Looking to upgrade your Mercury with a spark plug from NGK? We carry a great variety of NGK Iridium IX and other ignition performance parts for your Mercury.
We have 4 NGK Iridium IX available for Mercury models with free shipping to the Continental US 48 States.
Mercury NGK Iridium IX |
Mercury CapriView all Mercury Capri Spark Plugs |
 OUT OF STOCK 7243NGK Iridium IX Spark Plug Box of 4 (TR5-1IX) 1983-1983 Mercury Capri L 1983-1986 Mercury Capri GS 1983-1983 Mercury Capri Crimson Cat 1983-1983 Mercury Capri Black Magic 1983-1983 Mercury Capri Base $48.03
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OUT OF STOCK 7316NGK Iridium IX Spark Plug Box of 4 (TR55-1IX) 1984-1986 Mercury Capri GS 1986-1986 Mercury Capri 5.0 $48.03
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Mercury Colony ParkView all Mercury Colony Park Spark Plugs |
OUT OF STOCK 7316NGK Iridium IX Spark Plug Box of 4 (TR55-1IX) 1987-1991 Mercury Colony Park GS 1987-1991 Mercury Colony Park LS $48.03
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Mercury CougarView all Mercury Cougar Spark Plugs |
OUT OF STOCK 7243NGK Iridium IX Spark Plug Box of 4 (TR5-1IX) 1983-1984 Mercury Cougar LS 1983-1984 Mercury Cougar Base $48.03
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OUT OF STOCK 7316NGK Iridium IX Spark Plug Box of 4 (TR55-1IX) 1985-1986 Mercury Cougar Base 1985-1992 Mercury Cougar LS 1987-1990 Mercury Cougar XR-7 1993-1997 Mercury Cougar XR-7 $48.03
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Mercury Grand MarquisView all Mercury Grand Marquis Spark Plugs |
OUT OF STOCK 7316NGK Iridium IX Spark Plug Box of 4 (TR55-1IX) 1986-1986 Mercury Grand Marquis Base 1986-1986 Mercury Grand Marquis Colony Park 1986-1991 Mercury Grand Marquis LS 1987-1991 Mercury Grand Marquis GS $48.03
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IN STOCK 3689NGK IX Iridium Spark Plug Box of 4 (TR6IX) 2006-2011 Mercury Grand Marquis LS 2006-2008 Mercury Grand Marquis GS $48.03
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Mercury LN7View all Mercury LN7 Spark Plugs |
OUT OF STOCK 7243NGK Iridium IX Spark Plug Box of 4 (TR5-1IX) 1983-1983 Mercury LN7 Sport 1983-1983 Mercury LN7 RS 1983-1983 Mercury LN7 Grand Sport 1983-1983 Mercury LN7 Base $48.03
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Mercury LynxView all Mercury Lynx Spark Plugs |
OUT OF STOCK 3306NGK Iridium IX Spark Plug Box of 4 (BCPR5EIX-11) 1981-1981 Mercury Lynx RS 1981-1981 Mercury Lynx LS 1981-1981 Mercury Lynx GS 1981-1981 Mercury Lynx GL 1981-1981 Mercury Lynx Base $48.03
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OUT OF STOCK 7243NGK Iridium IX Spark Plug Box of 4 (TR5-1IX) 1982-1984 Mercury Lynx RS 1982-1984 Mercury Lynx LS 1982-1982 Mercury Lynx L 1982-1987 Mercury Lynx GS 1982-1985 Mercury Lynx GL 1982-1986 Mercury Lynx Base 1983-1984 Mercury Lynx LTS 1985-1987 Mercury Lynx L 1985-1987 Mercury Lynx XR3 $48.03
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Mercury MarquisView all Mercury Marquis Spark Plugs |
OUT OF STOCK 7243NGK Iridium IX Spark Plug Box of 4 (TR5-1IX) 1983-1986 Mercury Marquis Base 1983-1986 Mercury Marquis Brougham $48.03
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OUT OF STOCK 7316NGK Iridium IX Spark Plug Box of 4 (TR55-1IX) 1983-1986 Mercury Marquis Base 1983-1986 Mercury Marquis Brougham $48.03
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Mercury MontereyView all Mercury Monterey Spark Plugs |
$48.03
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Mercury MountaineerView all Mercury Mountaineer Spark Plugs |
OUT OF STOCK 7316NGK Iridium IX Spark Plug Box of 4 (TR55-1IX) 2006-2006 Mercury Mountaineer Convenience 2006-2006 Mercury Mountaineer Luxury 2007-2010 Mercury Mountaineer Base 2007-2010 Mercury Mountaineer Premier $48.03
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Mercury SableView all Mercury Sable Spark Plugs |
OUT OF STOCK 7316NGK Iridium IX Spark Plug Box of 4 (TR55-1IX) 1988-1995 Mercury Sable GS 1988-1995 Mercury Sable LS $48.03
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IN STOCK 3689NGK IX Iridium Spark Plug Box of 4 (TR6IX) 2001-2001 Mercury Sable LS 2003-2005 Mercury Sable GS $48.03
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Mercury TracerView all Mercury Tracer Spark Plugs |
OUT OF STOCK 7316NGK Iridium IX Spark Plug Box of 4 (TR55-1IX) 1991-1996 Mercury Tracer Base 1991-1999 Mercury Tracer Trio 1997-1999 Mercury Tracer GS 1997-1999 Mercury Tracer LS $48.03
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Mercury ZephyrView all Mercury Zephyr Spark Plugs |
OUT OF STOCK 7243NGK Iridium IX Spark Plug Box of 4 (TR5-1IX) 1983-1983 Mercury Zephyr Base 1983-1983 Mercury Zephyr GS 1983-1983 Mercury Zephyr Z7 1983-1983 Mercury Zephyr Z7 GS $48.03
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