View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 2004 Buick Rainier with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.
 OUT OF STOCK 3186NGK 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 Box of 4 (TR5GP) 2004-2005 Buick Rainier CXL Plus 2004-2007 Buick Rainier CXL $40.63 |
IN STOCK 5019NGK 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 (LTR5GP) 2004-2005 Buick Rainier CXL Plus 2004-2007 Buick Rainier CXL $48.43 |
 OUT OF STOCK 1465NGK 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 (IZTR5B11) 2004-2005 Buick Rainier CXL Plus 2004-2007 Buick Rainier CXL $58.91 |
 IN STOCK 7397The 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 Box of 4 (TR5IX) 2004-2005 Buick Rainier CXL Plus 2004-2007 Buick Rainier CXL $54.25 |
 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) 2004-2005 Buick Rainier CXL Plus 2004-2007 Buick Rainier CXL $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) 2004-2005 Buick Rainier CXL / CXL Plus $59.25 |
OUT OF STOCK 3784NGK 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 (PTR5D-10) 2004-2005 Buick Rainier CXL Plus 2004-2007 Buick Rainier CXL $59.25 |
 OUT OF STOCK 2238NGK standard plugs are constructed for longer life and optimum performance.... NGK Nickel Spark Plug Box of 4 (TR5) 2004-2005 Buick Rainier CXL Plus 2004-2007 Buick Rainier CXL $35.99 |
 OUT OF STOCK 90220NGK 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 (LTR5AHX) 2004-2005 Buick Rainier CXL Plus 2004-2007 Buick Rainier CXL $66.88 |
 OUT OF STOCK 94567NGK 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 (TR5AHX) 2004-2005 Buick Rainier CXL Plus 2004-2007 Buick Rainier CXL $66.88 |
 OUT OF STOCK 4344The 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 Single Iridium Spark Plug Box of 4 (LTR5IX-11) 2004-2005 Buick Rainier CXL Plus 2004-2007 Buick Rainier CXL $54.25 |