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Looking for aftermarket parts to modify or upgrade your Audi S4 with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.
 IN STOCK 4644NGK standard plugs are constructed for longer life and optimum performance.... NGK Copper Spark Plug Box of 4 (BKR7E) 1992-1994 Audi S4 Base $36.60 |
 IN STOCK - LOW 4853NGK 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 (PFR7B) 1992-1994 Audi S4 Base $70.06 |
IN STOCK 6458NGK 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) 2000-2002 Audi S4 Base 2001-2002 Audi S4 Avant $70.06 |
 IN STOCK 2667The 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) 1992-1994 Audi S4 Base $55.51 |
IN STOCK 6418The 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) 2000-2002 Audi S4 Base 2001-2002 Audi S4 Avant 2004-2008 Audi S4 Avant / Base 2004-2009 Audi S4 Cabriolet $55.51 |
 IN STOCK 94460NGK 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) 2010-2013 Audi S4 Base 2014-2016 Audi S4 Premium Plus / Prestige $70.13 |
 IN STOCK 3199Multi-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) 2004-2008 Audi S4 Avant / Base 2004-2009 Audi S4 Cabriolet $56.78 |
 IN STOCK 94279NGK 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) 2004-2008 Audi S4 Avant / Base 2004-2009 Audi S4 Cabriolet $68.68 |
 IN STOCK - LOW 7092NGK 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) 2004-2008 Audi S4 Avant / Base 2004-2009 Audi S4 Cabriolet $41.29 |
 OUT OF STOCK 5767NGK standard plugs are constructed for longer life and optimum performance.... NGK Standard Spark Plug Box of 4 (BKR6EQUA) 2004-2008 Audi S4 Avant / Base 2004-2009 Audi S4 Cabriolet $57.42 |
 IN STOCK 6962NGK 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) 2004-2008 Audi S4 Avant / Base 2004-2009 Audi S4 Cabriolet $36.60 |