NGK 49174 Ignition Coil

Reliable Ignition Coil for Select GM and Isuzu Vehicles

The NGK COP Ignition Coil Multi-Pack (part number 49174) is designed to deliver consistent ignition performance for distributorless ignition systems. Engineered for compatibility with various Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models, this ignition coil ensures efficient spark delivery for optimal engine operation.

• 12-volt ignition coil designed for distributorless ignition systems
• Coil-on-plug (COP) design for direct spark plug connection
• Blade-type terminals with three terminal connections
• Female connector and male terminal gender for secure electrical fit
• Oil-free construction for reliable operation without fluid maintenance
• Compatible with multiple GM and Isuzu SUVs and crossovers

About the NGK COP Ignition Coil Multi-Pack

The NGK COP Ignition Coil Multi-Pack offers a set of coil-on-plug ignition coils that provide direct spark delivery to each cylinder, eliminating the need for spark plug wires. This design improves ignition efficiency and reduces misfires in distributorless ignition systems. The multi-pack format is ideal for servicing multiple cylinders or vehicles, ensuring consistent quality across all coils.

Product Details and Specifications

This ignition coil operates at 12 volts and is specifically designed for distributorless ignition systems, commonly found in modern GM and Isuzu vehicles. The coil-on-plug (COP) type allows the coil to mount directly on the spark plug, improving ignition timing and reducing energy loss. The blade terminal type with three terminals ensures a secure electrical connection, featuring a female connector and male terminal gender. The coil is oil-free, which simplifies maintenance and enhances durability under typical engine conditions. Note that this part does not include a mounting bracket.

Compatible Vehicles and Applications

• Buick 9-7x
• Chevrolet Trailblazer, Trailblazer EXT, Rainier
• GMC Envoy, Envoy XL, Envoy XUV, Bravada
• Isuzu Ascender
• Oldsmobile models compatible with distributorless ignition
• Saab models compatible with distributorless ignition

Common Issues Addressed by This Ignition Coil

• Engine misfires and rough idling due to faulty ignition coils
• Difficulty starting the engine or intermittent stalling
• Reduced fuel efficiency caused by incomplete combustion
• 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 Multi-Pack (part number 49174), ensure the ignition system is fully powered down to avoid electrical shock. Verify the coil’s blade terminals and connector gender match the vehicle’s wiring harness for proper fitment. Since this coil is designed for distributorless ignition systems, confirm compatibility with your specific make and model before installation. No mounting bracket is included, so use the existing hardware for secure installation.

Quality Assurance and Warranty

NGK ignition coils are manufactured to meet OEM specifications, ensuring reliable performance and durability. The NGK COP Ignition Coil Multi-Pack undergoes rigorous testing to maintain consistent quality. While specific warranty details are not provided here, NGK typically offers coverage against manufacturing defects. Consult the product packaging or NGK documentation for exact warranty terms.