TechPro 50GM118 Ignition Coil

Ignition Coil for GM and Isuzu Applications

TechPro 50GM118 is an ignition coil for select GM and Isuzu vehicles from 2002-2009. It is a direct-fit ignition component for drivers servicing misfire, hard-start, or weak-spark concerns on covered applications.

• Ignition coil for select Chevrolet, GMC, Buick, Hummer, Isuzu, Oldsmobile, and Saab vehicles
• Fits 2004-2006 Chevrolet Colorado, N/A
• Fits 2004-2006 GMC Canyon, N/A
• Fits 2002-2005 Chevrolet Trailblazer, N/A
• Fits 2002-2005 GMC Envoy, N/A
• Fits 2002-2004 Oldsmobile Bravada, N/A
• Fits 2003-2005 Isuzu Ascender, N/A
• Fits 2005 Saab 9-7x, N/A
• Fits 2006 Hummer H3, N/A

Fitment and Application Details

This TechPro ignition coil, part number 50GM118, covers a broad range of GM truck and SUV platforms along with select Isuzu and Saab models. Additional coverage includes 2004-2005 Buick Rainier, 2004-2005 GMC Envoy XUV, 2002-2005 GMC Envoy XL, 2004-2006 Chevrolet Colorado, 2004-2006 GMC Canyon, 2006 Isuzu i-280, 2006 Isuzu i-350, 2007-2008 Isuzu i-290, 2007-2008 Isuzu i-370, and 2009 Saab 9-7x. This part number, 50GM118, is listed for N/A position applications only.

Common Problems This Part Addresses

• Engine misfire under load
• Hard starting or extended crank time
• Rough idle caused by weak ignition output
• Intermittent spark loss on covered vehicles
• Check engine light related to ignition performance

Installation Notes

Verify the vehicle year, make, and model against the fitment list before ordering. Inspect spark plugs, coil boots, and related ignition wiring during service, since worn components can affect coil performance. Confirm connector style and mounting location match the original part before installation.

Quality Assurance

TechPro 50GM118 is cataloged as an ignition coil for the listed GM, Isuzu, and Saab applications. Use the vehicle fitment data to confirm application match before installation.