NGK 48719 Ignition Coil

Reliable NGK COP Ignition Coil for Select GM and Isuzu Models

The NGK COP Ignition Coil part number 48719 is designed to deliver consistent ignition performance for a range of vehicles including Buick, Chevrolet, GMC, Hummer, Isuzu, and Saab models. This ignition coil supports distributorless ignition systems and is engineered for direct coil-on-plug installation.

• 12-volt ignition coil compatible with distributorless ignition systems
• Coil-on-plug (COP) design for efficient spark delivery
• Blade-type terminals with three terminal connections
• Female connector and male terminal gender for secure electrical fit
• Non-oil filled construction for reliable operation
• Compatible with multiple GM and Isuzu models including Trailblazer, Envoy, and Canyon

About the NGK COP Ignition Coil Product Line

The NGK COP Ignition Coil line focuses on coil-on-plug technology, which eliminates the need for spark plug wires by mounting the coil directly on the spark plug. This design improves ignition efficiency and reduces potential points of failure. The NGK COP Ignition Coil 48719 is part of this line, engineered to meet the specific electrical and mechanical requirements of distributorless ignition systems in select vehicles.

Detailed Product Description

This NGK ignition coil operates at 12 volts and is designed for distributorless ignition systems, providing a direct spark to the plug without the use of a distributor. The coil-on-plug (COP) design simplifies installation and enhances ignition reliability by reducing electrical losses. It features blade-type terminals with three connections, ensuring a secure and stable electrical interface. The female connector and male terminal gender configuration are designed to match factory wiring harnesses for a precise fit. This coil is not oil filled, which is typical for COP coils, allowing for a compact and durable design. The part number U5151 corresponds to this specific coil, with stock number 48719 for reference.

Compatible Vehicles and Common Applications

• Buick 9-7x
• Chevrolet Trailblazer, Trailblazer EXT, Colorado, Canyon
• GMC Envoy, Envoy XL, Canyon
• Hummer H3, H3T
• Isuzu i-290, i-370
• Saab models compatible with distributorless ignition systems

Common Issues Addressed by NGK COP Ignition Coil 48719

• Engine misfires or rough idling due to faulty ignition coil
• Difficulty starting the engine or intermittent stalling
• Reduced fuel efficiency caused by weak spark delivery
• Check engine light triggered by ignition system faults
• Loss of power or hesitation during acceleration

Installation Notes and Tips

When installing the NGK COP Ignition Coil 48719, ensure the ignition system is off and the engine is cool. Disconnect the battery before removal to prevent electrical shorts. Carefully unplug the female connector and remove the old coil by unscrewing or unclipping it from the spark plug. Install the new coil by aligning the blade terminals and connector properly to avoid damage. No mounting bracket is included, so use the existing mounting points on the vehicle. After installation, clear any diagnostic trouble codes and test the ignition system for proper operation.

Quality Assurance and Warranty

NGK ignition coils are manufactured to meet OEM specifications and undergo rigorous quality control testing to ensure durability and performance. The NGK COP Ignition Coil 48719 is built to provide reliable ignition performance under normal operating conditions. Warranty coverage details should be confirmed with the original parts provider or vehicle manufacturer.