TechPro 50GM133 Ignition Coil

Ignition Coil for GM V8 Applications

TechPro 50GM133 is an ignition coil for a wide range of GM vehicles that use the square-coil design. It is listed for Cadillac CTS, Chevrolet Camaro, Silverado, Tahoe, Corvette, GMC Sierra, and other applications across 2003-2015 model years. Use this part number when searching for a direct ignition coil replacement for GM truck, SUV, and performance car platforms.

Key Features

• Ignition coil for square-coil GM applications
• Fits a broad range of Cadillac, Chevrolet, GMC, Buick, Pontiac, Saab, Hummer, and Isuzu models
• Direct fitment coverage for many 2003-2015 vehicles
• Part number 50GM133 for catalog and cross-reference lookup
• Supports ignition system service on GM trucks, SUVs, and performance models

Detailed Description

TechPro 50GM133 is an ignition coil built for vehicles listed with the square coil configuration. Confirmed applications include 2005-2013 Chevrolet Corvette, 2007-2014 Chevrolet Tahoe, 2007-2014 GMC Yukon, 2007-2015 Chevrolet Silverado 1500, 2007-2014 Cadillac Escalade, and 2009-2015 Cadillac CTS. This part number also covers additional GM platforms such as Camaro, Impala, Trailblazer, Envoy, Sierra, Savana, Express, and Colorado, making it a practical replacement choice for GM ignition service.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Part Can Address

• Engine misfire caused by a weak or failing ignition coil
• Rough idle or hesitation during acceleration
• Hard starting related to inconsistent spark output
• Check engine light concerns tied to ignition coil performance
• Loss of power under load in GM truck, SUV, or car applications

Installation Notes and Tips

Verify the square-coil style and match the vehicle application before installation. Inspect spark plugs, coil boots, and related ignition wiring during service, since worn components can affect coil performance. Clear diagnostic trouble codes after repair and confirm proper engine operation with a road test.

Quality Assurance

TechPro 50GM133 is cataloged for direct-fit ignition service across the listed GM applications. Always confirm year, make, model, and coil style against the vehicle before ordering.