NGK 49122 Ignition Coil

Reliable Ignition Performance for Subaru Vehicles

The NGK COP Ignition Coil 49122 is designed to deliver consistent ignition voltage for Subaru models including Forester, Impreza, Legacy, WRX, and WRX STI. This electronic ignition coil ensures efficient spark delivery for optimal engine performance.

• 12-volt electronic ignition coil
• Coil-on-plug (COP) design for direct spark plug connection
• Blade-type male terminals with three terminal connections
• Oil-free construction for reliable operation
• Compatible with multiple Subaru models: Forester, Impreza, Legacy, WRX, WRX STI

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 reduces energy loss and improves ignition efficiency. The 49122 part number is part of this line, engineered to meet the specific ignition requirements of Subaru engines.

Product Details and Specifications

This ignition coil operates at 12 volts and features an electronic ignition type, providing precise spark timing and reliable ignition. The coil-on-plug (COP) design simplifies installation and enhances ignition system performance by delivering voltage directly to the spark plug. The coil is not oil filled, which reduces maintenance concerns related to oil leaks. It includes three blade-type male terminals for secure electrical connections. Note that this part does not include a mounting bracket.

Common Applications and Problem Solving

• Restores proper ignition spark in Subaru Forester, Impreza, Legacy, WRX, and WRX STI models
• Resolves engine misfires caused by faulty ignition coils
• Improves engine starting and smooth idling issues
• Addresses rough acceleration and power loss related to ignition coil failure
• Prevents ignition coil-related check engine light triggers

Installation Notes and Tips

When installing the NGK COP Ignition Coil 49122, ensure the ignition system is powered off to avoid electrical shock. The coil-on-plug design allows for direct mounting onto the spark plug, eliminating the need for spark plug wires. Verify the blade-type male terminals align correctly with the vehicle’s wiring harness. Since no mounting bracket is included, use the existing bracket or mounting points on the vehicle. Proper torque specifications should be followed to avoid damage.

Quality Assurance and Warranty

NGK ignition coils are manufactured to meet OEM standards for durability and performance. The 49122 ignition coil undergoes rigorous testing to ensure reliable operation in Subaru vehicles. Warranty coverage details should be confirmed with the original parts provider or manufacturer documentation.