Alternator 21903025N
An OEM number is a unique code containing letters and digits.
Car manufacturers use them to mark every part inside their cars.
A non-original car part carrying an OEM number demonstrates that the part meets stringent car manufacturer standards and its parameters and technical specifications are identical to original equipment.
All spare parts in the list below are equivalent to OEM number 21 903 025 N:
- 21 903 025 N (original number of AUDI)
- 21 903 025 N (original number of SKODA)
- 21 903 025 N (original number of VW)
Alternator OEM 21 903 025 N: Cost and Alternatives
Price | £ 82 - 445 |
OEM Brand | AS-PL, goCORE, RIDEX REMAN, The NewLine, VALEO, VEMO |
Car maker | AUDI, SKODA, VW, VAG |
OEM 21903025N Equivalents | 21903025N, 21 903 025 N, 219 030 25N |
18 items
Alternator RIDEX 21 903 025 N12V, 90A, B+(M8),D+,W, excl. vacuum pump, Ø 50 mm
Article number: 4G0041
Reviews - 46
- Alternator Charging Current [A]: 90
- Voltage [V]: 12
- Pulleys: with belt pulley
- Rated Voltage [V]: 14
- Belt Pulley Ø [mm]: 50
- Number of grooves: 6
- Vehicle Main Current: for vehicles with 12V main current
- Rotation Direction: Clockwise rotation
- Alternator Type: excl. vacuum pump
- Fastening Type: Double Pivot Lever
- Clamp: B+(M8),D+,W
- Bore Diameter 1 [mm]: 8
- Number of mounting bores: 4
- Number of threaded holes: 2
- Thread Size: M8
- Distance from belt pulley to alternator [mm]: 40
- Item number: 4G0041
- Our price: £ 108,15
- Manufacturer: RIDEX
- EAN number: 4059191670666
- Condition: New
- Reference number OEM: 21903025N
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Alternator RIDEX 21 903 025 N14V, 90A, B+(M8)/D+/W, M8 B+, D+ W Plug 25, excl. vacuum pump, Ø 50 mm
Article number: 4G0106
Reviews - 15
- Alternator Charging Current [A]: 90
- Voltage [V]: 14
- Pulleys: with belt pulley
- Rated Voltage [V]: 14
- Belt Pulley Ø [mm]: 50
- Number of grooves: 6
- Vehicle Main Current: for vehicles with 12V main current
- Alternator Type: excl. vacuum pump
- Fastening Type: 3-point attachment
- Clamp: B+(M8) / D+ / W, M8 B+, D+ W Plug 25
- Bore Diameter 1 [mm]: 8
- Number of mounting bores: 3
- Number of threaded holes: 1
- Thread Size: M8
- Distance from belt pulley to alternator [mm]: 40
- Item number: 4G0106
- Our price: £ 130,57
- Manufacturer: RIDEX
- EAN number: 4059191675043
- Condition: New
- Reference number OEM: 21903025N
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Get a bonus of £ 0,96 when you purchase this product
You will receive £ 0,96 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
In stock
-31%
compared to
RRP £ 189,70
£ 130,57
price incl. 20% VAT
excl. delivery costs


Alternator RIDEX PLUS 21 903 025 N12V, 90A, B+(M8),D+,W, excl. vacuum pump, Ø 50 mm
Article number: 4G0041P
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- Alternator Charging Current [A]: 90
- Voltage [V]: 12
- Pulleys: with belt pulley
- Rated Voltage [V]: 14
- Belt Pulley Ø [mm]: 50
- Number of grooves: 6
- Vehicle Main Current: for vehicles with 12V main current
- Rotation Direction: Clockwise rotation
- Alternator Type: excl. vacuum pump
- Fastening Type: Double Pivot Lever
- Clamp: B+(M8),D+,W
- Bore Diameter 1 [mm]: 8
- Number of mounting bores: 4
- Number of threaded holes: 2
- Thread Size: M8
- Distance from belt pulley to alternator [mm]: 40
- Item number: 4G0041P
- Our price: £ 133,12
- Manufacturer: RIDEX PLUS
- EAN number: 4067448817634
- Condition: New
- Reference number OEM: 21903025N
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Alternator RIDEX REMAN 21 903 025 N12V, 90A, B+(M8),D+,W, excl. vacuum pump, Ø 50 mm
Article number: 4G0041R
Reviews - 1
- Alternator Charging Current [A]: 90
- Voltage [V]: 12
- Pulleys: with belt pulley
- Rated Voltage [V]: 14
- Belt Pulley Ø [mm]: 50
- Number of grooves: 6
- Vehicle Main Current: for vehicles with 12V main current
- Rotation Direction: Clockwise rotation
- Alternator Type: excl. vacuum pump
- Fastening Type: Double Pivot Lever
- Clamp: B+(M8),D+,W
- Bore Diameter 1 [mm]: 8
- Number of mounting bores: 4
- Number of threaded holes: 2
- Thread Size: M8
- Distance from belt pulley to alternator [mm]: 40
- Item number: 4G0041R
- Our price: £ 90,78
- Manufacturer: RIDEX REMAN
- EAN number: 4059191972906
- Condition: Remanufactured
- Reference number OEM: 21903025N
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Details
In stock
£ 90,78
price incl. 20% VAT
excl. delivery costs
A core charge of £ 31,20 (incl. 20% VAT) is NOT included in the price and will be refunded to the customer when the old part is returned
Alternator RIDEX REMAN 21 903 025 N14V, 90A, B+(M8)/D+/W, M8 B+, D+ W Plug 25, excl. vacuum pump, Ø 50 mm
Article number: 4G0106R
Reviews - 2
- Alternator Charging Current [A]: 90
- Voltage [V]: 14
- Pulleys: with belt pulley
- Rated Voltage [V]: 14
- Belt Pulley Ø [mm]: 50
- Number of grooves: 6
- Vehicle Main Current: for vehicles with 12V main current
- Alternator Type: excl. vacuum pump
- Fastening Type: 3-point attachment
- Clamp: B+(M8) / D+ / W, M8 B+, D+ W Plug 25
- Bore Diameter 1 [mm]: 8
- Number of mounting bores: 3
- Number of threaded holes: 1
- Thread Size: M8
- Distance from belt pulley to alternator [mm]: 40
- Item number: 4G0106R
- Our price: £ 107,53
- Manufacturer: RIDEX REMAN
- EAN number: 4059191972913
- Condition: Remanufactured
- Reference number OEM: 21903025N
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Details
In stock (Item(s) left: 2)
£ 107,53
price incl. 20% VAT
excl. delivery costs
A core charge of £ 31,20 (incl. 20% VAT) is NOT included in the price and will be refunded to the customer when the old part is returned
Alternator STARK 21 903 025 N12V, 90A, B+(M8),D+,W, excl. vacuum pump, Ø 50 mm
Article number: SKGN-0320040
Reviews - 2
- Alternator Charging Current [A]: 90
- Voltage [V]: 12
- Pulleys: with belt pulley
- Rated Voltage [V]: 14
- Belt Pulley Ø [mm]: 50
- Number of grooves: 6
- Vehicle Main Current: for vehicles with 12V main current
- Rotation Direction: Clockwise rotation
- Alternator Type: excl. vacuum pump
- Fastening Type: Double Pivot Lever
- Clamp: B+(M8),D+,W
- Bore Diameter 1 [mm]: 8
- Number of mounting bores: 4
- Number of threaded holes: 2
- Thread Size: M8
- Distance from belt pulley to alternator [mm]: 40
- Item number: SKGN-0320040
- Our price: £ 128,39
- Manufacturer: STARK
- EAN number: 4059191118878
- Condition: New
- Reference number OEM: 21903025N
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Get a bonus of £ 1,20 when you purchase this product
You will receive £ 1,20 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
In stock
-23%
compared to
RRP £ 168,10
£ 128,39
price incl. 20% VAT
excl. delivery costs
Alternator VALEO 21 903 025 N14V, 90A, B+, R 90, Ø 55 mm
Article number: 436444
Reviews - 1
- Alternator Charging Current [A]: 90
- Voltage [V]: 14
- Product line: REMANUFACTURED PREMIUM
- Pulleys: with V-ribbed belt pulley
- Belt Pulley Ø [mm]: 55
- Number of ribs: 6
- Exchange Part
- Position / Degree: R 90
- Rotation Direction: Clockwise rotation
- Fastening Type: Four-point attachment
- Clamp: B+
- Weight [kg]: 5,87
- Item number: 436444
- Our price: £ 149,63
- Manufacturer: VALEO
- EAN number: 3276424364449
- Condition: Remanufactured
- Reference number OEM: 21903025N
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Contents of the Alternator VALEO set:
Description of the product
Units
Article number
Alternator
1
A11VI63
Alternator
1
A13VI124
Alternator
1
SG9MA272
Details
Free delivery on this item
In stock (Item(s) left: 2)
£ 149,63
price incl. 20% VAT
A core charge of £ 52,01 (incl. 20% VAT) is NOT included in the price and will be refunded to the customer when the old part is returned
Alternator STARK 21 903 025 N14V, 90A, B+(M8)/D+/W, M8 B+, D+ W Plug 25, excl. vacuum pump, Ø 50 mm
Article number: SKGN-0320097
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- Alternator Charging Current [A]: 90
- Voltage [V]: 14
- Pulleys: with belt pulley
- Rated Voltage [V]: 14
- Belt Pulley Ø [mm]: 50
- Number of grooves: 6
- Vehicle Main Current: for vehicles with 12V main current
- Alternator Type: excl. vacuum pump
- Fastening Type: 3-point attachment
- Clamp: B+(M8) / D+ / W, M8 B+, D+ W Plug 25
- Bore Diameter 1 [mm]: 8
- Number of mounting bores: 3
- Number of threaded holes: 1
- Thread Size: M8
- Distance from belt pulley to alternator [mm]: 40
- Item number: SKGN-0320097
- Our price: £ 152,07
- Manufacturer: STARK
- EAN number: 4059191442485
- Condition: New
- Reference number OEM: 21903025N
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Details
Get a bonus of £ 0,97 when you purchase this product
You will receive £ 0,97 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
Free delivery on this item
In stock
-19%
compared to
RRP £ 189,70
£ 152,07
price incl. 20% VAT
Alternator AS-PL 21 903 025 N12V, 90A
Article number: A0129
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- Alternator Charging Current [A]: 90
- Voltage [V]: 12
- Pulleys: with belt pulley
- Quality: STANDARD LINE
- Version: 0123320008
- New part without deposit
- Item number: A0129
- Our price: £ 173,27
- Manufacturer: AS-PL
- EAN number: 5901259401707
- Condition: New
- Reference number OEM: 21903025N
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Get a bonus of £ 1,06 when you purchase this product
You will receive £ 1,06 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
Free delivery on this item
In stock (Item(s) left: 2)
-20%
compared to
RRP £ 217,18
£ 173,27
price incl. 20% VAT


Alternator goCORE 21 903 025 N14V, 90A, B+(M8)/D+/W, M8 B+, D+ W Plug 25, excl. vacuum pump, Ø 50 mm
Article number: GCD0208
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- Alternator Charging Current [A]: 90
- Voltage [V]: 14
- Pulleys: with belt pulley
- Rated Voltage [V]: 14
- Belt Pulley Ø [mm]: 50
- Number of grooves: 6
- Vehicle Main Current: for vehicles with 12V main current
- Alternator Type: excl. vacuum pump
- Fastening Type: 3-point attachment
- Clamp: B+(M8) / D+ / W, M8 B+, D+ W Plug 25
- Bore Diameter 1 [mm]: 8
- Number of mounting bores: 3
- Number of threaded holes: 1
- Thread Size: M8
- Distance from belt pulley to alternator [mm]: 40
- Item number: GCD0208
- Our price: £ 293,01
- Manufacturer: goCORE
- EAN number: 4069198033609
- Condition: New
- Reference number OEM: 21903025N
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Alternator The NewLine 21 903 025 N12V, 90A
Article number: RE73563N
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- Alternator Charging Current [A]: 90
- Voltage [V]: 12
- Manufacturer Restriction: Bosch
- New Part
- Used part return not required
- Item number: RE73563N
- Our price: £ 81,76
- Manufacturer: The NewLine
- EAN number: 5415047091648
- Condition: New
- Reference number OEM: 21903025N
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Alternator VEMO 21 903 025 N14V, 90A, Ø 53 mm
Article number: V10-13-38370
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- Alternator Charging Current [A]: 90
- Voltage [V]: 14
- Product line: Original Quality
- Pulleys: with belt pulley
- Belt Pulley Ø [mm]: 53
- Number of ribs: 6
- Rotation Direction: Clockwise rotation
- Connector / Clamp: with connection for speed sensor
- Fastening Type: Double Pivot Lever
- New Part
- Length [mm]: 163
- Height [mm]: 195
- New part without deposit
- Packaging width [cm]: 23,5
- Packaging height [cm]: 22
- Item number: V10-13-38370
- Our price: £ 120,63
- Manufacturer: VEMO
- EAN number: 4046001303432
- Condition: New
- Reference number OEM: 21903025N
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Details
Alternator VALEO 21 903 025 N14V, 70A, B+, R 90, Ø 68 mm
Article number: 443174
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- Alternator Charging Current [A]: 70
- Voltage [V]: 14
- Pulleys: with V-ribbed belt pulley
- Belt Pulley Ø [mm]: 68
- Number of ribs: 6
- Position / Degree: R 90
- Rotation Direction: Clockwise rotation
- Fastening Type: Four-point attachment
- Clamp: B+
- New Part
- Weight [kg]: 6,24
- Exchange Part without deposit
- Item number: 443174
- Our price: £ 129,02
- Manufacturer: VALEO
- EAN number: 3276424431745
- Condition: New
- Reference number OEM: 21903025N
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Details
Alternator VALEO 21 903 025 N14V, 90A, R 90, Ø 55 mm, with integrated regulator
Article number: 839083
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- Alternator Charging Current [A]: 90
- Voltage [V]: 14
- Pulleys: with belt pulley
- Belt Pulley Ø [mm]: 55
- Number of ribs: 6
- Exchange Part
- Supplementary Article / Supplementary Info: with integrated regulator
- Position / Degree: R 90
- Rotation Direction: Clockwise rotation
- Connector / Clamp: with connection for speed sensor
- Fastening Type: Four-point attachment
- Weight [kg]: 5,5
- Item number: 839083
- Our price: £ 170,99
- Manufacturer: VALEO
- EAN number: 2221103022060
- Condition: Remanufactured
- Reference number OEM: 21903025N
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Details
Alternator VALEO 21 903 025 N14V, 90A, B+, L 90, Ø 69 mm
Article number: 437614
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- Alternator Charging Current [A]: 90
- Voltage [V]: 14
- Product line: REMANUFACTURED PREMIUM
- Pulleys: with V-ribbed belt pulley
- Belt Pulley Ø [mm]: 69
- Number of ribs: 6
- Exchange Part
- Position / Degree: L 90
- Rotation Direction: Clockwise rotation
- Fastening Type: Four-point attachment
- Clamp: B+
- Weight [kg]: 6,14
- Item number: 437614
- Our price: £ 212,78
- Manufacturer: VALEO
- EAN number: 3276424376145
- Condition: Remanufactured
- Reference number OEM: 21903025N
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Details
Free delivery on this item
Сurrently out of stock
£ 212,78
price incl. 20% VAT
A core charge of £ 52,01 (incl. 20% VAT) is NOT included in the price and will be refunded to the customer when the old part is returned
Alternator VALEO 21 903 025 N14V, 90A, B+, R 90, Ø 55 mm
Article number: 439003
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- Alternator Charging Current [A]: 90
- Voltage [V]: 14
- Product line: NEW ORIGINAL PART
- Pulleys: with V-ribbed belt pulley
- Belt Pulley Ø [mm]: 55
- Number of ribs: 6
- Position / Degree: R 90
- Rotation Direction: Clockwise rotation
- Fastening Type: Four-point attachment
- Clamp: B+
- Weight [kg]: 5,95
- New part without deposit
- Item number: 439003
- Our price: £ 214,23
- Manufacturer: VALEO
- EAN number: 3276424390035
- Condition: New
- Reference number OEM: 21903025N
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Contents of the Alternator VALEO set:
Details
Alternator VALEO 21 903 025 N14V, 90A, R 90, Ø 55 mm, with integrated regulator
Article number: 746065
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- Alternator Charging Current [A]: 90
- Voltage [V]: 14
- Product line: REMANUFACTURED CLASSIC
- Pulleys: with belt pulley
- Belt Pulley Ø [mm]: 55
- Number of ribs: 6
- Exchange Part
- Supplementary Article / Supplementary Info: with integrated regulator
- Position / Degree: R 90
- Rotation Direction: Clockwise rotation
- Connector / Clamp: with connection for speed sensor
- Fastening Type: Four-point attachment
- Weight [kg]: 5,85
- Item number: 746065
- Our price: £ 230,61
- Manufacturer: VALEO
- EAN number: 3276427460650
- Condition: Remanufactured
- Reference number OEM: 21903025N
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Contents of the Alternator VALEO set:
Description of the product
Units
Article number
Alternator
1
A11VI63
Alternator
1
A13VI124
Alternator
1
SG9MA272
Details
Free delivery on this item
Сurrently out of stock
£ 230,61
price incl. 20% VAT
A core charge of £ 52,01 (incl. 20% VAT) is NOT included in the price and will be refunded to the customer when the old part is returned
Alternator VALEO 21 903 025 N14V, 90A, B+, R 90, Ø 55 mm
Article number: 200026
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- Alternator Charging Current [A]: 90
- Voltage [V]: 14
- Pulleys: with V-ribbed belt pulley
- Belt Pulley Ø [mm]: 55
- Number of ribs: 6
- Position / Degree: R 90
- Rotation Direction: Clockwise rotation
- Fastening Type: Four-point attachment
- Clamp: B+
- Weight [kg]: 5,872
- remanufactured spare part (REMAN)
- Exchange Part without deposit
- Item number: 200026
- Our price: £ 445,26
- Manufacturer: VALEO
- EAN number: 3276422000264
- Condition: Remanufactured
- Reference number OEM: 21903025N
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Contents of the Alternator VALEO set:
Description of the product
Units
Article number
Alternator
1
A11VI63
Alternator
1
A13VI124
Alternator
1
SG9MA272
Details
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