Audi 48V Water-Cooled Belt Starter-Generator / Alternator (HYBRID) 4N1903028

OEM Part #: 4N1-903-028 (4N1903028)

$499.99
Used
Donor Vehicle2020 Audi Q8 · 3.0L
SKU: 722310 · 30-Day Returns
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48V Water-Cooled Belt Starter-Generator / Alternator (HYBRID) 4N1903028 — Used (SKU 722310)
Genuine OEM Used SKU: 722310 Donor Vehicle: 2020 Audi Q8 · 3.0L 4 photos
$499.99
30-Day Returns
  • Genuine OEM — real photos
  • 30-day returns on eligible parts
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Specifications

Specifications for 48V Water-Cooled Belt Starter-Generator / Alternator (HYBRID) 4N1903028
Fits Vehicle ModelA6, A6 allroad, A7, A8, Q7, Q8, RS Q8, RS6, RS7, S8
Fits Vehicle MakeAudi
OEM Part No4N1-903-028 (4N1903028)
Compatible OEM Part No 4N0-903-028-N, 4N0-903-028-P, 4N0-903-028-PX, 4N0-903-028-G, 4N0-903-028-J, 4N1-903-028-B, 4N1-903-028-BX
CategoryBattery / Charging / Starting

Compatible Vehicles

Fits 60 vehicle configurations across 1 make, 2019-2026.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Audi

  • A6 2019-2025 · 7 variants 7 with notes
  • A6 allroad 2020-2025 · 6 variants 6 with notes
  • A7 2019-2024 · 8 variants 8 with notes
  • A8 2019-2025 · 10 variants 10 with notes
  • Q7 2020-2024 · 4 variants 4 with notes
  • Q8 2019-2024 · 7 variants 7 with notes
  • RS Q8 2023-2026 · 4 variants 4 with notes
  • RS6 2024-2026 · 4 variants 4 with notes
  • RS7 2024-2026 · 3 variants 3 with notes
  • S8 2020-2026 · 7 variants 7 with notes
View all 60 vehicle configurations — 60 with fitment notes
Full vehicle fitment list for 48V Water-Cooled Belt Starter-Generator / Alternator (HYBRID) 4N1903028
Year Make Model Trim Engine Note
2020 Audi Q8 SUV 3.0L V6 Turbo Generator, Starter
2021 Audi Q8 SUV 3.0L V6 Turbo Generator, Starter
2019 Audi A6 Quattro Sedan 3.0L V6 Turbo Generator, Starter
2019 Audi A7 Hatchback 3.0L V6 Turbo Generator, Starter
2020 Audi A6 Quattro Sedan 3.0L V6 Turbo Generator, Starter
2020 Audi A8 Quattro L Sedan 3.0L V6 Turbo Generator, Starter
2020 Audi A8 Quattro L Sedan 4.0L V8 Turbo Generator, Starter
2023 Audi A7 Hatchback 3.0L V6 Turbo Generator, Reman., Starter
2020 Audi A7 Hatchback 3.0L V6 Turbo Generator, Starter
2020 Audi S8 Sedan 4.0L V8 Turbo Generator, Starter
2020 Audi A6 allroad Wagon 3.0L V6 Turbo Generator, Starter
2022 Audi A6 allroad Wagon 3.0L V6 Turbo Generator, new, Starter
2022 Audi Q8 SUV 3.0L V6 Turbo Generator, new, Starter
2021 Audi A8 Quattro L Sedan 4.0L V8 Turbo Generator, Starter
2021 Audi A8 Quattro L Sedan 3.0L V6 Turbo Generator, Starter
2021 Audi S8 Sedan 4.0L V8 Turbo Generator, Starter
2019 Audi Q8 SUV 3.0L V6 Turbo Generator, Starter
2019 Audi A8 Quattro L Sedan 3.0L V6 Turbo Generator, Starter
2019 Audi A8 Quattro L Sedan 4.0L V8 Turbo Generator, Starter
2021 Audi A6 Quattro Sedan 3.0L V6 Turbo Generator, Starter
2021 Audi A7 Hatchback 3.0L V6 Turbo Generator, Starter
2021 Audi A7 Hatchback 2.0L l4 Turbo Generator, Starter
2022 Audi A8 Quattro L Sedan 3.0L V6 Turbo Generator, Starter
2022 Audi S8 Sedan 4.0L V8 Turbo Generator, Starter
2020 Audi Q7 SUV 3.0L V6 Turbo Generator, Starter
2021 Audi Q7 SUV 3.0L V6 Turbo Generator, Starter
2021 Audi A6 allroad Wagon 3.0L V6 Turbo Generator, Starter
2022 Audi Q8 SUV 3.0L V6 Turbo Generator, Reman., Starter
2025 Audi S8 Sedan 4.0L V8 Turbo Generator, Starter
2026 Audi S8 Sedan 4.0L V8 Turbo Generator, Starter
2024 Audi Q8 SUV 3.0L V6 Turbo Generator, Reman., Starter
2024 Audi A8 Quattro L Sedan 3.0L V6 Turbo Generator, Reman., Starter
2023 Audi RS Q8 SUV 4.0L V8 Turbo Generator, Reman., Starter
2024 Audi RS6 Wagon Wagon 4.0L V8 Turbo Generator, Reman., Starter
2024 Audi RS7 Hatchback 4.0L V8 Turbo Generator, Reman., Starter
2024 Audi RS Q8 SUV 4.0L V8 Turbo Generator, Reman., Starter
2024 Audi S8 Sedan 4.0L V8 Turbo Generator, new, optional, Starter
2025 Audi A6 Quattro Sedan 3.0L V6 Turbo Generator, new, Starter
2025 Audi A8 Quattro L Sedan 3.0L V6 Turbo Generator, Reman., Starter
2023 Audi S8 Sedan 4.0L V8 Turbo Generator, Reman., Starter
2025 Audi A6 allroad Wagon 3.0L V6 Turbo Generator, new, Starter
2025 Audi RS7 Hatchback 4.0L V8 Turbo Generator, Reman., Starter
2025 Audi RS6 Wagon GT Wagon 4.0L V8 Turbo Generator, Reman., Starter
2025 Audi RS6 Wagon Wagon 4.0L V8 Turbo Generator, Reman., Starter
2025 Audi RS Q8 SUV 4.0L V8 Turbo Generator, Reman., Starter
2026 Audi RS7 Hatchback 4.0L V8 Turbo Generator, Starter
2026 Audi RS6 Wagon Wagon 4.0L V8 Turbo Generator, Starter
2026 Audi RS Q8 SUV 4.0L V8 Turbo Generator, Starter
2024 Audi Q7 SUV 3.0L V6 Turbo Generator, Reman., Starter
2024 Audi A7 Hatchback 3.0L V6 Turbo Generator, Reman., Starter
2024 Audi A6 allroad Wagon 3.0L V6 Turbo Generator, Reman., Starter
2022 Audi A7 Hatchback 3.0L V6 Turbo Generator, Reman., Starter
2022 Audi A7 Hatchback 2.0L l4 Turbo Generator, Reman., Starter
2022 Audi A6 Quattro Sedan 3.0L V6 Turbo Generator, Reman., Starter
2023 Audi A8 Quattro L Sedan 3.0L V6 Turbo Generator, Reman., Starter
2023 Audi A6 allroad Wagon 3.0L V6 Turbo Generator, Reman., Starter
2023 Audi A6 Quattro Sedan 3.0L V6 Turbo Generator, Reman., Starter
2023 Audi Q7 SUV 3.0L V6 Turbo Generator, Reman., Starter
2023 Audi Q8 SUV 3.0L V6 Turbo Generator, Reman., Starter
2024 Audi A6 Quattro Sedan 3.0L V6 Turbo Generator, Reman., Starter

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