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TechPro 50GM133 Ignition Coil
Reliable Ignition Coil for Select GM and Related Vehicles
The TechPro 50GM133 ignition coil is engineered to provide consistent ignition performance for a range of GM and related makes. Designed to meet OEM specifications, this ignition coil supports efficient engine operation in vehicles such as the Chevrolet Silverado, Cadillac Escalade, and GMC Sierra.
- Direct replacement ignition coil for multiple GM and related models
- Compatible with Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, and Saab vehicles
- Part number 50GM133 ensures precise fit and function
- Supports reliable spark delivery for improved engine performance
- Designed for use in various models including Silverado 1500, Escalade ESV, and Trailblazer EXT
Product Overview and Compatibility
The TechPro 50GM133 ignition coil is a critical component in the ignition system, responsible for converting the battery's voltage into the high voltage needed to ignite the fuel-air mixture in the engine cylinders. This ignition coil is compatible with a wide range of vehicles, including Buick Allure, Cadillac CTS, Chevrolet Camaro, GMC Canyon, Hummer H3, Isuzu Ascender, Pontiac G8, and Saab 9-7x. It is designed to fit models such as the Chevrolet Avalanche, Cadillac Escalade EXT, and GMC Sierra 2500 HD Classic, ensuring broad application across multiple platforms.
Common Applications and Problem Resolution
- Resolves engine misfires caused by faulty ignition coils
- Improves starting issues related to weak or inconsistent spark
- Addresses rough idling and poor acceleration due to ignition coil failure
- Helps reduce engine hesitation and stalling problems
- Supports overall ignition system reliability in high-demand driving conditions
Installation Notes and Tips
When installing the TechPro 50GM133 ignition coil, ensure the vehicle's ignition system is powered off and the battery is disconnected to prevent electrical shock. Verify the part number matches the original coil to confirm compatibility. Carefully remove the old ignition coil and inspect the mounting area for corrosion or damage before installing the new coil. Proper torque specifications should be followed to secure the coil without causing damage. After installation, perform a system check to confirm proper engine operation.
Quality Assurance and Warranty
TechPro ignition coils are manufactured to meet or exceed OEM standards, providing dependable performance and durability. While specific warranty details for part number 50GM133 are not provided, TechPro products typically come with a limited warranty covering defects in materials and workmanship. For exact warranty terms, consult the product documentation or manufacturer resources.
This part fits 263 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2015 | Cadillac | CTS | N/A | Square Coil |
| 2015 | Chevrolet | Camaro | N/A | Square Coil |
| 2015 | Chevrolet | Caprice | N/A | Square Coil |
| 2015 | Chevrolet | Express 2500 | N/A | Square Coil |
| 2015 | Chevrolet | Express 3500 | N/A | Square Coil |
| 2015 | Chevrolet | Silverado 2500 HD | N/A | Square Coil |
| 2015 | GMC | Savana 2500 | N/A | Square Coil |
| 2015 | GMC | Savana 3500 | N/A | Square Coil |
| 2014 | Cadillac | CTS | N/A | Square Coil |
| 2014 | Cadillac | Escalade | N/A | Square Coil |
| 2014 | Cadillac | Escalade ESV | N/A | Square Coil |
| 2014 | Chevrolet | Camaro | N/A | Square Coil |
| 2014 | Chevrolet | Caprice | N/A | Square Coil |
| 2014 | Chevrolet | Express 1500 | N/A | Square Coil |
| 2014 | Chevrolet | Express 2500 | N/A | Square Coil |
| 2014 | Chevrolet | Express 3500 | N/A | Square Coil |
| 2014 | Chevrolet | Silverado 2500 HD | N/A | Square Coil |
| 2014 | Chevrolet | Silverado 3500 HD | N/A | Square Coil |
| 2014 | Chevrolet | SS | N/A | Square Coil |
| 2014 | Chevrolet | Suburban 1500 | N/A | Square Coil |
| 2014 | Chevrolet | Tahoe | N/A | Square Coil |
| 2014 | GMC | Savana 1500 | N/A | Square Coil |
| 2014 | GMC | Savana 2500 | N/A | Square Coil |
| 2014 | GMC | Savana 3500 | N/A | Square Coil |
| 2014 | GMC | Sierra 2500 HD | N/A | Square Coil |
| 2014 | GMC | Sierra 3500 HD | N/A | Square Coil |
| 2014 | GMC | Yukon | N/A | Square Coil |
| 2014 | GMC | Yukon XL 1500 | N/A | Square Coil |
| 2013 | Cadillac | CTS | N/A | Square Coil |
| 2013 | Cadillac | Escalade | N/A | Square Coil |
| 2013 | Cadillac | Escalade ESV | N/A | Square Coil |
| 2013 | Cadillac | Escalade EXT | N/A | Square Coil |
| 2013 | Chevrolet | Avalanche | N/A | Square Coil |
| 2013 | Chevrolet | Camaro | N/A | Square Coil |
| 2013 | Chevrolet | Caprice | N/A | Square Coil |
| 2013 | Chevrolet | Corvette | N/A | Square Coil |
| 2013 | Chevrolet | Express 1500 | N/A | Square Coil |
| 2013 | Chevrolet | Express 2500 | N/A | Square Coil |
| 2013 | Chevrolet | Express 3500 | N/A | Square Coil |
| 2013 | Chevrolet | Silverado 1500 | N/A | Square Coil |
| 2013 | Chevrolet | Silverado 2500 HD | N/A | Square Coil |
| 2013 | Chevrolet | Silverado 3500 HD | N/A | Square Coil |
| 2013 | Chevrolet | Suburban 1500 | N/A | Square Coil |
| 2013 | Chevrolet | Suburban 2500 | N/A | Square Coil |
| 2013 | Chevrolet | Tahoe | N/A | Square Coil |
| 2013 | GMC | Savana 1500 | N/A | Square Coil |
| 2013 | GMC | Savana 2500 | N/A | Square Coil |
| 2013 | GMC | Savana 3500 | N/A | Square Coil |
| 2013 | GMC | Sierra 1500 | N/A | Square Coil |
| 2013 | GMC | Sierra 2500 HD | N/A | Square Coil |
| 2013 | GMC | Sierra 3500 HD | N/A | Square Coil |
| 2013 | GMC | Yukon | N/A | Square Coil |
| 2013 | GMC | Yukon XL 1500 | N/A | Square Coil |
| 2013 | GMC | Yukon XL 2500 | N/A | Square Coil |
| 2012 | Cadillac | CTS | N/A | Square Coil |
| 2012 | Cadillac | Escalade | N/A | Square Coil |
| 2012 | Cadillac | Escalade ESV | N/A | Square Coil |
| 2012 | Cadillac | Escalade EXT | N/A | Square Coil |
| 2012 | Chevrolet | Avalanche | N/A | Square Coil |
| 2012 | Chevrolet | Camaro | N/A | Square Coil |
| 2012 | Chevrolet | Caprice | N/A | Square Coil |
| 2012 | Chevrolet | Colorado | N/A | Square Coil |
| 2012 | Chevrolet | Corvette | N/A | Square Coil |
| 2012 | Chevrolet | Express 1500 | N/A | Square Coil |
| 2012 | Chevrolet | Express 2500 | N/A | Square Coil |
| 2012 | Chevrolet | Express 3500 | N/A | Square Coil |
| 2012 | Chevrolet | Silverado 1500 | N/A | Square Coil |
| 2012 | Chevrolet | Silverado 2500 HD | N/A | Square Coil |
| 2012 | Chevrolet | Silverado 3500 HD | N/A | Square Coil |
| 2012 | Chevrolet | Suburban 1500 | N/A | Square Coil |
| 2012 | Chevrolet | Suburban 2500 | N/A | Square Coil |
| 2012 | Chevrolet | Tahoe | N/A | Square Coil |
| 2012 | GMC | Canyon | N/A | Square Coil |
| 2012 | GMC | Savana 1500 | N/A | Square Coil |
| 2012 | GMC | Savana 2500 | N/A | Square Coil |
| 2012 | GMC | Savana 3500 | N/A | Square Coil |
| 2012 | GMC | Sierra 1500 | N/A | Square Coil |
| 2012 | GMC | Sierra 2500 HD | N/A | Square Coil |
| 2012 | GMC | Sierra 3500 HD | N/A | Square Coil |
| 2012 | GMC | Yukon | N/A | Square Coil |
| 2012 | GMC | Yukon XL 1500 | N/A | Square Coil |
| 2012 | GMC | Yukon XL 2500 | N/A | Square Coil |
| 2011 | Cadillac | CTS | N/A | Square Coil |
| 2011 | Cadillac | Escalade | N/A | Square Coil |
| 2011 | Cadillac | Escalade ESV | N/A | Square Coil |
| 2011 | Cadillac | Escalade EXT | N/A | Square Coil |
| 2011 | Chevrolet | Avalanche | N/A | Square Coil |
| 2011 | Chevrolet | Camaro | N/A | Square Coil |
| 2011 | Chevrolet | Caprice | N/A | Square Coil |
| 2011 | Chevrolet | Colorado | N/A | Square Coil |
| 2011 | Chevrolet | Corvette | N/A | Square Coil |
| 2011 | Chevrolet | Express 1500 | N/A | Square Coil |
| 2011 | Chevrolet | Express 2500 | N/A | Square Coil |
| 2011 | Chevrolet | Express 3500 | N/A | Square Coil |
| 2011 | Chevrolet | Silverado 1500 | N/A | Square Coil |
| 2011 | Chevrolet | Silverado 2500 HD | N/A | Square Coil |
| 2011 | Chevrolet | Silverado 3500 HD | N/A | Square Coil |
| 2011 | Chevrolet | Suburban 1500 | N/A | Square Coil |
| 2011 | Chevrolet | Suburban 2500 | N/A | Square Coil |
| 2011 | Chevrolet | Tahoe | N/A | Square Coil |
| 2011 | GMC | Canyon | N/A | Square Coil |
| 2011 | GMC | Savana 1500 | N/A | Square Coil |
| 2011 | GMC | Savana 2500 | N/A | Square Coil |
| 2011 | GMC | Savana 3500 | N/A | Square Coil |
| 2011 | GMC | Sierra 1500 | N/A | Square Coil |
| 2011 | GMC | Sierra 2500 HD | N/A | Square Coil |
| 2011 | GMC | Sierra 3500 HD | N/A | Square Coil |
| 2011 | GMC | Yukon | N/A | Square Coil |
| 2011 | GMC | Yukon XL 1500 | N/A | Square Coil |
| 2011 | GMC | Yukon XL 2500 | N/A | Square Coil |
| 2010 | Cadillac | CTS | N/A | Square Coil |
| 2010 | Cadillac | Escalade | N/A | Square Coil |
| 2010 | Cadillac | Escalade ESV | N/A | Square Coil |
| 2010 | Cadillac | Escalade EXT | N/A | Square Coil |
| 2010 | Chevrolet | Avalanche | N/A | Square Coil |
| 2010 | Chevrolet | Camaro | N/A | Square Coil |
| 2010 | Chevrolet | Colorado | N/A | Square Coil |
| 2010 | Chevrolet | Corvette | N/A | Square Coil |
| 2010 | Chevrolet | Express 1500 | N/A | Square Coil |
| 2010 | Chevrolet | Express 2500 | N/A | Square Coil |
| 2010 | Chevrolet | Express 3500 | N/A | Square Coil |
| 2010 | Chevrolet | Silverado 1500 | N/A | Square Coil |
| 2010 | Chevrolet | Silverado 2500 HD | N/A | Square Coil |
| 2010 | Chevrolet | Silverado 3500 HD | N/A | Square Coil |
| 2010 | Chevrolet | Suburban 1500 | N/A | Square Coil |
| 2010 | Chevrolet | Suburban 2500 | N/A | Square Coil |
| 2010 | Chevrolet | Tahoe | N/A | Square Coil |
| 2010 | GMC | Canyon | N/A | Square Coil |
| 2010 | GMC | Savana 1500 | N/A | Square Coil |
| 2010 | GMC | Savana 2500 | N/A | Square Coil |
| 2010 | GMC | Savana 3500 | N/A | Square Coil |
| 2010 | GMC | Sierra 1500 | N/A | Square Coil |
| 2010 | GMC | Sierra 2500 HD | N/A | Square Coil |
| 2010 | GMC | Sierra 3500 HD | N/A | Square Coil |
| 2010 | GMC | Yukon | N/A | Square Coil |
| 2010 | GMC | Yukon XL 1500 | N/A | Square Coil |
| 2010 | GMC | Yukon XL 2500 | N/A | Square Coil |
| 2010 | Hummer | H3 | N/A | Square Coil |
| 2010 | Hummer | H3T | N/A | Square Coil |
| 2009 | Buick | Allure | N/A | Square Coil |
| 2009 | Buick | LaCrosse | N/A | Square Coil |
| 2009 | Cadillac | CTS | N/A | Square Coil |
| 2009 | Cadillac | Escalade | N/A | Square Coil |
| 2009 | Cadillac | Escalade ESV | N/A | Square Coil |
| 2009 | Cadillac | Escalade EXT | N/A | Square Coil |
| 2009 | Chevrolet | Avalanche | N/A | Square Coil |
| 2009 | Chevrolet | Colorado | N/A | Square Coil |
| 2009 | Chevrolet | Corvette | N/A | Square Coil |
| 2009 | Chevrolet | Express 1500 | N/A | Square Coil |
| 2009 | Chevrolet | Express 2500 | N/A | Square Coil |
| 2009 | Chevrolet | Express 3500 | N/A | Square Coil |
| 2009 | Chevrolet | Impala | N/A | Square Coil |
| 2009 | Chevrolet | Silverado 1500 | N/A | Square Coil |
| 2009 | Chevrolet | Silverado 2500 HD | N/A | Square Coil |
| 2009 | Chevrolet | Silverado 3500 HD | N/A | Square Coil |
| 2009 | Chevrolet | Suburban 1500 | N/A | Square Coil |
| 2009 | Chevrolet | Suburban 2500 | N/A | Square Coil |
| 2009 | Chevrolet | Tahoe | N/A | Square Coil |
| 2009 | GMC | Canyon | N/A | Square Coil |
| 2009 | GMC | Envoy | N/A | Square Coil |
| 2009 | GMC | Savana 1500 | N/A | Square Coil |
| 2009 | GMC | Savana 2500 | N/A | Square Coil |
| 2009 | GMC | Savana 3500 | N/A | Square Coil |
| 2009 | GMC | Sierra 1500 | N/A | Square Coil |
| 2009 | GMC | Sierra 2500 HD | N/A | Square Coil |
| 2009 | GMC | Sierra 3500 HD | N/A | Square Coil |
| 2009 | GMC | Yukon | N/A | Square Coil |
| 2009 | GMC | Yukon XL 1500 | N/A | Square Coil |
| 2009 | GMC | Yukon XL 2500 | N/A | Square Coil |
| 2009 | Hummer | H2 | N/A | Square Coil |
| 2009 | Hummer | H3 | N/A | Square Coil |
| 2009 | Hummer | H3T | N/A | Square Coil |
| 2009 | Pontiac | G8 | N/A | Square Coil |
| 2009 | Saab | 9-7x | N/A | Square Coil |
| 2008 | Buick | Allure | N/A | Square Coil |
| 2008 | Buick | LaCrosse | N/A | Square Coil |
| 2008 | Cadillac | Escalade | N/A | Square Coil |
| 2008 | Cadillac | Escalade ESV | N/A | Square Coil |
| 2008 | Cadillac | Escalade EXT | N/A | Square Coil |
| 2008 | Chevrolet | Avalanche | N/A | Square Coil |
| 2008 | Chevrolet | Corvette | N/A | Square Coil |
| 2008 | Chevrolet | Express 1500 | N/A | Square Coil |
| 2008 | Chevrolet | Express 2500 | N/A | Square Coil |
| 2008 | Chevrolet | Express 3500 | N/A | Square Coil |
| 2008 | Chevrolet | Impala | N/A | Square Coil |
| 2008 | Chevrolet | Silverado 1500 | N/A | Square Coil |
| 2008 | Chevrolet | Silverado 2500 HD | N/A | Square Coil |
| 2008 | Chevrolet | Silverado 3500 HD | N/A | Square Coil |
| 2008 | Chevrolet | Suburban 1500 | N/A | Square Coil |
| 2008 | Chevrolet | Suburban 2500 | N/A | Square Coil |
| 2008 | Chevrolet | Tahoe | N/A | Square Coil |
| 2008 | Chevrolet | Trailblazer | N/A | Square Coil |
| 2008 | GMC | Envoy | N/A | Square Coil |
| 2008 | GMC | Savana 1500 | N/A | Square Coil |
| 2008 | GMC | Savana 2500 | N/A | Square Coil |
| 2008 | GMC | Savana 3500 | N/A | Square Coil |
| 2008 | GMC | Sierra 1500 | N/A | Square Coil |
| 2008 | GMC | Sierra 2500 HD | N/A | Square Coil |
| 2008 | GMC | Sierra 3500 HD | N/A | Square Coil |
| 2008 | GMC | Yukon | N/A | Square Coil |
| 2008 | GMC | Yukon XL 1500 | N/A | Square Coil |
| 2008 | GMC | Yukon XL 2500 | N/A | Square Coil |
| 2008 | Hummer | H2 | N/A | Square Coil |
| 2008 | Hummer | H3 | N/A | Square Coil |
| 2008 | Pontiac | G8 | N/A | Square Coil |
| 2008 | Pontiac | Grand Prix | N/A | Square Coil |
| 2008 | Saab | 9-7x | N/A | Square Coil |
| 2007 | Buick | Rainier | N/A | Square Coil |
| 2007 | Cadillac | CTS | N/A | Square Coil |
| 2007 | Cadillac | Escalade | N/A | Square Coil |
| 2007 | Cadillac | Escalade ESV | N/A | Square Coil |
| 2007 | Cadillac | Escalade EXT | N/A | Square Coil |
| 2007 | Chevrolet | Avalanche | N/A | Square Coil |
| 2007 | Chevrolet | Corvette | N/A | Square Coil |
| 2007 | Chevrolet | Impala | N/A | Square Coil |
| 2007 | Chevrolet | Monte Carlo | N/A | Square Coil |
| 2007 | Chevrolet | Silverado 1500 | N/A | Square Coil |
| 2007 | Chevrolet | Silverado 2500 HD | N/A | Square Coil |
| 2007 | Chevrolet | Silverado 2500 HD Classic | N/A | Square Coil |
| 2007 | Chevrolet | Silverado 3500 Classic | N/A | Square Coil |
| 2007 | Chevrolet | Silverado 3500 HD | N/A | Square Coil |
| 2007 | Chevrolet | Suburban 1500 | N/A | Square Coil |
| 2007 | Chevrolet | Suburban 2500 | N/A | Square Coil |
| 2007 | Chevrolet | Tahoe | N/A | Square Coil |
| 2007 | Chevrolet | Trailblazer | N/A | Square Coil |
| 2007 | GMC | Envoy | N/A | Square Coil |
| 2007 | GMC | Sierra 1500 | N/A | Square Coil |
| 2007 | GMC | Sierra 2500 HD | N/A | Square Coil |
| 2007 | GMC | Sierra 3500 HD | N/A | Square Coil |
| 2007 | GMC | Yukon | N/A | Square Coil |
| 2007 | GMC | Yukon XL 1500 | N/A | Square Coil |
| 2007 | GMC | Yukon XL 2500 | N/A | Square Coil |
| 2007 | Hummer | H2 | N/A | Square Coil |
| 2007 | Pontiac | Grand Prix | N/A | Square Coil |
| 2007 | Saab | 9-7x | N/A | Square Coil |
| 2006 | Buick | Rainier | N/A | Square Coil |
| 2006 | Cadillac | CTS | N/A | Square Coil |
| 2006 | Chevrolet | Corvette | N/A | Square Coil |
| 2006 | Chevrolet | Impala | N/A | Square Coil |
| 2006 | Chevrolet | Monte Carlo | N/A | Square Coil |
| 2006 | Chevrolet | SSR | N/A | Square Coil |
| 2006 | Chevrolet | Trailblazer | N/A | Square Coil |
| 2006 | Chevrolet | Trailblazer EXT | N/A | Square Coil |
| 2006 | GMC | Envoy | N/A | Square Coil |
| 2006 | GMC | Envoy XL | N/A | Square Coil |
| 2006 | Isuzu | Ascender | N/A | Square Coil |
| 2006 | Pontiac | Grand Prix | N/A | Square Coil |
| 2006 | Pontiac | GTO | N/A | Square Coil |
| 2006 | Saab | 9-7x | N/A | Square Coil |
| 2005 | Buick | Rainier | N/A | Square Coil |
| 2005 | Chevrolet | Corvette | N/A | Square Coil |
| 2005 | Chevrolet | SSR | N/A | Square Coil |
| 2005 | Chevrolet | Trailblazer EXT | N/A | Square Coil |
| 2005 | GMC | Envoy | N/A | Square Coil |
| 2005 | GMC | Envoy XL | N/A | Square Coil |
| 2005 | GMC | Envoy XUV | N/A | Square Coil |
| 2005 | Isuzu | Ascender | N/A | Square Coil |
| 2005 | Pontiac | Grand Prix | N/A | Square Coil |
| 2005 | Pontiac | GTO | N/A | Square Coil |
| 2005 | Saab | 9-7x | N/A | Square Coil |
| 2004 | GMC | Envoy XL | N/A | Square Coil |
| 2004 | Pontiac | GTO | N/A | Square Coil |
| 2003 | GMC | Envoy XL | N/A | Square Coil |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.