Alternator4L903027

Audi OE number, as listed in aftermarket supplier catalogues. Compare listings for this exact number, then confirm the part number and vehicle fitment before ordering.

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What each marketplace’s search lists for this number, lowest price first, Ovoko last. Listings can include other parts that name it.

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Used

Checked 2026-10-26 21:20 UTC

€81.00Cheapest listing: + €21.53 shipping to Germanyestimated delivery in 3–7 daysView on Ovoko

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Aftermarket part numbers

Supplier articles whose catalogue lists 4L903027. Check the supplier’s own restrictions before ordering. A fitment condition under a part number is one its supplier names for at least one of the vehicles the part is listed for, not for all of them: a vehicle’s page shows which apply to it.

VALEO: 439986Voltage: 14 V Alternator Charging Current: 150 A Fastening Type: Four-point attachment Position/Degree: R 90 ° Rotation Direction: Clockwise rotation Pulleys: with freewheel belt pulley Number of ribs: 6 Belt Pulley Ø: 51 mm Clamp: B+(M8) Weight: 6.835 kg
+7 moreShow fewer
Fitment conditions:Manufacturer Restriction: VALEO Engine Code: CZHA, DESA, DETA, DETB, DEUA, DEUB, DEUC, DFVA440770Voltage: 14 V Alternator Charging Current: 150 A Fastening Type: Four-point attachment Position/Degree: R 90 ° Rotation Direction: Clockwise rotation Pulleys: with freewheel belt pulley Number of ribs: 6 Belt Pulley Ø: 51 mm Clamp: B+ Distance of mounting bores: 61 mm Weight: 6.852 kg
+8 moreShow fewer
Fitment conditions:Manufacturer Restriction: VALEO Engine Code: CZHA, DESA, DETA, DETB, DEUA, DEUB, DEUC, DFVA

Vehicle fitment

Engine code and production dates decide fitment. Model name and year alone don’t.

53 vehicles in 14 model series, inferred

Aftermarket parts that list 4L903027 fit these vehicles according to their supplier catalogues. That does not prove 4L903027 itself fits every one: check the engine code, production dates and the supplier’s restrictions on the model series’ vehicle pages.

Audi

14 model series · 53 vehicles

Audi model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
A4 (8W) 2015–7 vehicles	05/2015 –	CZHA, DESA, DETA, DEUA, DEUB, DEUC, DFVA	0588 / BFL, BFM, BGB, BIF
A4 (8W) Allroad quattro5 vehicles	01/2016 –	DESA, DETA, DETB, DEUA, DEUB, DFVA	0588 / BGW, BHA, BLA, BLB
A4 (8W) Avant7 vehicles	08/2015 – 10/2020	CZHA, DESA, DETA, DEUA, DEUB, DEUC, DFVA	0588 / BFU, BFV, BGM, BHO, BIL
A4 (8W) Avant quattro4 vehicles	10/2015 – 09/2020	DESA, DETA, DETB, DEUA, DFVA	0588 / BFW, BIS, BIT
A4 (8W) quattro4 vehicles	09/2015 – 09/2020	DESA, DETA, DETB, DEUA, DFVA	0588 / BFN, BIQ, BIR
A5 (F5) Cabrio3 vehicles	11/2016 –	DETA, DEUA	0588 / BKR, BLT
A5 (F5) Cabrio quattro2 vehicles	03/2017 –	DETA	0588 / BKS
A5 (F5) Coupe4 vehicles	06/2016 –	CZHA, DESA, DETA, DEUA	0588 / BIX, BLR
A5 (F5) Coupe quattro2 vehicles	08/2016 –	DESA, DETA	0588 / BIY
A5 (F5) Sportback5 vehicles	09/2016 –	CZHA, DESA, DETA, DEUA, DEUB	0588 / BJN, BLS, BMJ
A5 (F5) Sportback quattro3 vehicles	08/2016 –	CZHA, DESA, DETA, DEUA	0588 / AZQ, BJO, BLU
Q5 (FY) 2017–2 vehicles	01/2017 – 11/2020	DEUA, DEUB	0588 / BJZ, BLO, BUH
Q5 (FY) quattro4 vehicles	06/2016 –	DESA, DETA, DETB	0588 / BKA, BKG, BKO, BKP, BRV, BRW, BRX, BRY
Q5 (FY) Sportback quattro1 vehicle	08/2020 – 11/2021	DESA, DETA	Not listed