Aftermarket Coolant Expansion Bottle for VW Golf, Jetta, Polo, Audi A3, SEAT Leon – 2003–2025

Aftermarket Coolant Expansion Bottle for VW Golf, Jetta, Polo, Audi A3, SEAT Leon – 2003–2025

Maintain optimal engine temperature and prevent overheating with this high-performance Aftermarket Coolant Expansion Bottle, compatible with a wide range of Volkswagen, Audi, and SEAT vehicles from 2003 to 2025. Manufactured to meet or exceed OEM standards, this coolant reservoir is a cost-effective and reliable replacement for worn or cracked factory tanks.

Engineered from durable, heat-resistant plastic, the tank ensures proper coolant flow and pressure regulation within your cooling system. Whether you’re performing routine maintenance or replacing a leaking expansion bottle, this part offers easy installation and dependable performance.

Key Features:
✅ OEM-Quality Replacement – Matches fit and function of original coolant reservoir

✅ Durable Construction – High-grade plastic resists cracking under pressure and heat

✅ Engine Compatibility – Works with a wide range of petrol and diesel engines (1.4L–3.6L)

✅ Optimized Fitment – Designed for seamless installation in factory mounting points

✅ Wide Application – Fits multiple body styles including hatchbacks, sedans, and coupes

✅ Cost-Efficient Alternative – Perfect for budget-friendly repairs without compromising quality

Part Number:
Reference Only: 1K0121407A  Confirm by VIN before purchase

Installation Notes:
Direct bolt-on replacement

No programming or coding required

Ensure the system is bled properly after installation

Replace coolant if contaminated

Fits:

AUDI

A3 / S3 (8P1) 2003 - 2012 

1.4 TFSI (CAXC|CMSA) - 92 kW / 125 HP
1.6 TDI (CAYC) - 77 kW / 105 HP
1.8 TFSI (BYT|BZB|CDAA) - 118 kW / 160 HP
1.9 TDI (BKC|BLS|BXE) - 77 kW / 105 HP
2.0 FSI (AXW|BLR|BLX|BLY|BMB|BVY|BVZ) - 110 kW / 150 HP
2.0 TDI 16V (BKD|CBAB|CFFB|CLJA) - 103 kW / 140 HP
2.0 TFSI (AXX|BWA|CAWB|CCZA) - 147 kW / 200 HP
3.2 V6 quattro (BDB|BMJ|BUB) - 184 kW / 250 HP
S3 quattro (BZC|CDLC) - 188 kW / 256 HP

A3 / S3 Sportback (8PA) 2005 - 2013

1.4 TFSI (CAXC|CMSA) - 92 kW / 125 HP
1.6 TDI (CAYC) - 77 kW / 105 HP
1.8 TFSI (BYT|BZB|CDAA) - 118 kW / 160 HP
1.9 TDI (BKC|BLS|BXE) - 77 kW / 105 HP
2.0 FSI (AXW|BLR|BLX|BLY|BMB|BVY|BVZ) - 110 kW / 150 HP
2.0 TDI 16V (BKD|CBAB|CFFB|CLJA) - 103 kW / 140 HP
2.0 TFSI (AXX|BWA|CAWB|CBFA|CCZA) - 147 kW / 200 HP
3.2 V6 quattro (BDB|BMJ|BUB) - 184 kW / 250 HP
RS3 quattro (CEPA) - 250 kW / 340 HP
S3 quattro (CDLC) - 188 kW / 256 HP

A3 Convertible (8P7) 2008 - 2013

1.8 TFSI (BZB|CDAA) - 118 kW / 160 HP
2.0 TFSI (CAWB|CCZA) - 147 kW / 200 HP

Q3 (8UB, 8UG) 2012 - 2019 TT (8J3) 2006 - 2015

1.4 TFSI (CHPB|CZDA|CZEA) - 110 kW / 150 HP
2.0 TDI (CFFB|CLJA) - 103 kW / 140 HP
2.0 TDI (CUVC|DBBA|DFTA) - 110 kW / 150 HP
2.0 TDI quattro (CFGC|CLLB) - 130 kW / 177 HP
2.0 TDI quattro (CUVC|DFTA) - 110 kW / 150 HP
2.0 TDI quattro (CUWA|CYLA|DFUA) - 135 kW / 184 HP
2.0 TFSI quattro (CCZC) - 125 kW / 170 HP
2.0 TFSI quattro (CPSA) - 155 kW / 211 HP
2.0 TFSI quattro (CULB) - 132 kW / 180 HP
RS 2.5 quattro (CTSA) - 228 kW / 310 HP
RS 2.5 quattro (CZGA) - 250 kW / 340 HP

TT (8J3) 2006-2015

1.8 TFSI (CDAA) - 118 kW / 160 HP
2.0 TFSI (BWA) - 147 kW / 200 HP
2.0 TFSI (CESA) - 155 kW / 211 HP
2.0 TFSI quattro (CESA|CETA) - 155 kW / 211 HP
2.0 TTS quattro (CDLA|CDMA) - 195 kW / 265 HP
3.2 V6 quattro (BUB|CBRA) - 184 kW / 250 HP

TT Roadster (8J9) 2007 - 2014

2.0 TFSI (BWA) - 147 kW / 200 HP
2.0 TFSI (CESA) - 155 kW / 211 HP
2.0 TFSI quattro (CESA|CETA) - 155 kW / 211 HP
2.0 TTS quattro (CDLA|CDMA) - 195 kW / 265 HP
3.2 V6 quattro (BUB|CBRA) - 184 kW / 250 HP

SEAT

ALTEA (5P1) 2004 - 2025 

2.0 FSI (BLR|BLY|BVY|BVZ) - 110 kW / 150 HP
2.0 TDI (BMM) - 103 kW / 140 HP
2.0 TDI 16V (BKD|CFHC) - 103 kW / 140 HP

LEON (1P1) 2005 - 2012 

2.0 FSI (BLR|BLY|BVY|BVZ) - 110 kW / 150 HP
2.0 TDI (BMM) - 103 kW / 140 HP
2.0 TDI 16V (BKD|CFHC|CLCB) - 103 kW / 140 HP
2.0 TFSI (BWA) - 147 kW / 200 HP
2.0 TFSI (BWJ|CDLD) - 177 kW / 240 HP

VOLKSWAGEN 
BEETLE (5C1, 5C2) 2011 - 2025

1.2 TSI (CBZB) - 77 kW / 105 HP
1.4 TSI (CAVD|CNWA|CTHD|CTKA) - 118 kW / 160 HP
1.4 TSI (CZDA) - 110 kW / 150 HPCADDY ALLTRACK IV MPV (SAB) 2015 - 2021 

CADDY III Box Body/MPV (2KA, 2KH, 2CA, 2CH) 2004 - 2016

2.0 TDI (CFHC|CLCB) - 103 kW / 140 HP
2.0 TDI (CLCA) - 81 kW / 110 HP

CADDY III MPV (2KB, 2KJ, 2CB, 2CJ) 2004 - 2016

1.6 (BGU|BSE|BSF) - 75 kW / 102 HP
1.6 TDI (CAYE) - 55 kW / 75 HP
1.9 TDI (BJB|BLS) - 77 kW / 105 HP
2.0 EcoFuel (BSX) - 80 kW / 109 HP
2.0 SDI (BDJ|BST) - 51 kW / 70 HP
2.0 TDI (CLCA) - 81 kW / 110 HP

CADDY IV Box Body/MPV (SAA, SAH) 2015 - 2022

1.6 (BGU|BSE|BSF) - 75 kW / 102 HP
1.9 TDI (BJB|BLS) - 77 kW / 105 HP
2.0 EcoFuel (BSX) - 80 kW / 109 HP
2.0 TDI (CLCA) - 81 kW / 110 HP
2.0 TDI 16V (CFHC|CLCB) - 103 kW / 140 HP

CADDY IV MPV (SAB, SAJ) 2015 - 2022

1.6 SRE (CWVA) - 81 kW / 110 HP
1.6 TDI (CAYD) - 75 kW / 102 HP
1.6 TDI (CAYE) - 55 kW / 75 HP
2.0 TDI (CFHC|CLCB) - 103 kW / 140 HP
2.0 TDI (CLCA) - 81 kW / 110 HP

1.0 TSI (CHZG|DKRE) - 75 kW / 102 HP
1.6 TDI (CAYD) - 75 kW / 102 HP
2.0 TDI (CFHC|CLCB) - 103 kW / 140 HP
2.0 TDI (CLCA) - 81 kW / 110 HP

CC B6 (357) 2009 - 2012

2.0 TDI (CBBB|CFGB|CLLA) - 125 kW / 170 HP
2.0 TFSI (CAWB|CCZA) - 147 kW / 200 HP
2.0 TSI (CCZB) - 155 kW / 211 HP
3.6 FSI 4motion (BWS) - 220 kW / 300 HP

CC B7 (358) 2011 - 2017

1.8 TSI (CDAA) - 118 kW / 160 HP
2.0 TDI (CFGB|CLLA) - 125 kW / 170 HP
2.0 TDI (CFGC) - 130 kW / 177 HP
2.0 TSI (CCZB) - 155 kW / 210 HP
3.6 FSI 4motion (BWS) - 220 kW / 300 HP

EOS (1 F7, 1 F8) 2007 - 2011

1.4 TSI (CAVD|CTHD) - 118 kW / 160 HP
2.0 FSI (BVY|BVZ) - 110 kW / 150 HP
2.0 TFSI (BWA|CAWB|CBFA|CCZA) - 147 kW / 200 HP

GOLF V (1 K1) 2003 - 2009

1.6 (BGU|BSE|BSF|CCSA) - 75 kW / 102 HP
1.9 TDI (BKC|BLS|BXE) - 77 kW / 105 HP
2.0 FSI (AXW|BLR|BLX|BLY|BVX|BVY|BVZ) - 110 kW / 150 HP
2.0 GTI (AXX|BWA|CAWB) - 147 kW / 200 HP
2.0 TDI 16V (BKD) - 103 kW / 140 HP
3.2 R32 4motion (BUB|CBRA) - 184 kW / 250 HP

GOLF VI (5K1) 2008 - 2013

1.4 TSI (CAVD|CNWA|CTHD) - 118 kW / 160 HP
1.4 TSI (CAXA) - 90 kW / 122 HP
1.6 (BSE|BSF|CCSA|CMXA) - 75 kW / 102 HP
1.6 TDI (CAYC) - 77 kW / 105 HP
2.0 GTi (CCZB) - 155 kW / 210 HP
2.0 GTI Edition 35 (CDLG) - 173 kW / 235 HP
2.0 R 4motion (CDLC|CRZA) - 188 kW / 256 HP
2.0 TDI (CBAB|CFFB|CJAA) - 103 kW / 140 HP

GOLF VI Cabriolet (517) 2012 - 2017

1.4 TSI (CAVD|CNWA|CTHD|CTKA) - 118 kW / 160 HP
1.4 TSI (CAXA) - 90 kW / 122 HP
1.4 TSI (CHPB|CZDA) - 110 kW / 150 HP
1.4 TSI (CXSB|CZCA) - 92 kW / 125 HP
2.0 GTI (CCZB) - 155 kW / 211 HP
2.0 TSI (CULC) - 162 kW / 220 HP

GOLF VI Van (5K1) 2008 - 2012

1.4 TSi (CAVD) - 118 kW / 160 HP
1.6 TDi BlueMotion (CAYC) - 77 kW / 105 HP
2.0 TDi (CFFB|CJAA) - 103 kW / 140 HP
TSi (CAXA) - 90 kW / 122 HP

JETTA V (1K2) 2005 - 2011 

1.4 TSI (CAVD) - 118 kW / 160 HP
1.4 TSI (CAXA) - 90 kW / 122 HP
1.6 (BGU|BSE|BSF|CCSA) - 75 kW / 102 HP
1.6 TDI (CAYC) - 77 kW / 105 HP
1.9 TDI (BKC|BLS|BXE) - 77 kW / 105 HP
2.0 FSI (BLR|BLX|BLY|BVY|BVZ) - 110 kW / 150 HP
2.0 TDI 16V (BKD|CBDB|CJAA) - 103 kW / 140 HP
2.0 TFSI (AXX|BPY|BWA|CAWB|CBFA|CCTA) - 147 kW / 200 HP

JETTA VI (162, 163, AV3, AV2) 2010 - 2025

1.2 TSI (CBZB) - 77 kW / 105 HP
1.4 TSI (CAVD|CTHD) - 118 kW / 160 HP
1.4 TSI (CAXA|CMSB) - 90 kW / 122 HP
1.4 TSI (CZCA) - 92 kW / 125 HP
1.4 TSI (CZDA|CZTA) - 110 kW / 150 HP
1.6 (CFNA|CLRA) - 77 kW / 105 HP
1.6 TDI (CAYC) - 77 kW / 105 HP
2.0 TDI (CFFB|CFHC|CJAA|CLCB) - 103 kW / 140 HP

PASSAT B6 (3C2) 2005 - 2011

1.8 TSI (BZB|CDAA) - 118 kW / 160 HP
1.9 TDI (BKC|BLS|BXE) - 77 kW / 105 HP
2.0 FSI (BLR|BLY|BVX|BVY|BVZ) - 110 kW / 150 HP
2.0 TDI (CBDC) - 81 kW / 110 HP
2.0 TDI 16V (BKP|CBAB) - 103 kW / 140 HP
2.0 TFSI (AXX|BPY|BWA|CAWB|CBFA|CCTA|CCZA) - 147 kW / 200 HP
3.2 FSI 4motion (AXZ) - 184 kW / 250 HP

PASSAT B7 (362) 2011 - 2016

1.8 TSI (CDAA) - 118 kW / 160 HP
2.0 TDI (CFFB) - 103 kW / 140 HP

SCIROCCO III (137, 138) 2009 - 2018

1.4 TSI (CAVD|CNWA|CTHD|CTKA) - 118 kW / 160 HP
2.0 R (CDLC) - 188 kW / 256 HP
2.0 TFSI (CAWB) - 147 kW / 200 HP
2.0 TSI (CCZB) - 155 kW / 210 HP
2.0 TSI (CULA) - 132 kW / 180 HP
2.0 TSI (CULC) - 162 kW / 220 HP

SCIROCCO Van (137) 2009 - 2014

2.0 TFSi (CCZB) - 155 kW / 211 HP

TIGUAN (5N_) 2007 - 2018

1.4 TSI (BWK|CAVA|CTHA) - 110 kW / 150 HP
1.4 TSI (CAVD|CTHD) - 118 kW / 160 HP
1.4 TSI (CAXA) - 90 kW / 122 HP
1.4 TSI 4motion (BWK|CAVA|CTHA) - 110 kW / 150 HP
1.4 TSI 4motion (CAVD|CTHD) - 118 kW / 160 HP
2.0 TDI (CFFD|CUVE) - 81 kW / 110 HP
2.0 TDI 4motion (CBAB|CFFB|CLJA) - 103 kW / 140 HP
2.0 TFSI 4motion (CAWB|CCTA|CCZA) - 147 kW / 200 HP
2.0 TSI 4motion (CCZB) - 155 kW / 211 HP

TIGUAN VAN (5N_) 2007 - 2018

1.4 TSI (5N2) (CTHD) - 118 kW / 160 HP
2.0 TDI (5N1, 5N2) (CFFB) - 103 kW / 140 HP
2.0 TDI 4motion (5N1, 5N2) (CBAB|CFFB|CLJA) - 103 kW / 140 HP
2.0 TSI 4motion (5N1) (CCZA) - 147 kW / 200 HP
2.0 TSI 4motion (5N2) (CCZB) - 155 kW / 211 HP

TOURAN (1T1, 1T2) 2003 - 2011

1.6 (BGU|BSE|BSF) - 75 kW / 102 HP
1.9 TDI (BKC|BLS|BXE) - 77 kW / 105 HP
2.0 FSI (AXW|BLR|BLX|BLY|BVY|BVZ) - 110 kW / 150 HP
2.0 TDI 16V (BKD) - 103 kW / 140 HP

TOURAN (1T3) 2010 - 2016

1.2 TSI (CBZB) - 77 kW / 105 HP
1.4 TSI (CAVC|CTHC) - 103 kW / 140 HP
1.6 TDI (CAYC) - 77 kW / 105 HP
2.0 TDI (CFHF|CLCA) - 81 kW / 110 HP

TOURAN VAN (1T1, 1T2) 2003 - 2007

2.0 FSI (BLR|BLX|BLY|BVY|BVZ) - 110 kW / 150 HP

TOURAN VAN (1T3) 2010 - 2015 

1.4 TSI (CAVC|CTHC) - 103 kW / 140 HP

Why Buy From Us?

• 🇿🇦 Local South African stock

• ✅ Fast shipping & support

• 💸 Affordable OEM-alternative

• 🔧 Perfect for professional workshops or DIY mechanics