Q5 (2008-17). Coolant Expansion Header Tank with Sensor and Cap. A5 (2011-17). A4 B8 (2007-15). SQ5 TDi - Engine Codes: CGQB, CVUB, CVUC, DEHA. 3.0 TDi - Engine Codes: CCWA, CDUD, CPNB, CTBA, CTBC. 3.0 TDi - Engine Codes: CDUC, CKVB, CKVC, CKVD, CLAB.
