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Number 1 marks the part’s position in the exploded view (Audi Q8 (2018-2025)).
Product overview
Genuine OEM Audi Starter-Alternator (Water-Cooled), part number 4N1903028. Fits Audi A6 (2018-2025), Audi A7 Sportback (2018-2025), Audi Q8 (2018-2025), Audi A8 (2017-2025), Audi Q7 (2015-2025). Shown as position 1 in the electrics diagram 745903000. Equipment code: 0K4.
Catalogue entry: Alternator.
Fitted with: 4N0903028G Alternator, 4N0903028J Alternator, 4N0903028N Alternator, 4N0903028P Alternator, 4N0903028PX Alternator, 4N1903028X Alternator, 4N0903028R Alternator, 4N0903028RX Alternator, 4N0903028S Alternator, 4N0903028SX Alternator, 4N0903028F Alternator, 4N0903028H Alternator.
Technical details
- Category
- Electrical & Wiring
- Diagram sheet
- Audi 745903000, position 1
- ETKA group
- 9 / 03 (903)
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- 0K4
- T9I
PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.
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Parts diagram & fitment
7 vehiclesStarter-alternator (water-cooled) — locate 4N1903028 Audi Starter-Alternator (Water-Cooled) in the official exploded view and explore the surrounding assembly.
Parts in this assembly2
Vehicle fitment table7
Europe (5)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Audi Q8 Quattro 3,0 | 2018- | 1 | 1 | 9G8 |
| audi a6 2.0 | 2018- | 1 | 1 | 0K4 |
| Audi A7 Sportback | 2018- | 1 | 1 | 0K4 |
| Audi A8L | 2017-2022 | 1 | 1 | 9G8 |
| Audi Q7 qu. 3.0 TDI | 2015-2019 | 1 | 1 | 9G8 |
Other markets (2)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Audi A7 | 2021- | 1 | 1 | 1VH |
| Audi A6 L 2.0 | 2018- | 1 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
4N1903028 Audi Starter-Alternator (Water-Cooled) is fitted on: Audi Q8 Quattro 3,0 2018-; audi a6 2.0 2018-; Audi A7 Sportback 2018-; Audi A8L 2017-2022; Audi Q7 qu. 3.0 TDI 2015-2019; Audi A7 2021-; Audi A6 L 2.0 2018-.
