Alternator37903025K

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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Checked 2026-10-28 18:34 UTC

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Aftermarket part numbers

Supplier articles whose catalogue lists 37903025K. 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.

The NewLine: RE73681NVoltage: 12 V Manufacturer Restriction: Bosch Alternator Charging Current: 90 A Belt Pulley Ø: 56 mm Pulleys: with multi-belt pulley Number of ribs: 6 Plug Type ID: L DFM
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Fitment conditions:usable for vehicles with alternator charging current [A]: 70, 90 Engine Code: AUA, AUB, BBY, BCA Vehicle Identification Number (VIN) to: 6L-2-012769, 6Y-2-389395, 8Z-1070000 Construction Year to: 06.2001, 09.2001 Construction Year from: 02.2004 Supplementary Article/Supplementary Info 2: with tensioner element
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VALEO: 437402Voltage: 14 V Alternator Charging Current: 90 A Fastening Type: 3-point attachment Position/Degree: R 75/88 ° Rotation Direction: Clockwise rotation Pulleys: with V-ribbed belt pulley Number of ribs: 6 Belt Pulley Ø: 56 mm Clamp: B+ / L / Dfm Distance of mounting bores: 60 mm Weight: 5.46 kg
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Fitment conditions:Manufacturer Restriction: VALEO Vehicle Equipment: for vehicles with air conditioning, for vehicles without air conditioning, for vehicles without power steering Engine Code: AKK, AKP, ALD, ANV, ANW, AUA, AUB, AUC, AUD, BBY, BBZ, BKY, BXW, CGGB, CMAA Construction Year from: 01.2000, 07.2000, 07.2001 Construction Year to: 07.2004 Vehicle Identification Number (VIN) to: 6Y_44181097 alternative OE number: 036903018AX Vehicle Identification Number (VIN) from: 8Z_2_000001
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439443Voltage: 14 V Alternator Charging Current: 90 A Fastening Type: 3-point attachment Position/Degree: R 75-88 ° Rotation Direction: Clockwise rotation Pulleys: with V-ribbed belt pulley Number of ribs: 6 Belt Pulley Ø: 56 mm Clamp: B+, L, Dfm Weight: 5.48 kg
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Fitment conditions:Manufacturer Restriction: VALEO Vehicle Equipment: for vehicles with air conditioning, for vehicles without air conditioning, for vehicles without power steering Engine Code: AKK, AKP, ALD, ANV, ANW, AUA, AUB, AUC, AUD, BBY, BBZ, BKY, BXW, CGGB, CMAA Construction Year from: 01.2000, 07.2000, 07.2001 Construction Year to: 07.2004 Vehicle Identification Number (VIN) to: 6Y_44181097 alternative OE number: 036903018AX Vehicle Identification Number (VIN) from: 8Z_2_000001
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VEMO: V10-13-50105New part without deposit: Yes Belt Pulley Ø: 59 mm New Part: Yes Connector / Clamp: without connection for speed sensor Supplementary Article/Supplementary Info: with integrated regulator Number of ribs: 6 Alternator Charge Current: 90 A Voltage: 14 V Pulleys: with belt pulley Rotation Direction: Clockwise rotation Fastening Type: 3-point attachment Position / Degree: R 75-88
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Vehicle fitment

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

49 vehicles in 22 model series, inferred

Aftermarket parts that list 37903025K fit these vehicles according to their supplier catalogues. That does not prove 37903025K 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 · 1 vehicle

Audi model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
A2 (8Z)1 vehicle	05/2000 – 08/2005	AUA, BBY	0588 / 734

SEAT

5 model series · 12 vehicles

SEAT model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
Arosa (6H)2 vehicles1 of them: some versions only	02/1997 – 06/2004	AER, AEX, AHT, AKK, AKV, ALD, ALL, ANV, ANW, APQ, AUC, AUD	7593 / 392, 393, 494, 495
Cordoba (6L)3 vehicles	09/2002 – 11/2009	BBY, BBZ, BKY, BXW	7593 / 015, 018, ACK, ACL, ACX
Ibiza III (6L)4 vehicles	09/2001 – 11/2009	AUB, BAH, BBY, BBZ, BKY, BXW	7593 / 005, 010, ABY, ABZ, ACV
Ibiza IV (6J)2 vehicles2 of them: some versions only	03/2008 – 05/2015	BXW, CGGB	7593 / ADM
Ibiza IV (6J) Sportcoupe1 vehicle1 of them: some versions only	07/2008 – 05/2015	BXW, CGGB	7593 / ADM

Škoda

11 model series · 23 vehicles

Škoda model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
Fabia I 1999–20083 vehicles	12/1999 – 12/2007	AUA, AUB, BBY, BBZ, BKY, BUD	8004 / 340, 341, 371, 374, ABX, ADB, ADG, ADJ, AEV
Fabia I Combi3 vehicles	12/1999 – 12/2007	AUA, AUB, BBY, BBZ, BKY, BUD	8004 / 363, 364, ACH, ACR, ADH, ADI, AET, AFC
Fabia II 2006–20143 vehicles	01/2007 – 11/2014	BXW, CGGB	8004 / AFK
Fabia II Combi3 vehicles	01/2007 – 11/2014	BXW, CGGB	8004 / AFZ
Fabia II Scout1 vehicle	03/2010 – 11/2014	BXW, CGGB	8004 / AFK
Fabia II Scout Combi1 vehicle	03/2010 – 11/2014	BXW, CGGB	8004 / AFZ
Octavia I 1996–20101 vehicle	08/2000 – 12/2010	AXP, BCA	8004 / 351, ABP
Octavia I Combi1 vehicle	08/2000 – 12/2010	AXP, BCA	8004 / 352, AAU, ABG
Roomster3 vehicles	05/2006 – 05/2015	BXW, CGGB	8004 / AEX, AHQ, ALA
Roomster Praktik2 vehicles	06/2007 – 05/2015	BXW, CGGB	8004 / AFR, ALA
Roomster Scout2 vehicles	03/2010 – 05/2015	BXW, CGGB	8004 / AEX, AHQ, ALA

Volkswagen

5 model series · 13 vehicles

Volkswagen model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
Lupo (6X)2 vehicles1 of them: some versions only	10/1998 – 07/2005	AER, AHT, ALD, ALL, ANV, AUC, AUD	0603 / 450, 590
Polo 3 (6N)3 vehicles3 of them: some versions only	07/1995 – 10/2001	AER, AEX, AKK, AKP, AKV, ALD, ALL, ANX, APQ, AUC, AUD	0600 / 276, 299, 300 0603 / 532, 533, 534
Polo 4 (9A)2 vehicles	09/2002 – 04/2012	AUA, BBY, BBZ, BKY	0603 / 657, 727, 728, AAX
Polo 4 (9N)4 vehicles	11/2001 – 04/2010	AUA, AUB, BBY, BBZ, BKY, BUD	0603 / 654, 657, 727, 728, AAW, AAX, AKC
Polo 5 (6R)2 vehicles	03/2009 – 05/2014	CDDA, CGGB, CLPA, CMAA	0603 / APO, ARB, AXO

Alternator37903025K

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