NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2003 | Acura | CL | Type-S |
| 2002-2003 | Acura | TL | Type-S |
| 2006-2010 | BMW | 550i | Base |
| 2006-2010 | BMW | 650i | Base |
| 2006-2008 | BMW | 750i | Base |
| 2006-2008 | BMW | 750Li | Base |
| 2007-2008 | BMW | X5 | 4.8i |
| 2004-2006 | BMW | X5 | 4.8is |
| 2009-2010 | BMW | X5 | xDrive48i |
| 2009-2011 | Chevrolet | Aveo | LS |
| 2009-2011 | Chevrolet | Aveo | LT |
| 2009-2011 | Chevrolet | Aveo5 | LS |
| 2009-2011 | Chevrolet | Aveo5 | LT |
| 2007 | Chrysler | Aspen | Limited |
| 1997-1998 | Dodge | B1500 | Base |
| 1997-1998 | Dodge | B2500 | Base |
| 1997-1998 | Dodge | B3500 | Base |
| 1997-2004 | Dodge | Dakota | Base |
| 2009-2010 | Dodge | Dakota | Big Horn |
| 2005-2007,2010 | Dodge | Dakota | Laramie |
| 2009-2010 | Dodge | Dakota | Lone Star |
| 1998-2003 | Dodge | Dakota | R/T |
| 1997-2008 | Dodge | Dakota | SLT |
| 2004 | Dodge | Dakota | SLT Plus |
| 1997-2005,2008 | Dodge | Dakota | Sport |
| 2004 | Dodge | Dakota | Sport Plus |
| 2005-2010 | Dodge | Dakota | ST |
| 2002,2004,2008 | Dodge | Dakota | SXT |
| 2008 | Dodge | Dakota | TRX |
| 2008-2009 | Dodge | Dakota | TRX4 |
| 2006-2007 | Dodge | Durango | Adventurer |
| 1998-2001 | Dodge | Durango | Base |
| 2004-2007 | Dodge | Durango | Limited |
| 2000-2003 | Dodge | Durango | R/T |
| 2009 | Dodge | Durango | SE |
| 1998-2009 | Dodge | Durango | SLT |
| 1999-2000,2002-2003 | Dodge | Durango | SLT Plus |
| 2000,2002-2003 | Dodge | Durango | Sport |
| 2004-2005 | Dodge | Durango | ST |
| 2003,2005-2008 | Dodge | Durango | SXT |
| 2010-2011 | Dodge | Nitro | Heat |
| 2009-2011 | Dodge | Nitro | SE |
| 2007-2009 | Dodge | Nitro | SLT |
| 2007-2008,2010-2011 | Dodge | Nitro | SXT |
| 1997-2001,2003-2004,2006 | Dodge | Ram 1500 | Laramie |
| 1997 | Dodge | Ram 1500 | LT |
| 2002-2007 | Dodge | Ram 1500 | SLT |
| 1997-2001 | Dodge | Ram 1500 | Sport |
| 1998 | Dodge | Ram 1500 | SS/T 5.9L |
| 1997-2010 | Dodge | Ram 1500 | ST |
| 2008 | Dodge | Ram 1500 | SXT |
| 2006-2007 | Dodge | Ram 1500 | TRX4 |
| 1997-2001 | Dodge | Ram 1500 | WS |
| 1999-2003 | Dodge | Ram 1500 Van | Base |
| 1997-2002 | Dodge | Ram 2500 | Base |
| 2003 | Dodge | Ram 2500 | Laramie |
| 2003 | Dodge | Ram 2500 | SLT |
| 2003 | Dodge | Ram 2500 | ST |
| 1999-2003 | Dodge | Ram 2500 Van | Base |
| 1997-2002 | Dodge | Ram 3500 | Base |
| 2003 | Dodge | Ram 3500 | Laramie |
| 2003 | Dodge | Ram 3500 | SLT |
| 2003 | Dodge | Ram 3500 | ST |
| 1999-2003 | Dodge | Ram 3500 Van | Base |
| 1991-1992 | Ford | Probe | Base |
| 1989-1992 | Ford | Probe | GL |
| 1989-1997 | Ford | Probe | GT |
| 1989 | Ford | Probe | LX |
| 2001-2005 | Honda | Civic | DX |
| 2001-2005 | Honda | Civic | EX |
| 2005 | Honda | Civic | EX Special Edition |
| 2001-2005 | Honda | Civic | HX |
| 2001-2005 | Honda | Civic | LX |
| 2005 | Honda | Civic | LX Special Edition |
| 2004-2005 | Honda | Civic | Value Package |
| 1999-2001 | Honda | CR-V | EX |
| 1999-2001 | Honda | CR-V | LX |
| 2000-2001 | Honda | CR-V | SE |
| 1997-2001 | Honda | Prelude | Base |
| 1995 | Honda | Prelude | SE |
| 1992-1996 | Honda | Prelude | Si |
| 1992 | Honda | Prelude | Si 4WS |
| 1997-2001 | Honda | Prelude | Type SH |
| 1993-1996 | Honda | Prelude | VTEC |
| 2006 | Jeep | Commander | 65th Anniversary Edition |
| 2006-2007 | Jeep | Commander | Base |
| 2006-2007 | Jeep | Commander | Limited |
| 2007-2010 | Jeep | Commander | Sport |
| 2006 | Jeep | Grand Cherokee | 65th Anniversary Edition |
| 1999-2010 | Jeep | Grand Cherokee | Laredo |
| 1999-2007,2010 | Jeep | Grand Cherokee | Limited |
| 2004 | Jeep | Grand Cherokee | Special Edition |
| 2002 | Jeep | Grand Cherokee | Sport |
| 2006 | Jeep | Liberty | 65th Anniversary Edition |
| 2012 | Jeep | Liberty | Jet |
| 2002-2012 | Jeep | Liberty | Limited |
| 2002-2006,2010-2011 | Jeep | Liberty | Renegade |
| 2005 | Jeep | Liberty | Rocky Mountain Edition |
| 2002-2012 | Jeep | Liberty | Sport |
| 1990-1992 | Mazda | 626 | DX |
| 1990-1991 | Mazda | 626 | GT |
| 1991 | Mazda | 626 | LE |
| 1990-1992 | Mazda | 626 | LX |
| 1990-1992 | Mazda | MX-6 | DX |
| 1990-1992 | Mazda | MX-6 | GT |
| 1990 | Mazda | MX-6 | GT 4WS |
| 1991 | Mazda | MX-6 | LE |
| 1990-1992 | Mazda | MX-6 | LX |
| 2003 | Mazda | Protege | Mazdaspeed |
| 2006-2007 | Mitsubishi | Raider | DuroCross |
| 2006-2009 | Mitsubishi | Raider | LS |
| 1992 | Plymouth | Colt | Vista |
| 1992 | Plymouth | Colt | Vista SE |
| 2009-2010 | Pontiac | G3 | Base |
| 2011-2012 | Ram | 1500 | ST |
| 2011 | Ram | Dakota | Big Horn |
| 2011 | Ram | Dakota | Laramie |
| 2011 | Ram | Dakota | ST |