Bosch
Alternator (Remanufactured)

Bosch AL0170X Alternator

Brand Bosch AL0170X
Voltage 12
Plug Clock Rear View Main Mounting Ear at 6 O Clock 1
Fan Type Internal
Rotation Direction Clockwise
Pulley Included Yes
Pulley Groove Quantity 6
Case Color Aluminum
Outside Pulley Diameter 50
Regulator Type Internal
Case Material Aluminum
Amperage Rating 140
New Or Remanufactured Remanufactured
Original Equipment Manufacturer Names Bo
Pulley Type / Belt Type (Alternator) 6s-cp
Product line Alternator (Remanufactured)
Fits Audi and Volkswagen · 7 vehicles

Remanufactured unit. Built and tested for dependable charging performance.

Internal regulator. Integrated regulation helps simplify the charging system.

Aluminum case. Lightweight housing helps support durability and heat management.

Cross-references 03L903023K and 04L903024S for the same application. See all 2.

$577.27Free shipping
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Order total $577.27
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Free returns within 60 days if it doesn't fit when fitment is verified.

Bosch AL0170X Remanufactured Alternator

The Bosch AL0170X remanufactured alternator is a 12-volt charging component built for vehicles that require stable electrical output and dependable system performance. It is a direct-fit alternator for select Volkswagen Arteon, Volkswagen Atlas, and Audi A3 applications with Bosch unit fitment.

Key Features

  • Remanufactured Bosch Premium Alternator for charging-system replacement
  • 12-volt design with 140 amp amperage rating
  • Internal regulator and internal fan for integrated operation
  • Clockwise rotation with a 6-groove pulley included
  • Aluminum case and aluminum case material for OE-style construction
  • Designed for select Volkswagen and Audi applications

Product Details

Bosch Premium Alternators are remanufactured, built, and tested to deliver consistent charging performance and reliable operation. The AL0170X uses an internal regulator, clockwise rotation, and a 6S-CP pulley setup with a 50 mm outside pulley diameter. This Bosch alternator is specified for select 2015-2020 Audi A3, 2018-2020 Volkswagen Atlas, and 2019-2020 Volkswagen Arteon applications, including vehicles noted with Bosch unit fitment and 140 amp alternator requirements. Part number AL0170X is also referenced for OE-style replacement needs in these applications.

This part cross-references Bosch OE numbers 03L903023K and 04L903024S for the same application.

Vehicle Fitment

  • Fits 2019-2020 Volkswagen Arteon, N/A, with Bosch Unit.
  • Fits 2018 Volkswagen Atlas, N/A.
  • Fits 2019 Volkswagen Atlas, N/A, to 140 Amp Alternator; with Bosch Unit.
  • Fits 2020 Volkswagen Atlas, N/A.
  • Fits 2015 Audi A3, N/A, to 140 Amp Alternator; with Bosch Unit.
  • Fits 2016 Audi A3, N/A, with Bosch Unit.

What This Alternator Helps Address

  • Battery warning lights caused by weak charging output
  • Dim headlights or unstable electrical performance
  • Charging-system failure from a worn alternator
  • Voltage irregularities affecting vehicle electronics
  • Starting issues related to insufficient alternator output

Installation Notes and Tips

Verify the vehicle’s alternator specification, pulley configuration, rotation direction, and Bosch unit requirement before installation. Confirm the 140 amp rating and connector/pulley match against the removed unit to ensure proper fitment on your Volkswagen Atlas, Volkswagen Arteon, or Audi A3. Professional installation is recommended for charging-system components.

Quality Assurance

This Bosch remanufactured alternator is manufactured and tested to meet Bosch Premium Alternator standards for performance and reliability.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeDrive TypeLitersCylindersNotes
2020VolkswagenArteon2.0LL4with Bosch Unit; Alternator (Remanufactured)
2020VolkswagenAtlas3.6LV6Alternator (Remanufactured)
2019VolkswagenArteonAWD2.0LL4with Bosch Unit; Alternator (Remanufactured)
2019VolkswagenAtlas3.6LV6To 140 Amp Alternator; with Bosch Unit; Alternator (Remanufactured)
2018VolkswagenAtlas3.6LV6Alternator (Remanufactured)
2016AudiA3Sedan2.0LL4with Bosch Unit; Alternator (Remanufactured)
2015AudiA3Sedan2.0LL4To 140 Amp Alternator; with Bosch Unit; Alternator (Remanufactured)
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
03L903023K04L903024S