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Subaru Legacy Spark Plugs

Looking for aftermarket parts to modify or upgrade your Subaru Legacy with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.

Spark Plug Parts:

Only show in-stock parts

NGK Double Platinum

NGK
NGK Double Platinum 5463
OUT OF STOCK
5463
NGK Laser Platinum Series plugs provide high ignitability and longer service life. Laser welded dual platinum surfaces ensure slow wear rate providing stable idel, superior anti fouling, improved fuel efficiency and lower emissions....
NGK Double Platinum Spark Plug Box of 4 (FR5AP-11)
2004-2004 Subaru Legacy GT / L / L 35th Anniversary
2005-2005 Subaru Legacy i / Limited
2006-2009 Subaru Legacy 2.5i
2007-2009 Subaru Legacy 2.5i Limited / 2.5i Special Edition
$53.69
NGK Double Platinum 5555
OUT OF STOCK
5555
NGK Laser Platinum Series plugs provide high ignitability and longer service life. Laser welded dual platinum surfaces ensure slow wear rate providing stable idel, superior anti fouling, improved fuel efficiency and lower emissions....
NGK Double Platinum Spark Plug Box of 4 (PFR6G-11)
1995-1995 Subaru Legacy Base / LSi
1995-1996 Subaru Legacy LS / Outback
1995-1998 Subaru Legacy Postal
1995-2000 Subaru Legacy Brighton
1995-2003 Subaru Legacy L
1999-1999 Subaru Legacy L 30th Anniversary / Limited 30th Anniversary
2000-2002 Subaru Legacy GT Limited
2000-2003 Subaru Legacy GT
2003-2003 Subaru Legacy L SE
$70.06

NGK G-Power

NGK
NGK G-Power 1483
OUT OF STOCK
1483
NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy....
NGK G-Power Spark Plug Copper Core Box of 4 (LFR6CGP)
2005-2005 Subaru Legacy GT Limited
2005-2006 Subaru Legacy GT
2006-2009 Subaru Legacy GT spec.B
2007-2009 Subaru Legacy GT Limited
2008-2009 Subaru Legacy 3.0 R Limited
2009-2009 Subaru Legacy 3.0 R
2010-2012 Subaru Legacy 2.5GT / 3.6R Premium
2010-2013 Subaru Legacy 3.6R
2010-2019 Subaru Legacy 3.6R Limited
$49.42

NGK GP Platinum

NGK
NGK GP Platinum 92649
OUT OF STOCK
92649
NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy....
NGK G-Power Platinum Spark Plug Box of 4 (LKAR7BGP-S)
2013-2019 Subaru Legacy 2.5i / 2.5i Limited / 2.5i Premium
2014-2014 Subaru Legacy 2.5i Sport
2017-2019 Subaru Legacy 2.5i Sport
$49.42

NGK Iridium

NGK
NGK Iridium 2756
IN STOCK
2756
NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching....
NGK V-Power Spark Plug Box of 4 (BKR6E-11)
1990-1990 Subaru Legacy Base
1990-1996 Subaru Legacy LS
1990-2003 Subaru Legacy L
1991-1994 Subaru Legacy Sport
1991-1995 Subaru Legacy LSi
1994-1994 Subaru Legacy Alpine Sport / GT / Outdoor / Sun Sport / Touring
1995-1995 Subaru Legacy Base
1995-1996 Subaru Legacy Outback
1995-1998 Subaru Legacy Postal
1995-2000 Subaru Legacy Brighton
1999-1999 Subaru Legacy L 30th Anniversary / Limited 30th Anniversary
2000-2002 Subaru Legacy GT Limited
2000-2003 Subaru Legacy GT
2003-2003 Subaru Legacy L SE
$37.31
Details
NGK Iridium 6619
IN STOCK
6619
The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability....
NGK Iridium Spark Plug Box of 4 (LFR6AIX-11)
2010-2012 Subaru Legacy 3.6R Premium
2010-2013 Subaru Legacy 3.6R
2010-2019 Subaru Legacy 3.6R Limited
$55.51
Details
NGK Iridium 93482
IN STOCK
93482
NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines....
NGK Iridium Laser Spark Plug Box of 4 (SILZKAR7B11)
2013-2019 Subaru Legacy 2.5i / 2.5i Limited / 2.5i Premium
2014-2014 Subaru Legacy 2.5i Sport
2017-2019 Subaru Legacy 2.5i Sport
$91.64
Details

NGK Iridium IX

NGK
NGK Iridium IX 93501
IN STOCK - LOW
93501
The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability....
NGK IX Iridium Spark Plug (Set of 4)
2013-2019 Subaru Legacy 2.5i / 2.5i Limited / 2.5i Premium
2014-2014 Subaru Legacy 2.5i Sport
2017-2019 Subaru Legacy 2.5i Sport
$55.51
Details
NGK Iridium IX 93893
IN STOCK
93893
The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability....
NGK Iridium IX Spark Plug Box of 4 (LFR6AIX)
2005-2005 Subaru Legacy GT Limited
2005-2006 Subaru Legacy GT
2006-2009 Subaru Legacy GT spec.B
2007-2009 Subaru Legacy GT Limited
2008-2009 Subaru Legacy 3.0 R Limited
2009-2009 Subaru Legacy 3.0 R
2010-2012 Subaru Legacy 2.5GT
$55.51
Details

NGK Iridium/Platinum

NGK
NGK Iridium/Platinum 6741
IN STOCK
6741
NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines....
NGK Iridium/Platinum Spark Plug Box of 4 (IFR6E-11)
1990-1990 Subaru Legacy Base
1990-1996 Subaru Legacy LS
1990-2003 Subaru Legacy L
1991-1994 Subaru Legacy Sport
1991-1995 Subaru Legacy LSi
1994-1994 Subaru Legacy Alpine Sport / GT / Outdoor / Sun Sport / Touring
1995-1995 Subaru Legacy Base
1995-1996 Subaru Legacy Outback
1995-1998 Subaru Legacy Postal
1995-2000 Subaru Legacy Brighton
1999-1999 Subaru Legacy L 30th Anniversary / Limited 30th Anniversary
2000-2002 Subaru Legacy GT Limited
2000-2003 Subaru Legacy GT
2003-2003 Subaru Legacy L SE
$70.82
Details

NGK Laser Iridium

NGK
NGK Laser Iridium 127
OUT OF STOCK
127
NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines....
NGK Laser Iridium Spark Plug Box of 4 (SIFR6A11)
2010-2012 Subaru Legacy 2.5i / 2.5i Limited / 2.5i Premium
$90.22
NGK Laser Iridium 373
OUT OF STOCK
373
NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines....
NGK Laser Iridium Spark Plug Box of 4 (SILFR6B8)
2010-2012 Subaru Legacy 2.5GT
$90.22
NGK Laser Iridium 6481
IN STOCK
6481
NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines....
NGK Laser Iridium Long Life Stock Heat Spark Plug (Box of 4)
2008-2009 Subaru Legacy 3.0 R Limited
2009-2009 Subaru Legacy 3.0 R
$72.75
Details
NGK Laser Iridium 7505
IN STOCK - LOW
7505
NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines....
NGK Laser Iridium Spark Plug Box of 4 (SILFR6C11)
2010-2012 Subaru Legacy 3.6R Premium
2010-2013 Subaru Legacy 3.6R
2010-2019 Subaru Legacy 3.6R Limited
$90.22
Details
NGK Laser Iridium 7913
IN STOCK
7913
NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines....
NGK Laser Iridium Long Life Spark Plug Box of 4 (SILFR6A)
2005-2005 Subaru Legacy GT Limited
2005-2006 Subaru Legacy GT
2006-2009 Subaru Legacy GT spec.B
2007-2009 Subaru Legacy GT Limited
$76.05
Details

NGK Nickel

NGK
NGK Nickel 7787
OUT OF STOCK
7787
NGK standard plugs are constructed for longer life and optimum performance....
NGK Nickel Spark Plug Box of 4 (LFR6C-11)
2010-2012 Subaru Legacy 3.6R Premium
2010-2013 Subaru Legacy 3.6R
2010-2017 Subaru Legacy 3.6R Limited
$52.83

NGK Other

NGK
NGK Other 93420
IN STOCK - LOW
93420
NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions....
NGK Ruthenium HX Spark Plug - Box of 4 (LFR6BHX)
2005-2005 Subaru Legacy GT Limited
2005-2006 Subaru Legacy GT
2006-2009 Subaru Legacy GT spec.B
2007-2009 Subaru Legacy GT Limited
2008-2009 Subaru Legacy 3.0 R Limited
2009-2009 Subaru Legacy 3.0 R
2010-2012 Subaru Legacy 2.5GT / 3.6R Premium
2010-2013 Subaru Legacy 3.6R
2010-2019 Subaru Legacy 3.6R Limited
$68.68
Details

NGK Ruthenium HX

NGK
NGK Ruthenium HX 92274
OUT OF STOCK
92274
NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions....
NGK Ruthenium HX Spark Plug Box of 4 (LKAR7AHX-S)
2013-2019 Subaru Legacy 2.5i / 2.5i Limited / 2.5i Premium
2014-2014 Subaru Legacy 2.5i Sport
2017-2019 Subaru Legacy 2.5i Sport
$68.68
NGK Ruthenium HX 95159
IN STOCK
95159
NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions....
NGK Ruthenium HX Spark Plug Box of 4 (FR6BHX-S)
2010-2012 Subaru Legacy 2.5i
$68.68
Details
NGK Ruthenium HX 96457
IN STOCK
96457
NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions....
NGK Ruthenium HX Spark Plug Box of 4 (FR5BHX)
1997-1999 Subaru Legacy GT
1998-1998 Subaru Legacy GT Limited
2004-2004 Subaru Legacy GT / L
2005-2005 Subaru Legacy i
2006-2009 Subaru Legacy 2.5i
2007-2009 Subaru Legacy 2.5i Limited / 2.5i Special Edition
$68.68
Details

NGK Traditional

NGK
NGK Traditional 5553
IN STOCK
5553
NGK standard plugs are constructed for longer life and optimum performance....
NGK Traditional Spark Plug Box of 4 (BKR6ES-11)
1990-1990 Subaru Legacy Base
1990-1996 Subaru Legacy LS
1990-2003 Subaru Legacy L
1991-1994 Subaru Legacy Sport
1991-1995 Subaru Legacy LSi
1994-1994 Subaru Legacy Alpine Sport / GT / Outdoor / Sun Sport / Touring
1995-1995 Subaru Legacy Base
1995-1996 Subaru Legacy Outback
1995-1998 Subaru Legacy Postal
1995-2000 Subaru Legacy Brighton
1999-1999 Subaru Legacy L 30th Anniversary / Limited 30th Anniversary
2000-2002 Subaru Legacy GT Limited
2000-2003 Subaru Legacy GT
2003-2003 Subaru Legacy L SE
$35.52
Details