Alternator045 903 023 FX

Audi, SEAT, Škoda, 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.

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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 2026-10-22 13:13 UTC

€48.00 – €123.00Cheapest listing: + €20.86 shipping to Germanyestimated delivery in 4–6 daysView on Ovoko

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Aftermarket part numbers

Supplier articles whose catalogue lists 045 903 023 FX. 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: 0124515022Length (unpacked): 156 mm Direction of rotation: Clockwise direction of rotation Rated voltage: 14 V Rated current: 120 A Position of fixing hole: left Spaced double swing arm: 59 mm Swivel arm hole: 8,50 Pulley diameter: 56 mm Number of grooves: 6 Supporting arm hole: 8,50/M8 Position of supporting arm hole: left Angle supporting arm hole: 90.0 Type: Compact Fastening type: Double swivel arm Vacuum pump: excl. vacuum pump Belt pulley: with free-wheeling pulley Angle of mounting hole: 70 °
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0986042810Length (unpacked): 200 mm Direction of rotation: Clockwise direction of rotation Rated voltage: 14 V Rated current: 120 A Position of fixing hole: left Spaced double swing arm: 59 mm Swivel arm hole: 8,5 mm / M8 Pulley diameter: 56 mm Number of grooves: 6 Pulley distance: 39,5 mm Supporting arm hole: 8,5 mm / M8 Position of supporting arm hole: left Angle supporting arm hole: 90 Type: Compact Fastening type: Double swivel arm Vacuum pump: excl. vacuum pump Belt pulley: with free-wheeling pulley Plug drawing identifier: PL61 Coupling clamp: B1+(M8),DFM,L
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Fitment conditions:Check/replace drive belt on alternator replacement. 120 A Chassis number: 70..X..075 001, 8Z..1..070 000, 8Z..2..000 001, 9N-6U000 102 >> Installation period: 11/1998, 06/2001, 07/2001 for Part no. 045 903 023 A Bosch, only as replacement for Bosch equipment For vehicles with air conditioner
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1986A00839Length (unpacked): 200 mm Direction of rotation: Clockwise direction of rotation Rated voltage: 14 V Rated current: 120 A Spaced double swing arm: 61,5 mm Swivel arm hole: 8.8/M8 Pulley diameter: 55,9 mm Number of grooves: 6 Pulley distance: 39,2 mm Supporting arm hole: 8.8/M8 Position of supporting arm hole: left Angle supporting arm hole: 90 Fastening type: Double swivel arm Vacuum pump: excl. vacuum pump Belt pulley: with free-wheeling pulley Plug drawing identifier: 61 Coupling clamp: B+(M8)
+14 moreShow fewer
Fitment conditions:Check/replace drive belt on alternator replacement. 120 A Chassis number: 70..X..075 001, 8Z..1..070 000, 8Z..2..000 001, 9N-6U000 102 >> Installation period: 11/1998, 06/2001, 07/2001 for Part no. 045 903 023 A Bosch, only as replacement for Bosch equipment For vehicles with air conditioner
+4 moreShow fewer
HELLA: 8EL 012 428-271Alternator Charging Current: 120 A Pulleys: with freewheel belt pulley Belt Pulley Ø: 56 mm Number of grooves: 6 Voltage: 12 V
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Fitment conditions:Manufacturer Restriction: BOSCH Construction Year to: 05.1999, 04.2001, 06.2001, 10.2005, 06.2006, 04.2007 Construction Year from: 10.1998, 05.1999, 06.2000, 11.2001, 01.2004, 10.2006, 05.2009 Engine Code: AMF, BMS, BNM, BNV Vehicle Equipment: for vehicles with air conditioning Vehicle Identification Number (VIN) to: 8Z_1_070000
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WALKER: WAL00220Voltage: 14 V Alternator Charging Current: 120 A Number of ribs: 6 Belt Pulley Ø: 56 mm Plug Type ID: 0121 Vehicle Electrical System Design: for vehicles with 12-volt electrical system Clamp: M8 Bore Diameter 1: 8 mm Net weight: 6.9 kg
+6 moreShow fewer
Fitment conditions:Vehicle Equipment: for vehicles with air conditioning Construction Year to: 06.2001

Vehicle fitment

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

49 vehicles in 23 model series, inferred

Aftermarket parts that list 045 903 023 FX fit these vehicles according to their supplier catalogues. That does not prove 045 903 023 FX itself fits every one: check the engine code, production dates and the supplier’s restrictions on the model series’ vehicle pages.

Audi

1 model series · 2 vehicles

Audi model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
A2 (8Z)2 vehicles	06/2000 – 08/2005	AMF, ANY, BHC	0588 / 733, 735

SEAT

5 model series · 9 vehicles

SEAT model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
Arosa (6H)1 vehicle	10/1999 – 06/2004	AMF	7593 / 438, 492
Cordoba (6L)3 vehicles	12/2002 – 11/2009	AMF, BMS, BNM, BNV	7593 / 020, 515, 517, ACE, ACM, ACN
Ibiza III (6L)3 vehicles	05/2002 – 11/2009	AMF, BMS, BNM, BNV	7593 / 016, 514, 516, ABR, ACB, ACC
Ibiza IV (6J)1 vehicle	07/2008 – 06/2010	BMS	7593 / ADP
Ibiza IV (6J) Sportcoupe1 vehicle	07/2008 – 06/2010	BMS	7593 / ADP

Škoda

8 model series · 16 vehicles

Škoda model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
Fabia I 1999–20083 vehicles	04/2003 – 12/2007	AMF, BMS, BNM, BNV	8004 / 390, 392, ABR, ACA, ACB, ACW, ADE, ADF, AFI, AFJ
Fabia I Combi3 vehicles	04/2003 – 12/2007	AMF, BNM, BNV	8004 / 391, ACC, ACK, ACL, ACM, ACU, ACV
Fabia II 2006–20142 vehicles	01/2007 – 09/2010	BMS, BNM, BNV	8004 / AFI, AFJ
Fabia II Combi2 vehicles	01/2007 – 03/2010	BMS, BNM, BNV	8004 / AFX, AFY
Fabia II Scout Combi1 vehicle	05/2009 – 03/2010	BMS, BNV	8004 / AFY
Fabia I Praktik1 vehicle	10/2005 – 12/2007	BNM	8004 / AEN
Roomster2 vehicles	05/2006 – 03/2010	BMS, BNM, BNV	8004 / AEZ, AFA, AHN, AHO
Roomster Praktik2 vehicles	05/2006 – 03/2010	BMS, BNM, BNV	8004 / AFQ, AFT, AHN, AHO

Volkswagen

9 model series · 22 vehicles

Volkswagen model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
Caravelle T42 vehicles	01/1996 – 06/2003	AES, AMV	Not listed
Eurovan (7D)1 vehicle	05/1996 – 12/2002	AES	0603 / 059, 305, 313, 445
LT II (2D)5 vehicles	05/1996 – 07/2006	AGX, AHD, ANJ, AVR, BBE, BBF	0603 / 020, 024, 029, 030, 033, 036, 052, 054, 056, 058, 060, 061, 062, 063, 064, 065, 333, 351, 527, 643, 644
Lupo (6E)1 vehicle	06/1999 – 07/2005	ANY, AYZ	0603 / 505
Lupo (6X)1 vehicle	05/1999 – 07/2005	AMF	0603 / 514
Polo 3 (6N)2 vehicles	10/1999 – 10/2001	AMF, ATL	0603 / 541
Polo 4 (9A)2 vehicles	02/2002 – 12/2014	BAH, BPA, CCRA, CFZA	Not listed
Polo 4 (9N)4 vehicles	11/2001 – 04/2010	AMF, BAH, BAY, BCD, BMS, BNM, BNV, BPA, BWB	0603 / 656, 725, 792, 793, AAZ, ABE
Transporter T4 (7D)4 vehicles	01/1996 – 06/2003	AES, AMV	0603 / 006, 059, 305, 313, 329, 437, 445, 525, 577, 583