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Coolant Expansion Tank 1J0121403B
SKU: | 1J0-121-403B |
Standard shipping - $11.00
Please allow 2 days handling time
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Coolant Expansion Tank 1J0121403B
IMAGE IS EXAMPLE ONLY, BRAND MAY VARY
An expansion tank, also known as a coolant reservoir, is an important component of a car's cooling system. Its primary function is to compensate for changes in the volume of coolant in the system due to temperature fluctuations. As the engine heats up, the coolant expands and the excess is routed to the expansion tank. Likewise, when the engine cools down, the coolant contracts and is drawn back into the radiator from the expansion tank.
Without an expansion tank, the increased pressure from the expanding coolant would put stress on the radiator and could potentially cause it to crack. Additionally, without a reservoir for excess coolant to go into, the system would be more susceptible to air pockets, which can impede the flow of coolant and cause overheating. In short, the expansion tank helps to maintain the proper level of coolant in the system and ensure that the engine stays cool and operating within a safe temperature range.
Quantity |
1 |
Supplementary Article/Info 2 |
with sensor |
Number of connectors |
2 |
Weight [kg] |
0,315 |
- Audi A3 1997 8L1 1.6 FWD Petrol 1.6L 4cyl 74kW AEH,APF,AKL
- Audi A3 1998 8L1 1.6 FWD Petrol 1.6L 4cyl 74kW AEH,APF,AKL
- Audi A3 1999 8L1 1.6 FWD Petrol 1.6L 4cyl 74kW AEH,APF,AKL
- Audi A3 2000 8L1 1.6 FWD Petrol 1.6L 4cyl 74kW AEH,APF,AKL
- Audi A3 2001 8L1 1.6 FWD Petrol 1.6L 4cyl 74kW AEH,APF,AKL
- Audi A3 2002 8L1 1.6 FWD Petrol 1.6L 4cyl 74kW AEH,APF,AKL
- Audi A3 2003 8L1 1.6 FWD Petrol 1.6L 4cyl 74kW AEH,APF,AKL
- Audi A3 2000 8L1 1.6 FWD Petrol 1.6L 4cyl 75kW AVU,BFQ
- Audi A3 2001 8L1 1.6 FWD Petrol 1.6L 4cyl 75kW AVU,BFQ
- Audi A3 2002 8L1 1.6 FWD Petrol 1.6L 4cyl 75kW AVU,BFQ
- Audi A3 2003 8L1 1.6 FWD Petrol 1.6L 4cyl 75kW AVU,BFQ
- Audi A3 1997 8L1 1.8 FWD Petrol 1.8L 4cyl 92kW AGN,APG
- Audi A3 1998 8L1 1.8 FWD Petrol 1.8L 4cyl 92kW AGN,APG
- Audi A3 1999 8L1 1.8 FWD Petrol 1.8L 4cyl 92kW AGN,APG
- Audi A3 2000 8L1 1.8 FWD Petrol 1.8L 4cyl 92kW AGN,APG
- Audi A3 2001 8L1 1.8 FWD Petrol 1.8L 4cyl 92kW AGN,APG
- Audi A3 2002 8L1 1.8 FWD Petrol 1.8L 4cyl 92kW AGN,APG
- Audi A3 2003 8L1 1.8 FWD Petrol 1.8L 4cyl 92kW AGN,APG
- Audi A3 1998 8L1 1.8 T FWD Petrol 1.8L 4cyl 110kW AGU,AQA,ARZ,AUM
- Audi A3 1999 8L1 1.8 T FWD Petrol 1.8L 4cyl 110kW AGU,AQA,ARZ,AUM
- Audi A3 2000 8L1 1.8 T FWD Petrol 1.8L 4cyl 110kW AGU,AQA,ARZ,AUM
- Audi A3 2001 8L1 1.8 T FWD Petrol 1.8L 4cyl 110kW AGU,AQA,ARZ,AUM
- Audi A3 2002 8L1 1.8 T FWD Petrol 1.8L 4cyl 110kW AGU,AQA,ARZ,AUM
- Audi A3 2003 8L1 1.8 T FWD Petrol 1.8L 4cyl 110kW AGU,AQA,ARZ,AUM
- Audi A3 1998 8L1 1.8 T quattro AWD Petrol 1.8L 4cyl 132kW AJQ,ARY
- Audi A3 1999 8L1 1.8 T quattro AWD Petrol 1.8L 4cyl 132kW AJQ,ARY
- Audi A3 2000 8L1 1.8 T quattro AWD Petrol 1.8L 4cyl 132kW AJQ,ARY
- Audi A3 2001 8L1 1.8 T quattro AWD Petrol 1.8L 4cyl 132kW AJQ,ARY
- Audi A3 2002 8L1 1.8 T quattro AWD Petrol 1.8L 4cyl 132kW AJQ,ARY
- Audi A3 2003 8L1 1.8 T quattro AWD Petrol 1.8L 4cyl 132kW AJQ,ARY
- Audi S3 1999 8L1 S3 quattro AWD Petrol 1.8L 4cyl 154kW AMK,APY
- Audi S3 2000 8L1 S3 quattro AWD Petrol 1.8L 4cyl 154kW AMK,APY
- Audi S3 2001 8L1 S3 quattro AWD Petrol 1.8L 4cyl 154kW AMK,APY
- Audi S3 2002 8L1 S3 quattro AWD Petrol 1.8L 4cyl 154kW AMK,APY
- Audi S3 2001 8L1 S3 quattro AWD Petrol 1.8L 4cyl 165kW BAM
- Audi S3 2002 8L1 S3 quattro AWD Petrol 1.8L 4cyl 165kW BAM
- Audi S3 2003 8L1 S3 quattro AWD Petrol 1.8L 4cyl 165kW BAM
- Seat Toledo 1998 1M2 2.3 V5 FWD Petrol 2.3L 5cyl 110kW AGZ
- Seat Toledo 1999 1M2 2.3 V5 FWD Petrol 2.3L 5cyl 110kW AGZ
- Seat Toledo 2000 1M2 2.3 V5 FWD Petrol 2.3L 5cyl 110kW AGZ
- VW Bora 1998 1J2 1.6 FWD Petrol 1.6L 4cyl 74kW APF,AEH,AKL
- VW Bora 1999 1J2 1.6 FWD Petrol 1.6L 4cyl 74kW APF,AEH,AKL
- VW Bora 2000 1J2 1.6 FWD Petrol 1.6L 4cyl 74kW APF,AEH,AKL
- VW Bora 2001 1J2 1.6 FWD Petrol 1.6L 4cyl 74kW APF,AEH,AKL
- VW Bora 2002 1J2 1.6 FWD Petrol 1.6L 4cyl 74kW APF,AEH,AKL
- VW Bora 2003 1J2 1.6 FWD Petrol 1.6L 4cyl 74kW APF,AEH,AKL
- VW Bora 2004 1J2 1.6 FWD Petrol 1.6L 4cyl 74kW APF,AEH,AKL
- VW Bora 2005 1J2 1.6 FWD Petrol 1.6L 4cyl 74kW APF,AEH,AKL
- VW Bora 2000 1J2 1.9 TDI FWD Diesel 1.9L 4cyl 110kW ARL
- VW Bora 2001 1J2 1.9 TDI FWD Diesel 1.9L 4cyl 110kW ARL
- VW Bora 2002 1J2 1.9 TDI FWD Diesel 1.9L 4cyl 110kW ARL
- VW Bora 2003 1J2 1.9 TDI FWD Diesel 1.9L 4cyl 110kW ARL
- VW Bora 2004 1J2 1.9 TDI FWD Diesel 1.9L 4cyl 110kW ARL
- VW Bora 2005 1J2 1.9 TDI FWD Diesel 1.9L 4cyl 110kW ARL
- VW Bora 1999 1J2 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,BBW,AZG,AQY,APK,AZH
- VW Bora 2000 1J2 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,BBW,AZG,AQY,APK,AZH
- VW Bora 2001 1J2 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,BBW,AZG,AQY,APK,AZH
- VW Bora 2002 1J2 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,BBW,AZG,AQY,APK,AZH
- VW Bora 2003 1J2 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,BBW,AZG,AQY,APK,AZH
- VW Bora 2004 1J2 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,BBW,AZG,AQY,APK,AZH
- VW Bora 2005 1J2 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,BBW,AZG,AQY,APK,AZH
- VW Bora 1999 1J2 2.3 V5 FWD Petrol 2.3L 5cyl 110kW AGZ
- VW Bora 2000 1J2 2.3 V5 FWD Petrol 2.3L 5cyl 110kW AGZ
- VW Bora 2001 1J2 2.3 V5 FWD Petrol 2.3L 5cyl 110kW AGZ
- VW Bora 2002 1J2 2.3 V5 FWD Petrol 2.3L 5cyl 110kW AGZ
- VW Bora 2003 1J2 2.3 V5 FWD Petrol 2.3L 5cyl 110kW AGZ
- VW Bora 2004 1J2 2.3 V5 FWD Petrol 2.3L 5cyl 110kW AGZ
- VW Bora 2005 1J2 2.3 V5 FWD Petrol 2.3L 5cyl 110kW AGZ
- VW Bora 2000 1J2 2.3 V5 FWD Petrol 2.3L 5cyl 125kW AQN
- VW Bora 2001 1J2 2.3 V5 FWD Petrol 2.3L 5cyl 125kW AQN
- VW Bora 2002 1J2 2.3 V5 FWD Petrol 2.3L 5cyl 125kW AQN
- VW Bora 2003 1J2 2.3 V5 FWD Petrol 2.3L 5cyl 125kW AQN
- VW Bora 2004 1J2 2.3 V5 FWD Petrol 2.3L 5cyl 125kW AQN
- VW Bora 2005 1J2 2.3 V5 FWD Petrol 2.3L 5cyl 125kW AQN
- VW Bora 2001 1J2 2.8 V6 4motion AWD Petrol 2.8L 6cyl 150kW AQP,BDE,AUE
- VW Bora 2002 1J2 2.8 V6 4motion AWD Petrol 2.8L 6cyl 150kW AQP,BDE,AUE
- VW Bora 2003 1J2 2.8 V6 4motion AWD Petrol 2.8L 6cyl 150kW AQP,BDE,AUE
- VW Bora 2004 1J2 2.8 V6 4motion AWD Petrol 2.8L 6cyl 150kW AQP,BDE,AUE
- VW Bora 2005 1J2 2.8 V6 4motion AWD Petrol 2.8L 6cyl 150kW AQP,BDE,AUE
- VW Golf 1998 1.6 FWD Petrol 1.6L 4cyl 74kW APF,AEH,AKL
- VW Golf 1999 1.6 FWD Petrol 1.6L 4cyl 74kW APF,AEH,AKL
- VW Golf 2000 1.6 FWD Petrol 1.6L 4cyl 74kW APF,AEH,AKL
- VW Golf 2001 1.6 FWD Petrol 1.6L 4cyl 74kW APF,AEH,AKL
- VW Golf 2000 1.6 FWD Petrol 1.6L 4cyl 75kW AVU,BFQ
- VW Golf 2001 1.6 FWD Petrol 1.6L 4cyl 75kW AVU,BFQ
- VW Golf 2002 1.6 FWD Petrol 1.6L 4cyl 75kW AVU,BFQ
- VW Golf 2003 1.6 FWD Petrol 1.6L 4cyl 75kW AVU,BFQ
- VW Golf 2004 1.6 FWD Petrol 1.6L 4cyl 75kW AVU,BFQ
- VW Golf 1998 1.8 FWD Petrol 1.8L 4cyl 92kW AGN
- VW Golf 1999 1.8 FWD Petrol 1.8L 4cyl 92kW AGN
- VW Golf 1998 1.8 4motion AWD Petrol 1.8L 4cyl 92kW AGN
- VW Golf 1999 1.8 4motion AWD Petrol 1.8L 4cyl 92kW AGN
- VW Golf 2000 1.8 4motion AWD Petrol 1.8L 4cyl 92kW AGN
- VW Golf 2001 1.8 4motion AWD Petrol 1.8L 4cyl 92kW AGN
- VW Golf 2002 1.8 4motion AWD Petrol 1.8L 4cyl 92kW AGN
- VW Golf 2003 1.8 4motion AWD Petrol 1.8L 4cyl 92kW AGN
- VW Golf 2004 1.8 4motion AWD Petrol 1.8L 4cyl 92kW AGN
- VW Golf 2005 1.8 4motion AWD Petrol 1.8L 4cyl 92kW AGN
- VW Golf 1999 1.8 T FWD Petrol 1.8L 4cyl 110kW AGU,ARZ,AWD,AQA,AUM
- VW Golf 2000 1.8 T FWD Petrol 1.8L 4cyl 110kW AGU,ARZ,AWD,AQA,AUM
- VW Golf 2001 1.8 T FWD Petrol 1.8L 4cyl 110kW AGU,ARZ,AWD,AQA,AUM
- VW Golf 2002 1.8 T FWD Petrol 1.8L 4cyl 110kW AGU,ARZ,AWD,AQA,AUM
- VW Golf 2003 1.8 T FWD Petrol 1.8L 4cyl 110kW AGU,ARZ,AWD,AQA,AUM
- VW Golf 2004 1.8 T FWD Petrol 1.8L 4cyl 110kW AGU,ARZ,AWD,AQA,AUM
- VW Golf 2000 1.9 TDI FWD Diesel 1.9L 4cyl 74kW ATD,AXR
- VW Golf 2001 1.9 TDI FWD Diesel 1.9L 4cyl 74kW ATD,AXR
- VW Golf 2002 1.9 TDI FWD Diesel 1.9L 4cyl 74kW ATD,AXR
- VW Golf 2003 1.9 TDI FWD Diesel 1.9L 4cyl 74kW ATD,AXR
- VW Golf 2004 1.9 TDI FWD Diesel 1.9L 4cyl 74kW ATD,AXR
- VW Golf 2005 1.9 TDI FWD Diesel 1.9L 4cyl 74kW ATD,AXR
- VW Golf 1997 1.9 TDI FWD Diesel 1.9L 4cyl 81kW AHF,ASV
- VW Golf 1998 1.9 TDI FWD Diesel 1.9L 4cyl 81kW AHF,ASV
- VW Golf 1999 1.9 TDI FWD Diesel 1.9L 4cyl 81kW AHF,ASV
- VW Golf 2000 1.9 TDI FWD Diesel 1.9L 4cyl 81kW AHF,ASV
- VW Golf 2001 1.9 TDI FWD Diesel 1.9L 4cyl 81kW AHF,ASV
- VW Golf 2002 1.9 TDI FWD Diesel 1.9L 4cyl 81kW AHF,ASV
- VW Golf 2003 1.9 TDI FWD Diesel 1.9L 4cyl 81kW AHF,ASV
- VW Golf 2004 1.9 TDI FWD Diesel 1.9L 4cyl 81kW AHF,ASV
- VW Golf 1997 2 FWD Petrol 2.0L 4cyl 85kW BER,AZJ,APK,AZG,AQY
- VW Golf 1998 2 FWD Petrol 2.0L 4cyl 85kW BER,AZJ,APK,AZG,AQY
- VW Golf 1999 2 FWD Petrol 2.0L 4cyl 85kW BER,AZJ,APK,AZG,AQY
- VW Golf 2000 2 FWD Petrol 2.0L 4cyl 85kW BER,AZJ,APK,AZG,AQY
- VW Golf 2001 2 FWD Petrol 2.0L 4cyl 85kW BER,AZJ,APK,AZG,AQY
- VW Golf 2002 2 FWD Petrol 2.0L 4cyl 85kW BER,AZJ,APK,AZG,AQY
- VW Golf 2003 2 FWD Petrol 2.0L 4cyl 85kW BER,AZJ,APK,AZG,AQY
- VW Golf 2004 2 FWD Petrol 2.0L 4cyl 85kW BER,AZJ,APK,AZG,AQY
- VW Golf 2000 2.3 V5 FWD Petrol 2.3L 5cyl 125kW AQN
- VW Golf 2001 2.3 V5 FWD Petrol 2.3L 5cyl 125kW AQN
- VW Golf 2002 2.3 V5 FWD Petrol 2.3L 5cyl 125kW AQN
- VW Golf 2003 2.3 V5 FWD Petrol 2.3L 5cyl 125kW AQN
- VW Golf 2004 2.3 V5 FWD Petrol 2.3L 5cyl 125kW AQN
- VW Golf 2005 2.3 V5 FWD Petrol 2.3L 5cyl 125kW AQN
- VW Golf 1999 2.8 VR6 4motion AWD Petrol 2.8L 6cyl 150kW AQP,BDE,AUE
- VW Golf 2000 2.8 VR6 4motion AWD Petrol 2.8L 6cyl 150kW AQP,BDE,AUE
- VW Golf 2001 2.8 VR6 4motion AWD Petrol 2.8L 6cyl 150kW AQP,BDE,AUE
- VW Golf 2002 2.8 VR6 4motion AWD Petrol 2.8L 6cyl 150kW AQP,BDE,AUE
- VW Golf 2003 2.8 VR6 4motion AWD Petrol 2.8L 6cyl 150kW AQP,BDE,AUE
- VW Golf 2004 2.8 VR6 4motion AWD Petrol 2.8L 6cyl 150kW AQP,BDE,AUE
- VW Golf 2005 2.8 VR6 4motion AWD Petrol 2.8L 6cyl 150kW AQP,BDE,AUE
- VW Golf 2002 3.2 R32 4motion AWD Petrol 3.2L 6cyl 177kW BML,BFH
- VW Golf 2003 3.2 R32 4motion AWD Petrol 3.2L 6cyl 177kW BML,BFH
- VW Golf 2004 3.2 R32 4motion AWD Petrol 3.2L 6cyl 177kW BML,BFH
- VW Golf 2005 3.2 R32 4motion AWD Petrol 3.2L 6cyl 177kW BML,BFH
- VW Golf 1999 MKIV,1J5 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,APK,AQY
- VW Golf 2000 MKIV,1J5 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,APK,AQY
- VW Golf 2001 MKIV,1J5 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,APK,AQY
- VW Golf 2002 MKIV,1J5 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,APK,AQY
- VW Golf 2003 MKIV,1J5 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,APK,AQY
- VW Golf 2004 MKIV,1J5 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,APK,AQY
- VW Golf 2005 MKIV,1J5 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,APK,AQY
- VW Golf 2006 MKIV,1J5 2.0 FWD Petrol 2.0L 4cyl 85kW AZJ,APK,AQY