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Looking for aftermarket parts to modify or upgrade your 2003 Chevrolet Trailblazer EXT with ignition coils? At Tunersports.com we carry a huge selection of the top name brand performance ignition coil parts and accessories.
 IN STOCK - DROPSHIPS 30256-1The XIM Ignition Module lets you easily install the EZ-EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor-less ignition type EFI engines. It?s a simple plug-and-play installation with factory type connectors that plug into your factory sensors. Also available are standalone ignition modules for ... FAST Coil L92 Truck Style GenIII 2003-2004 Chevrolet Trailblazer EXT LS / LT / North Face $118.47 |
 IN STOCK - DROPSHIPS 30256-4The XIM Ignition Module lets you easily install the EZ-EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor-less ignition type EFI engines. It?s a simple plug-and-play installation with factory type connectors that plug into your factory sensors. Also available are standalone ignition modules for ... FAST Coil L92 Truck Style GenIII 2003-2004 Chevrolet Trailblazer EXT LS / LT / North Face $284.24 |
 IN STOCK - DROPSHIPS 30256-6The XIM Ignition Module lets you easily install the EZ-EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor-less ignition type EFI engines. It?s a simple plug-and-play installation with factory type connectors that plug into your factory sensors. Also available are standalone ignition modules for ... FAST Coil L92 Truck Style GenIII 2003-2004 Chevrolet Trailblazer EXT LS / LT / North Face $382.57 |
 IN STOCK - DROPSHIPS 30256-8The XIM Ignition Module lets you easily install the EZ-EFI 2.0, XFI 2.0 and XFI Sportsman on many distributor-less ignition type EFI engines. It?s a simple plug-and-play installation with factory type connectors that plug into your factory sensors. Also available are standalone ignition modules for ... FAST Coil L92 Truck Style GenIII 2003-2004 Chevrolet Trailblazer EXT LS / LT / North Face $496.99 |
 IN STOCK - DROPSHIPS MMIG-LSHS-99The basic requirements for a properly running engine are fuel, air, compression, and spark. Before increasing the power of your LS engine, it's wise to ensure all maintenance is up to date and these processes are performing as intended. Weak spark from your ignition system can result in misfiring, r... Mishimoto 99-07 GM Truck/Heatsink Style Ignition Coil 2003-2004 Chevrolet Trailblazer EXT LS / LT / North Face $79.73 |
 IN STOCK - LOW MMIG-LSHS-9908The basic requirements for a properly running engine are fuel, air, compression, and spark. Before increasing the power of your LS engine, it's wise to ensure all maintenance is up to date and these processes are performing as intended. Weak spark from your ignition system can result in misfiring, r... Mishimoto 99-07 GM Truck/Heatsink Style Ignition Coil Set 2003-2004 Chevrolet Trailblazer EXT LS / LT / North Face $408.95 |
 OUT OF STOCK 48658NGK ignition coils are manufactured to meet or exceed OE standards for the highest durability and operational performance, so they can be installed with confidence. NGK and their family of automotive products have over 80 year's experience and are driven by extreme dedication to innovation, performa... NGK 2004-03 Isuzu Ascender COP Ignition Coil 2003-2004 Chevrolet Trailblazer EXT LS / LT / North Face $73.28 |
OUT OF STOCK 48844NGK ignition coils are manufactured to meet or exceed OE standards for the highest durability and operational performance, so they can be installed with confidence. NGK and their family of automotive products have over 80 year's experience and are driven by extreme dedication to innovation, performa... NGK 2009-05 Saab 9-7x COP Ignition Coil 2002-2004 Chevrolet Trailblazer EXT North Face 2002-2005 Chevrolet Trailblazer EXT LT 2003-2005 Chevrolet Trailblazer EXT LS $83.17 |
 OUT OF STOCK 58921NGK Coil on Plug Boots are built to stringent OEM tolerances, combining original equipment fit, design and outstanding durability. NGK Coil on Plug Boots are manufactured using only premium silicone and always include any required internal springs and ferrite resistors for superior performance and R... NGK Buick Rainier 2005-2004 Direct Ignition Coil Boot 2002-2004 Chevrolet Trailblazer EXT North Face 2002-2005 Chevrolet Trailblazer EXT LT 2003-2005 Chevrolet Trailblazer EXT LS $28.71 |