Engine Coolant Reservoir Replacement for A7 A6 Expansion Recovery Tank # 4G0121403G

Part Number:4G0121403G, 4G0121403AC, 4G0121403AG, 3B0121321 2011-2018 for A6 2.0T GAS CAEB,CDNB,CAED,CYPA,CYNB,CYPB 2011-2018 for A6 2.0T DIESEL CGLD,CGLC，CMGB,CGLE,CNHA,CNHA,CSUE,CSUD,CJZA,DDCA,DDCB,DDDA,CSUB 2011-2018 for A6 2.8L GAS CHVA 2011-2018 for A6 3.0T GAS CGWB,CGXB,CGWD,CTUA,CREC,CREH 2011-2018 for A6 3.0T DIESEL CLAB,CDUC,CLAA,CGQB，CKVB,CDUD,CKVC,CPNB，CTCB,CTCC,CVUA,CVUB 2011-2018 for A6 4.0T GAS CEUC, CTGE 2015-2018 for A6 1.8T GAS CYGA 2011-2018 for A7 2.5L GAS CLXB 2011-2018 for A7 2.8L GAS CHVA,CNYA，CVPA 2011-2018 for A7 3.0T GAS CGWB,CGXB,CGWD,CTUA,CYUA,CTTA，CREC,CREH 2011-2018 for A7 4.0T GAS CEUC，CTGE 2011-2018 for A7 3.0T DIESEL CLAB,CDUC,CLAA,CGQB, CKVB,CDUD,CKVC,CPNB，CDUD,CTCB,CTCC,CVUA,CVUB 2015-2018 for A7 1.8T GAS CYGA 2015-2018 for A7 2.0T GAS CYPA,CYNB,CYPB 2010-2017 for A8 2.0T CHJA (hybrid power) 2013-2018 for RS6 4.0T GAS CRDB，CWUB,CWUC 2014-2018 for RS7 4.0T GAS CRDB，CWUB,CWUC

• 【Coolant Overflow Reservoir Part Number】: 4G0121403G, 4G0121403AC, 4G0121403AG, 3B0121321
• 【Product Contents】: 1x Expension Recovery tank with cap
• 【Important Note】: Please check the fitment details or use the year, make, model in the Amazon Fitment Filter System to confirm the compatibility before placing order. (Or send us the VIN number of the 17 digit vehicle)
• 【Maintenance】: Over time, the plastic of the coolant reservoir can become brittle and crack, leading to leaks. It is important to inspect the reservoir for signs of wear and replace it if necessary to prevent coolant loss and potential engine damage