Prenco 36-1205 Ignition Coil

Ignition Coil for GM Round-Coil Applications

Prenco 36-1205 is a 12-volt ignition coil built for round-coil Delphi ignition systems. It uses a 4-terminal blade connection with a female connector and male terminals, and it does not require an external resistor or an oil-filled design.

Use this ignition coil when servicing GM trucks, SUVs, and vans that call for the round-coil style used on many Chevrolet, GMC, Cadillac, Buick, Hummer, and Isuzu applications. Prenco 36-1205 is a direct-fit replacement for a wide range of 1999-2007 vehicles, including Chevrolet Silverado, GMC Sierra, and Chevrolet Tahoe platforms.

• 12-volt ignition coil for round-coil Delphi ignition systems
• Blade terminal design with 4 terminals
• Female connector and male terminal gender
• No external resistor required
• Non-oil-filled construction
• No mounting bracket included

Detailed Product Overview

Prenco 36-1205 is engineered for vehicles that use a round ignition coil layout, making it a practical replacement for common GM truck and SUV ignition service. It cross-references Standard Ignition UF-262 and Delphi GN10119 for the same application. This part number is frequently searched for Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade ignition coil replacement needs.

Compatible With: Fits 1999-2007 Chevrolet Silverado 1500, N/A; Fits 2000-2006 Chevrolet Tahoe, N/A; Fits 1999-2007 GMC Sierra 1500, N/A; Fits 2002-2006 Cadillac Escalade, N/A; Fits 2003-2007 Hummer H2, N/A.

Common Symptoms This Part May Address

• Engine misfire under load
• Hard starting or extended crank time
• Rough idle or intermittent stumble
• Loss of spark from a failing coil
• Check engine light related to ignition performance

Installation Notes and Tips

Verify the original coil shape, terminal style, and connector layout before installation. This part is listed for N/A position applications and should be matched to the vehicle’s Delphi-style round coil setup. Confirm fitment by year, make, model, and ignition system before replacing the coil on Chevrolet Silverado, GMC Sierra, or related GM applications.

Quality Assurance

Prenco 36-1205 is built to meet the electrical and connector requirements of the listed applications, with fitment coverage spanning 1999-2007 model years across multiple GM platforms.