Opel Astra 1.6 LPG Engine codes: Z 16 XER 2009-2010. Vauxhall Astra 1.6 16V Engine codes: Z 16 XEP 2003-2005. Vauxhall Astra 1.6 i 16V Engine codes: A 16 XER;Z 16 XER 2006-2010. Vauxhall Astra 1.6 Engine codes: A 16 LET;Z 16 LET 2006-2010.
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