NGK 49171 Ignition Coil

Reliable Ignition Coil for Ford, Lincoln, and Mercury Vehicles

The NGK COP Ignition Coil Multi-Pack (Part Number 49171) is designed to deliver consistent ignition performance for select Ford, Lincoln, and Mercury models. Engineered for distributorless ignition systems, this coil-on-plug unit ensures efficient spark delivery and reliable engine operation.

• 12-volt ignition coil compatible with distributorless ignition systems
• Coil-on-plug (COP) design for direct spark plug connection
• Blade terminal type with two terminals for secure electrical connection
• Female connector and male terminal configuration
• Oil-free construction for maintenance-free operation

About the NGK COP Ignition Coil Multi-Pack

The NGK COP Ignition Coil Multi-Pack offers a set of ignition coils designed specifically for coil-on-plug ignition systems. This product line focuses on providing reliable ignition components that meet OEM specifications for voltage and terminal configuration. The multi-pack format is ideal for servicing multiple cylinders in vehicles such as the Ford F-150, Lincoln Navigator, and Mercury Mountaineer, ensuring consistent ignition performance across all cylinders.

Product Details and Specifications

This ignition coil operates at 12 volts and is designed for distributorless ignition systems, which are common in modern Ford, Lincoln, and Mercury vehicles. The coil-on-plug (COP) design eliminates the need for spark plug wires by mounting directly on the spark plug, improving ignition efficiency and reducing potential failure points. The coil features a blade terminal type with two terminals, a female connector, and male terminal gender, ensuring compatibility with factory wiring harnesses. This coil is not oil-filled, which simplifies maintenance and reduces the risk of leaks.

Compatible Vehicles and Applications

• Ford Expedition, Explorer, Explorer Sport Trac
• Ford F-150, F-250 Super Duty, F-350 Super Duty
• Lincoln Mark LT, Navigator
• Mercury Mountaineer, Mustang

Common Issues Addressed by This Ignition Coil

• Engine misfires and rough idling
• Difficulty starting the engine
• Reduced fuel efficiency due to incomplete combustion
• Check engine light related to ignition faults
• Loss of power or hesitation during acceleration

Installation Notes and Tips

When installing the NGK COP Ignition Coil Multi-Pack (Part Number 49171), 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. Since this coil is designed for coil-on-plug systems, it mounts directly onto the spark plug without additional hardware. Inspect spark plugs and wiring for wear or damage during replacement to maintain optimal ignition performance.

Quality Assurance and Warranty

NGK ignition coils are manufactured to meet strict quality standards and OEM specifications. While specific warranty details for Part Number 49171 are not provided here, NGK products typically come with a limited warranty against defects in materials and workmanship. For warranty information, refer to NGK’s official documentation or contact the parts distributor.