【Long Service Life】Iridium Spark Plugs are engineered for original equipment and replacement applications. Every component either matches or improves on the OE design to ensure fast and easy installation with superior performance and reliability and provide long service life. 【Improved Fuel Efficiency, Lower Emissions and Quicker starts】Iridium offers better engine idle stability and smoother performance,allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration. 【One Piece Suppressor Seal】One piece suppressor seal blocks radio frequencies that can affect vehicle electronics.Suppressor seal meters spark energy for longer electrode life and seals against combustion leakage.Compatible with 2011-2011 Savana 1500 4.3L V6
2010-2013 Sierra 1500 4.3L V6
1996-1999 Oldsmobile 88 3.8L V6
1996 Oldsmobile 98 3.8L V6
2002-2003 Alero 3.4L V6
1998-1999 Intrigue 3.8L V6
1996-1999 LSS 3.8L V6
1997-1998 Regency 3.8L V6
2002-2004 Silhouette 3.4L V6 【Fitment】Compatible with 2005-2009 Allure 3.5L V6
2002-2005 Century 3.1L V6
2005-2009 Lacrosse 3.8L V6
1996-2005 Lesabre 3.8L V6
2006-2008 Lucerne 3.8L V6
1999 Park Avenue 3.8L V6
1996-1997, 1999, 2001 Regal 3.1L, 3.8L V6
2002-2007 Rendezvous 3.4L, 3.5L V6
1996-1999 Riviera 3.8L V6
2005-2006 Terraza 3.5L V6 【Replaces Part Number】 12568387, 25161444, 41-101, ITR4A15, XP606, IT16, 5325, HR9DI33Y, 0242225627 Compatible with 1997-1998 Camaro 3.8L V6
2005-2008 Equinox 3.4 V6
2010-2014 Express 1500
2000-2003 Impala 3.4L, 3.8L V6
1999-1999 Lumina 3.8L V6
2002-2003 Malibu 3.1L V6
1999 Monte Carlo 3.1L, 3.4L, 3.8L V6
2010-2013 Silverado 1500 4.3L V6
2005-2006 Uplander 3.5L V6
2002-2005 Venture 3.4L V6 Compatible with these Vehicles:
Buick
"2005-2009Allure 3.5L V6"
"2002-2005Century 3.1L V6"
"2005-2009Lacrosse 3.8L V6"
"1996-2005Lesabre 3.8L V6"
"2006-2008Lucerne 3.8L V6"
"1999 Park Avenue 3.8L V6"
"1996-1997, 1999, 2001 Regal 3.1L, 3.8L V6"
"2002-2007Rendezvous 3.4L, 3.5L V6"
"1996-1999Riviera 3.8L V6"
"2005-2006Terraza 3.5L V6"
Chevrolet
"1997-1998Camaro 3.8L V6"
"2005-2008Equinox 3.4 V6"
"2010-2014Express 1500"
2000-2003 Impala 3.4L, 3.8L V6
"1999-1999Lumina 3.8L V6"
2002-2003 Malibu 3.1L V6
"1999 Monte Carlo 3.1L, 3.4L, 3.8L V6"
"2010-2013Silverado 1500 4.3L V6"
"2005-2006Uplander 3.5L V6"
"2002-2005Venture 3.4L V6"
GMC
2011-2011 Savana 1500 4.3L V6
"2010-2013Sierra 1500 4.3L V6"
Oldsmobile
"1996-199988 3.8L V6"
"1996 98 3.8L V6"
"2002-2003Alero 3.4L V6"
"1998-1999Intrigue 3.8L V6"
"1996-1999LSS 3.8L V6"
"1997-1998Regency 3.8L V6"
"2002-2004Silhouette 3.4L V6"
Pontiac
"2002-2005Aztek 3.4L V6"
"1996-2003Bonneville 3.8L V6"
"1996-2002Firebird 3.8L V6"
"2005 G6 3.5L V6"
"2002-2005Grand Am 3.4L V6"
"1997-2008Grand Prix 3.1L, 3.8L V6"
"2002-2006Montana 3.4L, 3.5L V6"
2006-2008 Torrent 3.4L V6
Saturn
"2005-2006Relay 3.5L V6"

Package Include:6 X Iridium Spark Plug