OE Part Number Reference: 93178821, 55566012, 5636346, 637272. Vauxhall Astra H Mk 5 - 2004-2014 - 1.9 CDTi - Z19DTJ, Z19DTH. Vauxhall Signum - 2003-2008 - 1.9 CDTi - Z19DTH. Vauxhall Astra J Mk 6 & GTC - 2010-2016 - 2.0 CDTi - A20DTH, Y20DTJ, Z20DTJ.
