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OE Reference Cross-Match

021903017x

Explore top-quality 021903017x available online at Carbus24. Browse genuine OEM and certified aftermarket replacement parts with guaranteed vehicle fitment, competitive prices, fast worldwide shipping, and premium customer service.

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280 parts found
MERCEDES-BENZ
0021549206
100% Genuine MERCEDES-BENZ

MERCEDES-BENZ · Genuine

0021549206 - Alternator Regulator

In stock · Dispatch in 3 business days

24.25 USD
MERCEDES-BENZ
0031542306
100% Genuine MERCEDES-BENZ

MERCEDES-BENZ · Genuine

0031542306 - Alternator Regulator

In stock · Dispatch in 3 business days

33.2 USD
Alternator VW GOLF IV Cabriolet (1E7) 1.9 TDI

HERTH+BUSS ELPARTS · Aftermarket

32038390 - Alternator VW GOLF IV Cabriolet (1E7) 1.9 TDI

Out of stock · Dispatch in 3 business days

165.19 USD
Alternator Regulator MERCEDES-BENZ O 100 City

DT Spare Parts · Aftermarket

4.66513 - Alternator Regulator MERCEDES-BENZ O 100 City

Out of stock · Dispatch in 3 business days

7.52 USD
MERCEDES-BENZ
A0031540706
100% Genuine MERCEDES-BENZ

MERCEDES-BENZ · Genuine

A0031540706 - Alternator Regulator

Out of stock · Dispatch in 3 business days

264.06 USD
Alternator VW GOLF III (1H1) 1.9 D

VEMO · Aftermarket

V10-13-39090 - Alternator VW GOLF III (1H1) 1.9 D

Out of stock · Dispatch in 3 business days

211.57 USD
Alternator Regulator BMW 3 (E36) 320 i

VEMO · Aftermarket

V10-77-0016 - Alternator Regulator BMW 3 (E36) 320 i

Out of stock · Dispatch in 3 business days

14.18 USD
MERCEDES-BENZ
A0021548506
100% Genuine MERCEDES-BENZ

MERCEDES-BENZ · Genuine

A0021548506 - Alternator Regulator

Out of stock · Dispatch in 3 business days

197.25 USD
MERCEDES-BENZ
A0031540606
100% Genuine MERCEDES-BENZ

MERCEDES-BENZ · Genuine

A0031540606 - Alternator Regulator

Out of stock · Dispatch in 3 business days

342.41 USD
MERCEDES-BENZ
A0021549206
100% Genuine MERCEDES-BENZ

MERCEDES-BENZ · Genuine

A0021549206 - Alternator Regulator

Out of stock · Dispatch in 3 business days

211.54 USD
MERCEDES-BENZ
A0031542306
100% Genuine MERCEDES-BENZ

MERCEDES-BENZ · Genuine

A0031542306 - Alternator Regulator

Out of stock · Dispatch in 3 business days

161.34 USD
Screw Plug, oil sump BMW 7 (E38) 730 d

AIC · Aftermarket

56282 - Screw Plug, oil sump BMW 7 (E38) 730 d

Out of stock · Dispatch in 3 business days

1.13 USD
Alternator VW GOLF IV Cabriolet (1E7) 1.6

AS-PL · Aftermarket

A0131 - Alternator VW GOLF IV Cabriolet (1E7) 1.6

Out of stock · Dispatch in 3 business days

121.01 USD
Alternator VW PASSAT B3/B4 (3A2, 35I) 2.0

LUCAS · Aftermarket

LRB00145 - Alternator VW PASSAT B3/B4 (3A2, 35I) 2.0

Out of stock · Dispatch in 3 business days

97.76 USD
Suspension Spring SKODA ROOMSTER Praktik (5J) 1.6 TDI

SPIDAN · Aftermarket

56292 - Suspension Spring SKODA ROOMSTER Praktik (5J) 1.6 TDI

Out of stock · Dispatch in 3 business days

41.95 USD
Alternator VW GOLF IV Cabriolet (1E7) 1.9 TDI

DRI · Aftermarket

211150702 - Alternator VW GOLF IV Cabriolet (1E7) 1.9 TDI

Out of stock · Dispatch in 3 business days

187.58 USD
Alternator VW GOLF IV Cabriolet (1E7) 1.9 TDI

VALEO · Aftermarket

436442 - Alternator VW GOLF IV Cabriolet (1E7) 1.9 TDI

Out of stock · Dispatch in 3 business days

239.33 USD
Alternator VW VENTO (1H2) 2.8 VR6

LUCAS · Aftermarket

LRA02725 - Alternator VW VENTO (1H2) 2.8 VR6

Out of stock · Dispatch in 3 business days

167.51 USD
Alternator VW GOLF IV Cabriolet (1E7) 1.6

ERA · Aftermarket

210621A - Alternator VW GOLF IV Cabriolet (1E7) 1.6

Out of stock · Dispatch in 3 business days

142.86 USD
Gas Spring, boot/cargo area VW GOLF IV Cabriolet (1E7) 1.9 TDI

KILEN · Aftermarket

439001 - Gas Spring, boot/cargo area VW GOLF IV Cabriolet (1E7) 1.9 TDI

Out of stock · Dispatch in 3 business days

13.12 USD
Alternator VW CADDY II Pickup (9U7) 1.9 D

ELSTOCK · Aftermarket

28-3523 - Alternator VW CADDY II Pickup (9U7) 1.9 D

Out of stock · Dispatch in 3 business days

149.13 USD
Interior Blower VW POLO III CLASSIC (6V2) 110 1.9 TDI

TOPRAN · Aftermarket

111 353 - Interior Blower VW POLO III CLASSIC (6V2) 110 1.9 TDI

Out of stock · Dispatch in 3 business days

36.98 USD
Tappet

DT Spare Parts · Aftermarket

2.10621 - Tappet

Out of stock · Dispatch in 3 business days

6.13 USD
Alternator VW GOLF IV Cabriolet (1E7) 1.9 TDI

ELSTOCK · Aftermarket

28-2633 - Alternator VW GOLF IV Cabriolet (1E7) 1.9 TDI

Out of stock · Dispatch in 3 business days

87.82 USD
Charger, charging (supercharged/turbocharged)

DT Spare Parts · Aftermarket

1.10827 - Charger, charging (supercharged/turbocharged)

Out of stock · Dispatch in 3 business days

543.19 USD
Alternator VW GOLF IV Cabriolet (1E7) 1.9 TDI

BOSCH · Aftermarket

0 986 038 390 - Alternator VW GOLF IV Cabriolet (1E7) 1.9 TDI

Out of stock · Dispatch in 3 business days

213.13 USD
Carbus24
10441801
Aftermarket ALANKO

ALANKO · Aftermarket

10441801 - Alternator VW PASSAT B3/B4 (3A2, 35I) 2.0 Syncro

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
023903023X
100% Genuine VAG

VAG · Genuine

023903023X - Alternator VW PASSAT B3/B4 (3A2, 35I) 2.0 Syncro

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
023903023BX
100% Genuine VAG

VAG · Genuine

023903023BX - Alternator VW PASSAT B3/B4 (3A2, 35I) 2.0 Syncro

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
305502070010
Aftermarket Professional Parts

Professional Parts · Aftermarket

305502070010 - Alternator VW GOLF IV Cabriolet (1E7) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Alternator VW GOLF IV Cabriolet (1E7) 1.6

BV PSH · Aftermarket

305.502.070.215 - Alternator VW GOLF IV Cabriolet (1E7) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
305.502.070.505
Aftermarket BV PSH

BV PSH · Aftermarket

305.502.070.505 - Alternator VW PASSAT B3/B4 (3A2, 35I) 2.0

Out of stock · Dispatch in 3 business days

Price on Request
Alternator VW GOLF IV Cabriolet (1E7) 1.6

BV PSH · Aftermarket

305.502.070.010 - Alternator VW GOLF IV Cabriolet (1E7) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Alternator VW GOLF IV Cabriolet (1E7) 1.6

AES PSH · Aftermarket

305.502.070.010 - Alternator VW GOLF IV Cabriolet (1E7) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
305.502.070.395
Aftermarket BV PSH

BV PSH · Aftermarket

305.502.070.395 - Alternator VW GOLF IV Cabriolet (1E7) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Alternator Regulator VW BORA I (1J2) 1.6

ASTEMO-HITACHI · Aftermarket

130552 - Alternator Regulator VW BORA I (1J2) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
010.1632
Aftermarket SAMPA

SAMPA · Aftermarket

010.1632 - Alternator Regulator

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
AAL1438
Aftermarket APEC

APEC · Aftermarket

AAL1438 - Alternator VW GOLF IV Cabriolet (1E7) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
G100249
Aftermarket BTS Turbo

BTS Turbo · Aftermarket

G100249 - Alternator VW GOLF IV Cabriolet (1E7) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
G102942
Aftermarket BTS Turbo

BTS Turbo · Aftermarket

G102942 - Alternator VW GOLF IV Cabriolet (1E7) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Alternator VW PASSAT B3/B4 (3A2, 35I) 2.0

NAPA · Aftermarket

NAL1438 - Alternator VW PASSAT B3/B4 (3A2, 35I) 2.0

Out of stock · Dispatch in 3 business days

Price on Request
MERCEDES-BENZ
0031540606
100% Genuine MERCEDES-BENZ

MERCEDES-BENZ · Genuine

0031540606 - Alternator Regulator

Out of stock · Dispatch in 3 business days

Price on Request
CHRYSLER
K05133774AA
100% Genuine CHRYSLER

CHRYSLER · Genuine

K05133774AA - Alternator Regulator

Out of stock · Dispatch in 3 business days

Price on Request
Alternator Regulator BMW 3 (E36) 320 i

SEAT · Genuine

28903025QV - Alternator Regulator BMW 3 (E36) 320 i

Out of stock · Dispatch in 3 business days

Price on Request
Alternator Regulator BMW 3 (E36) 320 i

SEAT · Genuine

28903028LV - Alternator Regulator BMW 3 (E36) 320 i

Out of stock · Dispatch in 3 business days

Price on Request
VOLKSWAGEN
28903803D
100% Genuine VOLKSWAGEN

VOLKSWAGEN · Genuine

28903803D - Alternator Regulator

Out of stock · Dispatch in 3 business days

Price on Request
VOLKSWAGEN
28903803G
100% Genuine VOLKSWAGEN

VOLKSWAGEN · Genuine

28903803G - Alternator Regulator

Out of stock · Dispatch in 3 business days

Price on Request

Why Customers Choose CarBus24

Our Promises to Every Customer

Genuine Promise

Checked against the OE numbers above before listing.

Money Back Guarantee

Get the item you ordered or your money back.

Secure Transaction

Your payment info is protected at all times.

14-Day Returns

Changed your mind? Return it within 14 days.

Cross-referenced parts are cataloged as fitting the same application but are not guaranteed to be identical to the original manufacturer part. Verify fitment against your OE number or VIN before ordering.

How to Confirm This Part Fits Your Vehicle

Reference/cross-reference numbers vary by engine, transmission, chassis and production date — not by number alone. Before ordering, compare your original OE number against 021903017X number by VOLKSWAGEN listed above, and check the dimensions or specifications against your original part.

If you’re unsure, contact CarBus24 with your VIN or the number printed on your original part and we’ll confirm the correct match before you order.

OE vs. Aftermarket Parts

OE (SACHS, Ford, Mazda)Aftermarket (FAST, Valeo, LUK, Exedy)
Matches original manufacturer specificationCross-referenced to the same application
Typically higher priceTypically lower price
Direct OE part numberEquivalent fit, different part number

Frequently Asked Questions

How do I know if a part matching 021903017X number by VOLKSWAGEN fits my car?

Compare your original OE number against the OE Reference Numbers listed above, and check the dimensions or specifications against your original part.

What is the difference between OE and aftermarket parts?

OE parts match the original manufacturer specification. Aftermarket parts are cross-referenced to fit the same application, usually at a lower price.

Can I search by my vehicle instead of an OE number?

Yes — select your vehicle from the sidebar to see parts confirmed to fit your car.

What if I'm not sure which OE number I have?

Send us your VIN or the number printed on your original part and our team can confirm the correct match before you order.