View our Specials! Coupon Code: SaveIn2026
Koni Suspension Sale
X
Vehicle Set: Click here to shop All Audi A6 Quattro parts.

Audi A6 Quattro Spark Plugs

Looking for aftermarket parts to modify or upgrade your Audi A6 Quattro 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 Copper

NGK
NGK Copper 2397
IN STOCK
2397
NGK standard plugs are constructed for longer life and optimum performance....
NGK Copper Core Spark Plug Box of 4 (BKUR6ET-10)
1997-1997 Audi A6 Quattro Avant / Base
$48.50
Details

NGK Double Platinum

NGK
NGK Double Platinum 1675
IN STOCK - LOW
1675
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 (PFR7S8EG)
2013-2015 Audi A6 Quattro Premium / Premium Plus
$69.30
Details
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)
2005-2006 Audi A6 Quattro Base
$70.06
NGK Double Platinum 6458
IN STOCK
6458
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 for Audi/VW Box of 4 (PFR6Q)
1995-1996 Audi A6 Quattro Avant / Base
2000-2004 Audi A6 Quattro Base
$70.06
Details

NGK Iridium

NGK
NGK Iridium 2667
OUT OF STOCK
2667
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 Plugs Box of 4 (BKR7EIX)
2013-2015 Audi A6 Quattro Premium / Premium Plus
$55.51
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)
2005-2006 Audi A6 Quattro Base
$37.31
Details
NGK Iridium 3764
IN STOCK
3764
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 (BKR6EIX-11)
2002-2004 Audi A6 Quattro Avant
2002-2006 Audi A6 Quattro Base
$55.51
Details
NGK Iridium 5648
OUT OF STOCK
5648
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 Spark Plug Box of 4 (IFR6Q-G)
1995-1996 Audi A6 Quattro Avant / Base
$72.69
NGK Iridium 6418
IN STOCK
6418
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 (BKR6EIX)
1995-1996 Audi A6 Quattro Avant / Base
1998-2001 Audi A6 Quattro Avant
1998-2004 Audi A6 Quattro Base
$55.51
Details

NGK Iridium IX

NGK
NGK Iridium IX 94833
IN STOCK
94833
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 Laser Platinum Spark Plug Box of 4 (PLFER7A8EG)
2016-2020 Audi A6 Quattro Premium Plus
2017-2020 Audi A6 Quattro Premium
2018-2018 Audi A6 Quattro Sport
$70.13
Details

NGK Iridium Long Life

NGK
NGK Iridium Long Life 5344
IN STOCK
5344
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 Long Life Spark Plugs Box of 4 (IFR6D10)
2002-2004 Audi A6 Quattro Avant / Base
$73.51
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)
2005-2006 Audi A6 Quattro Base
$70.82
Details

NGK Laser Platinum

NGK
NGK Laser Platinum 5874
OUT OF STOCK
5874
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 Laser Platinum Spark Plug Box of 4 (PFR6U-11G)
2002-2004 Audi A6 Quattro Avant / Base
$70.06
NGK Laser Platinum 94460
IN STOCK
94460
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 Laser Platinum Spark Plug Box of 4 (PFR8S8EG)
2009-2011 Audi A6 Quattro Avant / Base
2012-2014 Audi A6 Quattro Premium
2012-2018 Audi A6 Quattro Premium Plus / Prestige
2017-2017 Audi A6 Quattro Competition
2018-2018 Audi A6 Quattro Premium / Sport
$70.13
Details

NGK Multi-Ground

NGK
NGK Multi-Ground 3199
IN STOCK
3199
Multi-ground electrodes improve ignition capabilities and are less sensitive to increased voltage requirements due to gap growth. Designed to specific manufacturer ignition requirements, NGK's multi-ground plugs maintain all the features of their standard plugs....
NGK Multi-Ground Spark Plug Box of 4 (BKR6EQUP)
1998-2001 Audi A6 Quattro Avant
1998-2004 Audi A6 Quattro Base
$56.78
Details
NGK Multi-Ground 5547
OUT OF STOCK
5547
Multi-ground electrodes improve ignition capabilities and are less sensitive to increased voltage requirements due to gap growth. Designed to specific manufacturer ignition requirements, NGK's multi-ground plugs maintain all the features of their standard plugs....
NGK Multi-Ground Spark Plug Box of 4 (PFR6W-TG)
2007-2011 Audi A6 Quattro Base
$77.43
NGK Multi-Ground 5592
IN STOCK
5592
Multi-ground electrodes improve ignition capabilities and are less sensitive to increased voltage requirements due to gap growth. Designed to specific manufacturer ignition requirements, NGK's multi-ground plugs maintain all the features of their standard plugs....
NGK Multi-Ground Spark Plug Box of 4 (PFR7W-TG)
2005-2008 Audi A6 Quattro Base
2006-2008 Audi A6 Quattro Avant
$77.43
Details

NGK Nickel

NGK
NGK Nickel 7969
OUT OF STOCK
7969
NGK standard plugs are constructed for longer life and optimum performance....
NGK Nickel Spark Plug Box of 4 (BKR6EKUB)
1998-2001 Audi A6 Quattro Avant
1998-2002 Audi A6 Quattro Base
$52.92

NGK Other

NGK
NGK Other 92400
IN STOCK
92400
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 (FR7BHX-S)
2005-2008 Audi A6 Quattro Base
2006-2008 Audi A6 Quattro Avant
2013-2015 Audi A6 Quattro Premium / Premium Plus
$68.68
Details
NGK Other 95125
OUT OF STOCK
95125
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 (LFER7BHX)
2016-2020 Audi A6 Quattro Premium Plus
2017-2020 Audi A6 Quattro Premium
2018-2018 Audi A6 Quattro Sport
$68.68

NGK Ruthenium HX

NGK
NGK Ruthenium HX 94279
IN STOCK
94279
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 (FR6AHX-S)
2000-2006 Audi A6 Quattro Base
$68.68
Details
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)
1997-2001 Audi A6 Quattro Avant / Base
$68.68
Details

NGK Single

NGK
NGK Single 7092
IN STOCK - LOW
7092
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 Single Platinum Spark Plug Box of 4 (BKR6EGP)
1995-1996 Audi A6 Quattro Avant / Base
1998-2004 Audi A6 Quattro Avant
1998-2006 Audi A6 Quattro Base
$41.29
Details

NGK Standard Spark Plugs

NGK
NGK Standard Spark Plugs 5767
OUT OF STOCK
5767
NGK standard plugs are constructed for longer life and optimum performance....
NGK Standard Spark Plug Box of 4 (BKR6EQUA)
2003-2004 Audi A6 Quattro Base
$57.42

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)
2005-2006 Audi A6 Quattro Base
$35.52
Details