Prenco 36-8120 Ignition Coil

Ignition Coil for GM and Saab Applications

Prenco 36-8120 is a 12-volt black ignition coil built for direct replacement use on a range of GM and Saab vehicles. It is listed for applications including Chevrolet Colorado, GMC Canyon, Hummer H3, Hummer H3T, Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, Isuzu Ascender, and Buick Rainier.

Key Features

• 12-volt ignition coil for engine ignition system service
• Black housing finish
• Direct-fit application coverage for multiple GM-platform vehicles
• Cross-references DENSO Auto Parts 673-7003 and Standard Ignition UF-497 for the same application
• Part number: 36-8120

Detailed Description

Prenco 36-8120 is an ignition coil intended for vehicles that use a coil-on-engine ignition setup across several Chevrolet, GMC, Hummer, Saab, Isuzu, and Buick applications. It is a practical replacement choice when servicing ignition output on 2006-2012 Chevrolet Colorado and GMC Canyon models, as well as 2006-2010 Hummer H3 and 2009-2010 Hummer H3T applications. The same part number also covers 2006-2009 Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x, plus 2006-2008 Isuzu Ascender and 2006-2007 Buick Rainier. If you are searching for a Prenco 36-8120 ignition coil for Chevrolet Colorado or GMC Canyon service, this listing matches the confirmed fitment data.

This part cross-references DENSO Auto Parts 673-7003 and Standard Ignition UF-497 for the same application.

What It Helps Address

• Engine misfire caused by weak ignition output
• Hard starting related to coil failure
• Rough idle from inconsistent spark delivery
• Loss of power under load tied to ignition breakdown
• Check engine light conditions associated with ignition coil faults

Installation Notes and Tips

Verify the vehicle year, make, and model against the fitment list before ordering. Confirm the existing coil connector style and mounting location on the vehicle before installation. For best results, inspect related ignition components such as spark plugs and boots during service, especially on 2007 Chevrolet Colorado, GMC Canyon, and Hummer H3 applications where the notes indicate a boot kit reference. Use the part number 36-8120 to confirm the correct replacement during diagnosis and parts lookup.

Quality Assurance

Prenco ignition components are cataloged for direct replacement use across confirmed vehicle applications. This ignition coil is specified as a 12-volt unit and is listed with OE-style interchange references for parts matching and verification.