereo without depleting the battery during the daily commute or weekend sports driving.

Choose original equipment manufacturer Alternator for great performance and strong durability. They use Audi's official craftsmanship and high-grade materials, and meet strict quality standards. Are you looking for quality Alternator at a good price? Come to our online store. We carry a wide range of genuine parts for your Audi A3 and the prices are competitive. Each part comes with the manufacturer's warranty. You can install with confidence and get steady results. Over time, you'll save money and avoid hassle. Keep your maintenance simple and protect your vehicle with OEM parts. Get the quality your A3 needs now.

Audi A3 Alternator Parts and Q&A

  • Q: How to remove and refit an alternator for Bosch and Valeo types on Audi A3?
    A:
    To remove the alternator, first take it off and place it on a clean work surface with the pulley facing down. For the Bosch type, undo the screw and two retaining nuts to lift away the outer plastic cover, then unscrew the three securing screws to remove the voltage regulator, followed by the brush holder/regulator. For the Valeo type, prize off the spring clips to remove the outer plastic cover, then undo the two screws and a single nut to take out the voltage regulator, and slide off the brush cover by depressing the lugs on each side. During inspection, measure the free length of the brush contacts and check against the specifications; if the brushes are worn below the minimum limit, the module should be renewed. Clean and inspect the surfaces of the slip-rings at the end of the alternator shaft, and if they are excessively worn or damaged, the alternator must be renewed. For refitting the Bosch type, reverse the removal procedure to refit the voltage regulator, ensuring the screws are tightened securely, and then refit the alternator. For the Valeo type, depress the carbon brushes into the housing, refit the voltage regulator, tighten the screws and nut securely, and slide on the brush cover until it engages, followed by refitting the alternator.

Related Audi A3 Parts