Applications: for VAUXHALL ASTRA GTC Mk VI (J) 2.0 CDTi 2.0 10/2011 for VAUXHALL ASTRA Mk VI (J) 2.0 CDTi 2.0 12/2009 Fits these engine codes: For Astra J Mk VI - A20DTH, Y20DTJ, Z20DTJ, and A20DTR ONLY For Cascada Mk I - A20DTH, A20DTR ONLY For Insignia Mk I - A20DT, A20DTC, A20DTE, A20DTH, A20DTJ, A20DTL and A20DTR ONLY For Zafira C Mk III - A20DTL, Y20DTJ, Z20DTJ ,and A20DTH OEM / Part Number: 55566000, 055566000 ,5646270,OP317,102-00-011 157-OP-OP04,LP9504,ENT069217,77SKV014,PU0123 OP317,179045,1151134,OP5556,OP-OP04,OPOP04JM 157OP04,79705,42-0041,8000018,BPO-PL-004,7.02266.01.0 SKOPM-1700047,33104785,625107,V40-1694,WG1025886 WG1907515,WG1940953,WG2153970,WG2153971 Specification: Material: Aluminium Package included: 1* Oil Pump Easy to install, Direct replacement. Feature: 1.Efficient Oil Supply: Advanced gear or rotor design ensures stable oil pressure increase, providing sufficient lubrication to engine components, prolonging engine life. 2.Stable Performance: Rigorous quality