Aftermarket Coolant Expansion Tank Cap / Water Bottle Cap – 1.6 Bar Pressure Relief Cap for Audi & Volkswagen Models
Product Description
Maintain proper cooling system pressure and protect your engine from overheating with this high-quality aftermarket Coolant Expansion Tank Cap (Water Bottle Cap). Designed to OEM specifications, this cap regulates cooling system pressure at 1.6 Bar (160 kPa / 23 PSI), helping prevent coolant loss, overheating and damage to cooling system components.
Manufactured from durable Glass Fibre Reinforced Plastic (GRP) and Polyamide 6.6, this cap offers excellent resistance to heat, pressure, and chemical exposure. Supplied complete with an integrated sealing gasket for a secure, leak-free fit.
Perfect for replacing worn, damaged, or leaking coolant reservoir caps on a wide range of Audi and Volkswagen vehicles.
Key Features
✔ OEM-quality aftermarket replacement
✔ Maintains correct cooling system pressure
✔ Opening pressure: 1.6 Bar (160 kPa / 23 PSI)
✔ Integrated sealing gasket included
✔ Durable GRP (Glass Fibre Reinforced Plastic) construction
✔ High-temperature resistant Polyamide 6.6 material
✔ Screw-on mounting design
✔ Direct replacement fitment
✔ Helps prevent coolant leaks and overheating
Technical Specifications
Specification Details
Product Type Coolant Expansion Tank Cap / Water Bottle Cap
Colour Black
Material GRP (Glass Fibre Reinforced Plastic)
Material Polyamide 6.6
Mounting Type Screw Connection
Thread Type External Thread
Opening Pressure 1.6 Bar
Opening Pressure 160 kPa
Opening Pressure 23 PSI
Seal Included Yes
AUDI
A1/S1 (8X1, 8XK) 2011 - 2019
1.8 TFSI (DAJB) - 141 kW / 192 HP
S1 quattro (CWZA) - 170 kW / 231 HP
A1/S1 Sportback (8XA, 8XF) 2012 - 2019
1.8 TFSI (DAJB) - 141 kW / 192 HP
S1 quattro (CWZA) - 170 kW / 231 HP
A1 Sportback (GBA) 2018-2026
30 TFSI (DKJA|DKRF|DUSA) - 85 kW / 116 HP
35 TFSI (DADA|DPCA|DXDB) - 110 kW / 150 HP
40 TFSI (CZPC|DKZC) - 147 kW / 200 HP
A3 / S3 (8V1, 8VK) 2012 - 2018
1.0 TFSI (CHZD) - 85 kW / 115 HP
1.2 TFSI (CJZA) - 77 kW / 105 HP
1.2 TFSI (CYVB) - 81 kW / 110 HP
1.4 TFSI (CMBA|CXSA) - 90 kW / 122 HP
1.4 TSI (CZEA) - 110 kW / 150 HP
1.6 TDI (CLHA) - 77 kW / 105 HP
1.8 TFSI (CJSA) - 132 kW / 180 HP
1.8 TFSI quattro (CJSB) - 132 kW / 180 HP
2.0 TDI (CRFC) - 105 kW / 143 HP
2.0 TFSI (CZPB) - 140 kW / 190 HP
S3 quattro (CJXB) - 206 kW / 280 HP
S3 quattro (CJXG|DJHA) - 228 kW / 310 HP
A3 / S3 Saloon (8VS, 8VM) 2013 - 2021
1.0 TFSI (CHZD) - 85 kW / 115 HP
1.4 TFSI (CXSA) - 90 kW / 122 HP
1.4 TFSI (CXSB|CZCA) - 92 kW / 125 HP
1.4 TSI (CZEA) - 110 kW / 150 HP
1.6 TDI (CLHA) - 77 kW / 105 HP
1.8 TFSI (CJSA|CJSB) - 132 kW / 180 HP
1.8 TFSI quattro (CJSB) - 132 kW / 180 HP
2.0 TDI (CRBC|CRLB|CRUA|DBGA|DCYA|DEJA|DFGA) - 110 kW / 150 HP
2.0 TDI (CRFC) - 105 kW / 143 HP
2.0 TFSI (CZPB|DKZA) - 140 kW / 190 HP
30 TFSI (DKRF) - 85 kW / 115 HP
35 TFSI (DADA|DPCA) - 110 kW / 150 HP
S3 quattro (CJXB) - 206 kW / 280 HP
S3 quattro (CJXG|DJHA) - 228 kW / 310 HP
A3 / S3 Saloon (8YS, 8YM) 2020-2026
35 TFSi (DJKA) - 110 kW / 150 HP
40 TFSI (CZPB) - 140 kW / 190 HP
40 TFSI (DNNA) - 140 kW / 190 HP
RS3 TFSI quattro (DNWC|DXHB) - 294 kW / 400 HP
S3 TFSI quattro (DNFF|DSFD) - 245 kW / 333 HP
A3 / S3 Sportback (8VA, 8VF) 2013-2021
1.0 TFSI (CHZD|DKRF) - 85 kW / 115 HP
1.2 TFSI (CJZA) - 77 kW / 105 HP
1.4 TFSI (CMBA|CXSA) - 90 kW / 122 HP
1.4 TSI (CZEA) - 110 kW / 150 HP
1.6 TDI (CLHA) - 77 kW / 105 HP
1.8 TFSI (CJSA|CJSB) - 132 kW / 180 HP
1.8 TFSI quattro (CJSB) - 132 kW / 180 HP
2.0 TDI (CRBC|CRLB|CRUA|DBGA|DCYA|DEJA|DFGA) - 110 kW / 150 HP
2.0 TDI (CRFC) - 105 kW / 143 HP
2.0 TFSI (CZPB|DKZA) - 140 kW / 190 HP
30 TFSI (DKRF) - 85 kW / 116 HP
35 TFSI (DADA|DPCA) - 110 kW / 150 HP
40 TFSI (DKZA) - 140 kW / 190 HP
S3 quattro (CJXB) - 206 kW / 280 HP
S3 quattro (CJXG|DJHA) - 228 kW / 310 HP
A3 / S3 Sportback (8YA, 8YF) 2021-2026
35 TFSi (DJKA) - 110 kW / 150 HP
40 TFSI (DNNA) - 140 kW / 190 HP
RS3 TFSI quattro (DNWC|DXHB) - 294 kW / 400 HP
S3 TFSI quattro (DNFF|DSFD) - 245 kW / 333 HP
S3 TFSI quattro (DUPA) - 213 kW / 290 HP
Q2 (GAB, GAG) 2016 - 2026
1.0 TFSI (CHZJ) - 85 kW / 115 HP
1.4 TFSI (CZEA) - 110 kW / 150 HP
2.0 TDI (CRFC) - 105 kW / 143 HP
30 TFSI (DKRF|DUSA) - 85 kW / 116 HP
35 TFSI (DJKA) - 110 kW / 150 HP
Q3 (8UB, 8UG) 2012 - 2019
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 (CULB) - 132 kW / 180 HP
Q3 (F3B) 2018 - 2026
35 TDI (DFGA|DTSA|DTSB|DXPA) - 110 kW / 150 HP
35 TFSI (CZDA) - 110 kW / 150 HP
40 TFSI quattro (CZPA) - 132 kW / 180 HP
Q3 Sportback (F3N) 2019-2026
35 TDI (DFGA|DTSA|DTSB|DXPA) - 110 kW / 150 HP
35 TFSI (CZDA) - 110 kW / 150 HP
40 TFSI quattro (CZPA) - 132 kW / 180 HP
TT (FV3, FVP) 2014 - 2026
1.8 TFSI (CJSA|CJSB) - 132 kW / 180 HP
2.0 TFSI (CHHC) - 169 kW / 230 HP
2.0 TFSI quattro (CHHC) - 169 kW / 230 HP
2.0 TTS quattro (CJXG) - 228 kW / 310 HP
2.0 TTS TFSI quattro (CJXF) - 210 kW / 286 HP
VOLKSWAGEN
AMAROK (2HA, 2HB, S1B, S6B, S7A, S7B, AGD) 2010-2023
2.0 BiTDI (CNEA|CSHA) - 132 kW / 180 HP
2.0 BiTDI 4motion (CNEA|CSHA) - 132 kW / 180 HP
2.0 TDI (CNFB) - 103 kW / 140 HP
2.0 TDI 4motion (CNFB) - 103 kW / 140 HP
3.0 TDI 4motion (DDXC|DDXD) - 165 kW / 224 HP
3.0 TDI 4motion (DDXE) - 190 kW / 258 HP
ARTEON (3H7, 3H8) 2017-2020
2.0 TDI (CRGA) - 130 kW / 177 HP
2.0 TSI 4motion (DJHC|DNFE) - 206 kW / 280 HP
BEETLE (5C1, 5C2) 2011-2026
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 HP
CADDY III Box Body/MPV (2KA, 2KH, 2CA, 2CH) 2004 - 2016
1.6 TDI (CAYE) - 55 kW / 75 HP
2.0 TDI (CLCA) - 81 kW / 110 HP
CADDY III MPV (2KB, 2KJ, 2CB, 2CJ) 2004 - 2016
2.0 TDI (CLCA) - 81 kW / 110 HP
2.0 TDI 16V (CFHC|CLCB) - 103 kW / 140 HP
CADDY IV Box Body/MPV (SAA, SAH) 2015-2022
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
CADDY IV MPV (SAB, SAJ) 2015-2022
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
CADDY V Box Body/MPV (SBA, SBH) 2020-2026
1.6 SRE (DWYA) - 81 kW / 110 HP
2.0 TDi (CRVD) - 81 kW / 110 HP
2.0 TDi (DTRE|DXRD) - 75 kW / 102 HP
CADDY V MPV (SBB, SBJ) 2020-2026
1.6 SRE (DWYA) - 81 kW / 110 HP
2.0 TDi (CRVD) - 81 kW / 110 HP
2.0 TDi (DTRE|DXRD) - 75 kW / 102 HP
CC B6 (357) 2009 - 2012
2.0 TDI (CBBB|CFGB|CLLA) - 125 kW / 170 HP
3.6 FSI 4motion (BWS) - 220 kW / 300 HP
CC B7 (358) 2011 - 2017
2.0 TDI (CFGB|CLLA) - 125 kW / 170 HP
2.0 TDI (CFGC) - 130 kW / 177 HP
3.6 FSI 4motion (BWS) - 220 kW / 300 HP
GOLF SPORTSVAN VII (AM1, AN1) 2014 - 2026
1.2 TSI (CYVB) - 81 kW / 110 HP
1.4 TSI (CZCA) - 92 kW / 125 HP
2.0 TDI (CRLD|CRVA|DCYB) - 81 kW / 110 HP
GOLF VII (5G1, BQ1, BE1, BE2) 2012-2026
1.0 TSI (CHZC) - 81 kW / 110 HP
1.2 TSI (CJZA) - 77 kW / 105 HP
1.2 TSI (CYVB) - 81 kW / 110 HP
1.4 TSI (CHPA|CPTA) - 103 kW / 140 HP
1.4 TSI (CMBA|CXSA) - 90 kW / 122 HP
1.4 TSI (CZCA) - 92 kW / 125 HP
1.4 TSI (CZDA|CZEA) - 110 kW / 150 HP
2.0 GTD (CRGA) - 130 kW / 177 HP
2.0 GTI (CHHA) - 169 kW / 230 HP
2.0 GTI (CHHB|CNTC|CXCB|CXDA) - 162 kW / 220 HP
2.0 GTI Clubsport (CJXE) - 195 kW / 265 HP
2.0 GTI Clubsport S (CJXG) - 228 kW / 310 HP
2.0 GTI TCR (CJXH|DNUC) - 213 kW / 290 HP
2.0 R 4motion (CJXB) - 206 kW / 280 HP
2.0 R 4motion (CJXD|DJHB|DNUC) - 213 kW / 290 HP
2.0 R 4motion (CJXG|DJHA) - 228 kW / 310 HP
2.0 TDI (CRBC|CRLB|CRMB|CRUA|DCYA|DEJA|DFGA) - 110 kW / 150 HP
2.0 TDI (CRVA|CYKB|DCYB|DEJB|DFGB) - 81 kW / 110 HP
GOLF VIII (CD1, DA1) 2021 - 2026
1.4 TSI (DJKA) - 110 kW / 150 HP
2.0 GTI (DLBA|DNPA|DRNA) - 180 kW / 245 HP
2.0 GTI (DNPD) - 195 kW / 265 HP
2.0 TSI R 4motion (DNFG|DSFE|DSFF) - 235 kW / 320 HP
JETTA VI (162, 163, AV3, AV2) 2010-2026
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 B8 (3G2, CB2) 2015-2019
1.4 TSI (CZDA|CZEA) - 110 kW / 150 HP
1.8 TSI (CJSA|CJSC) - 132 kW / 180 HP
2.0 TDI (CRGA) - 130 kW / 177 HP
2.0 TSI (CHHB|CXDA) - 162 kW / 220 HP
POLO III (6R1, 6C1) 2009 - 2018
1.8 GTI (DAJA|DAJB) - 141 kW / 192 HP
POLO III Saloon (602, 604, 612, 614) 2011-2022
1.4 (CLPA) - 63 kW / 85 HP
1.5 TDI (CWXB) - 77 kW / 105 HP
1.5 TDI (CWXC) - 81 kW / 110 HP
1.6 (CFNA) - 77 kW / 105 HP
1.6 TDI (CLNA) - 77 kW / 105 HP
POLO IV (AW1, BZ1, AE1) 2018-2026
1.0 TSI (CHZJ|DKJA|DKRF|DUSA|DXUA) - 85 kW / 116 HP
1.0 TSI (CHZL|DKLA|DLAC|DUSB|DXTA) - 70 kW / 95 HP
1.6 MPi (CWVB) - 66 kW / 90 HP
2.0 GTI (CZPC|DKZC) - 147 kW / 200 HP
POLO IV Saloon (BZ2) 2022 - 2026
1.6 MSI (CWSA) - 81 kW / 110 HP
TAIGO (CS1) 2022 - 2026
1.0 TSI (DUSA|DXUA) - 85 kW / 116 HP
T-CROSS (C11, D31) 2019-2026
1.0 TSi (CHZL|DKLA|DLAC|DUSB|DXTA) - 70 kW / 95 HP
1.0 TSi (DKJA|DKRF|DUSA|DXUA) - 85 kW / 116 HP
1.5 TSI (DADA|DPCA|DXDB) - 110 kW / 150 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 (AD1, AX1) 2016 - 2026
1.4 TSI (CZCA|CZDB) - 92 kW / 125 HP
1.4 TSI (CZDA|CZEA|DJVA) - 110 kW / 150 HP
2.0 TDI (CYKC) - 81 kW / 110 HP
2.0 TDI 4motion (CRFD) - 105 kW / 143 HP
2.0 TDI 4motion (CRGB) - 130 kW / 177 HP
2.0 TDI 4motion (DBGC|DFGA|DTSA|DTSB) - 110 kW / 150 HP
2.0 TSI 4motion (CHHB) - 162 kW / 220 HP
2.0 TSI R 4motion (DNFG|DSFE) - 235 kW / 320 HP
TIGUAN (CT1) 2024 - 2026
1.4 TSI (DJKA) - 110 kW / 150 HP
2.0 TDI 4motion (DFGA|DXPA) - 110 kW / 150 HP
2.0 TSI 4motion (DLBC) - 140 kW / 190 HP
TIGUAN ALLSPACE (BW2, BJ2) 2017-2026
1.4 TSI (CZDA|CZEA) - 110 kW / 150 HP
2.0 TDI 4motion (DBGC|DFGA|DTSA|DTSB) - 110 kW / 150 HP
2.0 TSI 4motion (CXDA|DNJA) - 162 kW / 220 HP
2.0 TSI 4motion (DGVA) - 132 kW / 180 HP
T-ROC (A11, D11) 2017 - 2026
1.4 TSI (DJKA) - 110 kW / 150 HP
2.0 TSI 4motion (CZPB|DKZA) - 140 kW / 190 HP
2.0 TSI 4motion (DNNA) - 140 kW / 190 HP
UP! (121, 122, BL1, BL2, BL3, 123) 2011 - 2019
1.0 (CHYB) - 55 kW / 75 HP