Genuine & Aftermarket

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OE Reference Cross-Match

8D0 121 403 C

115 parts found
Exact match
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

AUDI · Genuine

8D0121403C - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

Price on Request
Cap, coolant tank AUDI A4 B5 (8D2) 1.8 T

VAICO · Aftermarket

V10-0209 - Cap, coolant tank AUDI A4 B5 (8D2) 1.8 T

In stock · Dispatch in 3 business days

3.47 USD
Carbus24
BSG 90-551-004
Aftermarket BSG

BSG · Aftermarket

BSG 90-551-004 - Cap, coolant tank AUDI A4 B5 (8D2) 2.6 quattro

In stock · Dispatch in 3 business days

2.36 USD
Carbus24
1J0121321B
100% Genuine VAG

VAG · Genuine

1J0121321B - Cap, coolant tank VW CONSTELLATION 17.280

In stock · Dispatch in 3 business days

19.7 USD
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

FEBI BILSTEIN · Aftermarket

44534 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

28.11 USD
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

ESEN SKV · Aftermarket

61SKV303 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

13.66 USD
Cap, coolant tank VW BORA I (1J2) 1.6

ESEN SKV · Aftermarket

61SKV011 - Cap, coolant tank VW BORA I (1J2) 1.6

Out of stock · Dispatch in 3 business days

2.53 USD
Cap, coolant tank VW BORA I (1J2) 1.6

SWAG · Aftermarket

30 91 4700 - Cap, coolant tank VW BORA I (1J2) 1.6

Out of stock · Dispatch in 3 business days

4.43 USD
Water Tank, radiator AUDI A4 B5 (8D2) 1.9 TDI

MEAT & DORIA · Aftermarket

2035144 - Water Tank, radiator AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

28.1 USD
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

NISSENS · Aftermarket

996299 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

29.4 USD
Cap, coolant tank VW PASSAT B7 (362) 2.0 TDI

VAICO · Aftermarket

V10-0490 - Cap, coolant tank VW PASSAT B7 (362) 2.0 TDI

Out of stock · Dispatch in 3 business days

5.09 USD
Cap, coolant tank VW BORA I (1J2) 1.6

KAMOKA · Aftermarket

7729009 - Cap, coolant tank VW BORA I (1J2) 1.6

Out of stock · Dispatch in 3 business days

2.71 USD
Cap, coolant tank VW BORA I (1J2) 1.6

MAXGEAR · Aftermarket

28-0210 - Cap, coolant tank VW BORA I (1J2) 1.6

Out of stock · Dispatch in 3 business days

1.95 USD
Cap, coolant tank VW CONSTELLATION 17.280

VAG · Genuine

3B0121321 - Cap, coolant tank VW CONSTELLATION 17.280

Out of stock · Dispatch in 3 business days

28.75 USD
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

ESEN SKV · Aftermarket

61SKV304 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

16.88 USD
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

SWAG · Aftermarket

30 94 4534 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

30.91 USD
Cap, coolant tank VW BORA I (1J2) 1.6

FEBI BILSTEIN · Aftermarket

14700 - Cap, coolant tank VW BORA I (1J2) 1.6

Out of stock · Dispatch in 3 business days

4.86 USD
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.6

VAICO · Aftermarket

V10-0559 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.6

Out of stock · Dispatch in 3 business days

17.43 USD
Cap, coolant tank VW BORA I (1J2) 1.6

MEAT & DORIA · Aftermarket

2036019 - Cap, coolant tank VW BORA I (1J2) 1.6

Out of stock · Dispatch in 3 business days

6.74 USD
Cap, coolant tank VW BORA I (1J2) 1.6

TRUCKTEC · Aftermarket

07.40.003 - Cap, coolant tank VW BORA I (1J2) 1.6

Out of stock · Dispatch in 3 business days

2.99 USD
Carbus24
8E0121321
100% Genuine VAG

VAG · Genuine

8E0121321 - Cap, coolant tank VW CONSTELLATION 17.280

Out of stock · Dispatch in 3 business days

22.49 USD
Brake Shoe Set CITROËN C4 I (LC_) 1.6 HDi

A.B.S. · Aftermarket

8410 - Brake Shoe Set CITROËN C4 I (LC_) 1.6 HDi

Out of stock · Dispatch in 3 business days

23.75 USD
Seal Ring, valve stem VW GOLF IV Cabriolet (1E7) 1.9 TDI

FEBI BILSTEIN · Aftermarket

03345 - Seal Ring, valve stem VW GOLF IV Cabriolet (1E7) 1.9 TDI

Out of stock · Dispatch in 3 business days

0.51 USD
Rear Muffler SKODA YETI (5L) 2.0 TDI 4x4

POLMO · Aftermarket

24.00 - Rear Muffler SKODA YETI (5L) 2.0 TDI 4x4

Out of stock · Dispatch in 3 business days

131.48 USD
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

CAUTEX · Aftermarket

954080 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
2400
Aftermarket FARE-MX

FARE-MX · Aftermarket

2400 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.8 T

Out of stock · Dispatch in 3 business days

Price on Request
Expansion Tank, coolant AUDI A4 B5 Avant (8D5) 1.6

STC · Aftermarket

T403345 - Expansion Tank, coolant AUDI A4 B5 Avant (8D5) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

BIRTH · Aftermarket

8410 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

Price on Request
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

METALCAUCHO · Aftermarket

03345 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

Price on Request
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

FARE SA · Aftermarket

2400 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

Price on Request
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.6

PLYOM · Aftermarket

P954080 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
8D0121403D
100% Genuine VAG

VAG · Genuine

8D0121403D - Expansion Tank, coolant AUDI A8 D2 (4D2, 4D8) 4.2 quattro

Out of stock · Dispatch in 3 business days

Price on Request
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

DOGA · Aftermarket

40X0030 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
08020358
Aftermarket KRAFTVOLL GERMANY

KRAFTVOLL GERMANY · Aftermarket

08020358 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

Price on Request
Cap, coolant tank VW BORA I (1J2) 1.6

VEMA · Aftermarket

15916 - Cap, coolant tank VW BORA I (1J2) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
A4240115
Aftermarket BOGAP

BOGAP · Aftermarket

A4240115 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
043002N
Aftermarket AKS DASIS

AKS DASIS · Aftermarket

043002N - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

Price on Request
Fuel Pump AUDI A4 B5 (8D2) 1.9 TDI

ERA · Aftermarket

770075 - Fuel Pump AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

Price on Request
Cap, coolant tank VW BORA I (1J2) 1.6

RIDEX · Aftermarket

56V0002 - Cap, coolant tank VW BORA I (1J2) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Expansion Tank, coolant AUDI A4 B5 Avant (8D5) 1.8 T quattro

AIC · Aftermarket

51026 - Expansion Tank, coolant AUDI A4 B5 Avant (8D5) 1.8 T quattro

Out of stock · Dispatch in 3 business days

Price on Request
Cap, coolant tank VW BORA I (1J2) 1.6

AIC · Aftermarket

51034 - Cap, coolant tank VW BORA I (1J2) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

AUDI · Genuine

30944534 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.9 TDI

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
6SCC1013
Aftermarket ASPART

ASPART · Aftermarket

6SCC1013 - Cap, coolant tank

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
WG2601353
Aftermarket WILMINK GROUP

WILMINK GROUP · Aftermarket

WG2601353 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Expansion Tank, coolant AUDI A4 B5 Avant (8D5) 1.6

PREXAparts · Aftermarket

P127009 - Expansion Tank, coolant AUDI A4 B5 Avant (8D5) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Carbus24
WG1769183
Aftermarket WILMINK GROUP

WILMINK GROUP · Aftermarket

WG1769183 - Cap, coolant tank AUDI A8 D2 (4D2, 4D8) 2.8

Out of stock · Dispatch in 3 business days

Price on Request
Expansion Tank, coolant AUDI A4 B5 (8D2) 1.6

Stark · Aftermarket

SKET-0960049 - Expansion Tank, coolant AUDI A4 B5 (8D2) 1.6

Out of stock · Dispatch in 3 business days

Price on Request
Cap, coolant tank VW BORA I (1J2) 1.6

AUDI · Genuine

1C9121321 - Cap, coolant tank VW BORA I (1J2) 1.6

Out of stock · Dispatch in 3 business days

Price on Request

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.

Frequently Asked Questions

How do I know if a part matching 8D0121403C number by AUDI 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.