Looking for aftermarket parts to modify or upgrade your 2003 Isuzu Ascender with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.

IN STOCK 91418NGK 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 (ILTR5E11) 2003-2003 Isuzu Ascender Base / Limited 2003-2006 Isuzu Ascender LS $59.06 |

OUT OF STOCK 2467NGK 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 (PTR5A-13) 2003-2003 Isuzu Ascender Base / Limited 2003-2005 Isuzu Ascender LS $59.25 |