Attention!!! my friend! Our spark plugs are sold by "piece", not by "box" or "set". Because every buyer's need is different, some buyers only need 1 piece. So please make sure you are buying 1 piece or other quantity becompatible fore you buy. Thank you compatible for your support and understanding. 1/4Pcs Iridium Platinum Spark Plug compatible for CHEVROLET CRUZE 1.8 2011- VOLT EREV OPEL ZAFIRA ASTRA H/J 95609 55580961 IFR6Z7G High Quality Size Thread Length : 19mm Spanner Size : 16 mm Thread Diameter: 14mm Installation Torque Value: 25-30 OE Numbers IFR6Z7G, 55580961,55585534 Suitable Model compatible for CHEVROLET CRUZE Hatchback J305 1.8 2011- Engine: 2H0 compatible for CHEVROLET VOLT EREV 2011- Engine: LUU compatible for OPEL ASTRA H A04 1.6 L48 2006-2014 Engine: A 16 XER,Z 16 XER compatible for OPEL ASTRA H A04 1.8 L48 2006-2010 Engine: A 18 XER,Z 18 XER compatible for OPEL ASTRA H CLASSIC Estate A04 1.6 L35 2006-2014 Engine: Z 16 XER compatible for OPEL ASTRA H CLASSIC Estate A04 1.8 L35 2012-2014 Engine: Z 18 XER compatible for OPEL ASTRA H CLASSIC Hatchback A04 1.6 L48 2009- Engine: Z 16 XER compatible for OPEL ASTRA H CLASSIC Hatchback A04 1.8 L48 2013- Engine: Z 18 XER compatible for OPEL ASTRA H CLASSIC Saloon A04 1.6 L69 2009-2014 Engine: Z 16 XER compatible for OPEL ASTRA H CLASSIC Saloon A04 1.8 L69 2007-2012 Engine: Z 18 XER compatible for OPEL ASTRA H Estate A04 1.6 L35 2006-2014 Engine: A 16 XER,Z 16 XER compatible for OPEL ASTRA H Estate A04 1.6 LPG L35 2009-2010 Engine: Z 16 XER compatible for OPEL ASTRA H Estate A04 1.8 L35 2005-2014 Engine: A 18 XER,Z 18 XER compatible for OPEL ASTRA H Saloon A04 1.8 L69 2007-2012 Engine: A 18 XER,Z 18 XER compatible for OPEL ASTRA H TwinTop A04 1.8 L67 2005-2010 Engine: A 18 XER,Z 18 XER compatible for OPEL ASTRA J P10 1.6 68 2009-2015 Engine: A 16 XER,B 16 XER compatible for OPEL ASTRA J GTC 1.8 08 2011-2015 Engine: A 18 XER compatible for OPEL ASTRA J Saloon 1.6 69 2012- Engine: A 16 XER,B 16 XER compatible for OPEL ASTRA J Sports Tourer P10 1.6 35 2010-2015 Engine: A 16 XER,B 16 XER compatible for OPEL CORSA D S07 1.2 LPG L08, L68 2011-2014 Engine: A 12 XER compatible for OPEL CORSA D S07 1.4 LPG L08, L68 2009-2014 Engine: A 14 XEL compatible for OPEL CORSA D Hatchback Van S07 1.0 L08 2010-2014 Engine: A 10 XEP compatible for OPEL CORSA D Hatchback Van S07 1.2 L08 2010-2014 Engine: A12 XER compatible for OPEL INSIGNIA A G09 1.6 68 2008-2017 Engine: A 16 XER compatible for OPEL INSIGNIA A G09 1.8 68 2008-2017 Engine: A 18 XER,B 18 XER compatible for OPEL INSIGNIA A Saloon G09 1.6 69 2008-2017 Engine: A 16 XER compatible for OPEL INSIGNIA A Saloon G09 1.8 69 2008-2017 Engine: A 18 XER,B 18 XER compatible for OPEL INSIGNIA A Sports Tourer G09 1.6 35 2008-2012 Engine: A 16 XER compatible for OPEL INSIGNIA A Sports Tourer G09 1.8 35 2008-2017 Engine: A 18 XER,B 18 XER compatible for OPEL MOKKA / MOKKA X J13 1.6 _76 2012- Engine: A 16 XER,B 16 XER,D 16 XER compatible for OPEL MOKKA / MOKKA X J13 1.8 _76 2013- Engine: A 18 XER compatible for OPEL MOKKA / MOKKA X J13 1.8 4x4 _76 2013- Engine: A 18 XER compatible for OPEL ZAFIRA / ZAFIRA FAMILY B A05 1.6 M75 2008-2015 Engine: A 16 XER,Z 16 XER compatible for OPEL ZAFIRA / ZAFIRA FAMILY B A05 1.6 CNG Turbo M75 2010-2015 Engine: A 16 XNT,Z 16 XNT compatible for OPEL ZAFIRA / ZAFIRA FAMILY B A05 1.8 M75 2013-2015 Engine: A 18 XEL compatible for OPEL ZAFIRA / ZAFIRA FAMILY B A05 1.8 M75 2005-2015 Engine: A 18 XER,Z 18 XER compatible for OPEL ZAFIRA B Box Body/MPV A05 1.6 CNG Turbo VAN M75 2009-2015 Engine: A 16 XNT,Z 16 XNT compatible for OPEL ZAFIRA B Box Body/MPV A05 1.8 VAN M75 2005-2015 Engine: A 18 XER,Z 18 XER compatible for OPEL ZAFIRA TOURER C P12 1.6 CNG 75 2011- Engine: A 16 XNT,B 16 XNT compatible for OPEL ZAFIRA TOURER C P12 1.8 75 2011- Engine: A 18 XEL compatible for OPEL ZAFIRA TOURER C P12 1.8 75 2011- Engine: A 18 XER compatible for VAUXHALL ASTRA Mk V H A04 1.6 L48 2004-2009 Engine: A 16 XER,Z 16 XER compatible for VAUXHALL ASTRA Mk VI J GTC P10 1.4 2011-2015 Engine: A 14 XER compatible for VAUXHALL CORSA Mk III D S07 1.0 i 12V L08 2010-2014 Engine: A 10 XEP Package Included 1/4 x Auto Spark Plugs Automotive spark plugs are available in the following materials: 1Nickel alloy. It is the lowest quality one in the spark plug. High-end models can not keep up with the percompatible formance at all, only suitable compatible for low-end models with many low-end car spark plug degree are used nickel alloy, life cycle of 1-2W km; 2iridium. This is now the most mainstream a high efficiency spark plug, percompatible formance and effect will be better than the , so also known as enhanced iridium spark plug. Stability is currently the best, life cycle of 6W km; 3platinum. This is a spark plug belongs to the middle of t