Alternator021 903 020 DX

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

Lowest price

€15.00

plus €14.74 shipping to Germany, on Ovoko

Compare 92 listings

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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.

AUTODOC

2 listings

New

Checked 2026-05-15 13:53 UTCAftermarket parts whose suppliers list this OE number, not the original part.

€117.87 – €145.98Cheapest listing: RIDEX 4G0149+ €6.95 shipping to GermanyView on AUTODOC

OvokoLowest price

90 listings

Used

Checked 2026-10-24 12:41 UTC

€15.00 – €60.00Cheapest listing: + €14.74 shipping to Germanyestimated delivery in 5–9 daysView on Ovoko

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Aftermarket part numbers

Supplier articles whose catalogue lists 021 903 020 DX. 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.

BOSCH: 1986A02945Length (unpacked): 170 mm Direction of rotation: Clockwise direction of rotation Rated voltage: 14 V Rated current: 55 A Width of single swivel arm: 56 mm Swivel arm hole: 10,5 Pulley diameter: 70 mm Number of grooves: 1 Pulley distance: 77,5 mm Supporting arm hole: 10 Position of supporting arm hole: left Angle supporting arm hole: 60 Fastening type: Single swivel arm Vacuum pump: excl. vacuum pump Belt pulley: With poly-V-belt pulley Plug drawing identifier: 22
+13 moreShow fewer
HELLA: 8EL 011 711-681Alternator Charging Current: 55 A Pulleys: with belt pulley Number of grooves: 1 Belt Pulley Ø: 69 mm Voltage: 12 V
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Fitment conditions:Construction Year to: 04.1984, 12.1984, 08.1985 Engine Code: 021 A 1000, 021A1000, 021 A 2000, 124 B6.000 Construction Year from: 01.1984, 05.1984, 05.1985 Block Separation
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MAGNETI MARELLI: 063733140010Diameter: 70 mm Alternator Type: excl. vacuum pump Voltage: 14 V Alternator Charging Current: 55 A Pulleys: with belt pulley Belt Pulley Ø: 73 mm Plug Type ID: PL22
+4 moreShow fewer
Fitment conditions:Engine Code: 021 A 1000, 021 A 2000, 124 B6.000, 124 B7.000

Vehicle fitment

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

9 vehicles in 4 model series, inferred

Aftermarket parts that list 021 903 020 DX fit these vehicles according to their supplier catalogues. That does not prove 021 903 020 DX itself fits every one: check the engine code, production dates and the supplier’s restrictions on the model series’ vehicle pages.

SEAT

4 model series · 9 vehicles

SEAT model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
Ibiza I (02)2 vehicles	11/1984 – 12/1993	021A1000, 021A2000	7593 / 317, 318
Malaga (02)2 vehicles	05/1985 – 12/1993	021A1000, 021A2000	7593 / 320, 321
Malaga (23)1 vehicle	11/1984 – 12/1993	1200	Not listed
Ronda (02)4 vehicles	06/1982 – 11/1988	021A1000, 021A2000, 124B6000, 124B7000	7593 / 306, 307, 313, 314