TechPro 50GM112 Ignition Coil

Ignition Coil for GM V8 Applications

TechPro 50GM112 is an ignition coil for round-coil GM applications across Chevrolet, GMC, Cadillac, Hummer, Buick, and Isuzu models. It supports direct replacement service for vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade with round coil fitment.

Key Features

• Ignition coil replacement for round-coil applications
• Fits a wide range of GM trucks, SUVs, and vans
• Direct fit coverage for 1999-2007 model years listed below
• TechPro part number 50GM112 for catalog and service matching
• Compatible with multiple Chevrolet Silverado and GMC Sierra configurations

Fitment Details

• Fits 2003-2007 Chevrolet Express 1500, N/A, Round Coil
• Fits 2003-2007 Chevrolet Express 2500, N/A, Round Coil
• Fits 2003-2007 Chevrolet Express 3500, N/A, Round Coil
• Fits 2007 Chevrolet Silverado 1500 Classic, N/A, Round Coil
• Fits 2007 Chevrolet Silverado 1500 HD Classic, N/A, Round Coil
• Fits 2003-2007 GMC Savana 1500, N/A, Round Coil
• Fits 2003-2007 GMC Savana 2500, N/A, Round Coil
• Fits 2003-2007 GMC Savana 3500, N/A, Round Coil
• Fits 2007 GMC Sierra 1500 Classic, N/A, Round Coil
• Fits 2007 GMC Sierra 1500 HD Classic, N/A, Round Coil
• Fits 2007 GMC Sierra 2500 HD Classic, N/A, Round Coil
• Fits 2007 GMC Sierra 3500 Classic, N/A, Round Coil
• Fits 2003-2006 Cadillac Escalade ESV, N/A, Round Coil
• Fits 2002-2006 Cadillac Escalade EXT, N/A, Round Coil
• Fits 2002-2006 Chevrolet Avalanche 1500, N/A, Round Coil
• Fits 1999-2006 Chevrolet Silverado 1500, N/A, Round Coil
• Fits 2005-2006 Chevrolet Silverado 1500 HD, N/A, Round Coil
• Fits 2001-2003 Chevrolet Silverado 1500 HD, N/A, Round Coil
• Fits 2001-2006 Chevrolet Silverado 2500 HD, N/A, Round Coil
• Fits 2001-2006 Chevrolet Silverado 3500, N/A, Round Coil
• Fits 2000-2006 Chevrolet Suburban 1500, N/A, Round Coil
• Fits 2000-2006 Chevrolet Suburban 2500, N/A, Round Coil
• Fits 2000-2006 Chevrolet Tahoe, N/A, Round Coil
• Fits 1999-2006 GMC Sierra 1500, N/A, Round Coil
• Fits 2005-2006 GMC Sierra 1500 HD, N/A, Round Coil
• Fits 2001-2003 GMC Sierra 1500 HD, N/A, Round Coil
• Fits 2001-2006 GMC Sierra 2500 HD, N/A, Round Coil
• Fits 2001-2006 GMC Sierra 3500, N/A, Round Coil
• Fits 2000-2006 GMC Yukon, N/A, Round Coil
• Fits 2000-2006 GMC Yukon XL 1500, N/A, Round Coil
• Fits 2000-2006 GMC Yukon XL 2500, N/A, Round Coil
• Fits 2003-2006 Hummer H2, N/A, Round Coil
• Fits 2002-2005 Cadillac Escalade, N/A, Round Coil
• Fits 2004 Buick Rainier, N/A, Round Coil
• Fits 1999-2004 Chevrolet Silverado 2500, N/A, Round Coil
• Fits 2003-2004 Chevrolet SSR, N/A, Round Coil
• Fits 2003-2004 Chevrolet Trailblazer EXT, N/A, Round Coil
• Fits 2004 GMC Envoy XUV, N/A, Round Coil
• Fits 1999-2004 GMC Sierra 2500, N/A, Round Coil
• Fits 2003-2004 Isuzu Ascender, N/A, Round Coil

Common Replacement Uses

• Engine misfire diagnosis tied to weak ignition output
• Hard starting caused by ignition coil failure
• Rough idle or intermittent spark loss
• Check engine light conditions related to ignition performance
• Restoration of proper spark delivery on GM truck and SUV platforms

Installation Notes

Verify the vehicle uses the round coil configuration before ordering. Match the part number 50GM112 to the application and confirm year, make, and model against the fitment list, especially on Chevrolet Silverado, GMC Sierra, and Cadillac Escalade platforms.

Quality Assurance

TechPro 50GM112 is cataloged for direct-fit ignition service on the listed GM applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.