Prenco 36-1239 Ignition Coil

Ignition Coil for GM V8 Applications

Prenco 36-1239 is an ignition coil built for select Cadillac, Chevrolet, and GMC applications that use a blade-terminal, bolt-on design. It features a 4-terminal layout with a female connector and male terminals, plus an included mounting bracket for proper fitment at the coil location.

Use Prenco 36-1239 when replacing a failing coil on vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, or Cadillac CTS where the OE-style configuration matches the listed application.

Key Features

• Ignition coil for select GM vehicles
• Blade terminal type with 4 terminals
• Bolt-on mount type for secure installation
• Female connector and male terminal configuration
• Mounting bracket included
• Cross-references Standard Ignition UF-743 and Spectra Premium C-868 for the same application

Detailed Description

Prenco 36-1239 is an ignition coil intended for direct replacement in a wide range of GM cars, trucks, and SUVs from 2014 through 2022. Fitment includes Cadillac CT5, Escalade, Escalade ESV, and CTS; Chevrolet Camaro, Corvette, Express 2500, Express 3500, Silverado 1500, Silverado 1500 LTD, Silverado 2500 HD, Silverado 3500 HD, and Tahoe; plus GMC Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 Limited, Sierra 2500 HD, Sierra 3500 HD, Yukon, and Yukon XL. The part number 36-1239 is also associated with OE-style interchange references for select GM ignition coil applications.

This ignition coil supports the factory-style electrical connection and mounting format used on listed vehicles, helping restore proper spark delivery when the original coil is worn or damaged. For shoppers searching for a Chevrolet Silverado 1500 ignition coil, GMC Sierra 1500 ignition coil, or Cadillac CTS ignition coil, Prenco 36-1239 provides a fitment-specific replacement option.

What It Is Used For

• Replacing a misfiring or weak ignition coil
• Addressing rough idle caused by coil failure
• Restoring spark output after ignition breakdown
• Correcting check engine light conditions tied to coil faults
• Repairing hard-start or intermittent ignition performance issues

Installation Notes and Tips

Verify the connector style, terminal count, and mounting style against the original coil before installation. Some listed applications include MELCO or square-coil notes, so match the vehicle’s original coil shape and vendor reference carefully. Confirm the exact year, make, and model in the fitment list before ordering, especially on 2019-2022 Chevrolet and GMC applications.

Quality Assurance

Prenco 36-1239 is built to match the listed OE-style fitment requirements for the specified GM applications. Review the vehicle-specific fitment data for Cadillac, Chevrolet, and GMC coverage before installation to ensure the correct replacement part is selected.