NGK 48946 Ignition Coil

Reliable Ignition Performance for Mazda Vehicles

The NGK COP Ignition Coil 48946 is designed to deliver consistent ignition performance for select Mazda models, including the Mazda 3, Mazda 3 Sport, Mazda 6, CX-7, and MX-5 Miata. This ignition coil supports distributorless ignition systems and ensures efficient spark delivery for optimal engine operation.

• 12-volt ignition coil designed for distributorless ignition systems
• Coil-on-plug (COP) type for direct spark plug connection
• Blade terminal type with three terminals for secure electrical connections
• Female connector and male terminal gender for proper fitment
• Compatible with multiple Mazda models: 3, 3 Sport, 6, CX-7, and MX-5 Miata
• Part number U5063 and stock number 48946 for accurate identification

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 in the ignition system. The NGK COP Ignition Coil 48946 is part of this line, engineered to meet the specific electrical and mechanical requirements of compatible Mazda vehicles.

Product Details and Specifications

This ignition coil operates at 12 volts and is designed for distributorless ignition systems, which are common in modern Mazda engines. The coil-on-plug configuration allows for a direct connection to the spark plug, enhancing ignition timing accuracy and reducing energy loss. The coil is not oil-filled, which is typical for this type of ignition coil, and it features a blade terminal type with three terminals. The connector is female, while the terminals are male, ensuring proper electrical connectivity. Note that this part does not include a mounting bracket.

Common Applications and Issues Addressed

• Replacement for faulty or worn ignition coils in Mazda 3, 3 Sport, 6, CX-7, and MX-5 Miata models
• Resolves engine misfires caused by weak or inconsistent spark delivery
• Improves engine starting reliability and smoothness
• Addresses rough idling and poor acceleration linked to ignition coil failure
• Helps restore proper ignition timing and combustion efficiency

Installation Notes and Tips

When installing the NGK COP Ignition Coil 48946, ensure the ignition system is off and the engine is cool. Carefully disconnect the electrical connector by releasing the female connector clip. Remove the old coil by unscrewing or unclipping it from the spark plug. Install the new coil directly onto the spark plug, making sure the blade terminals align correctly. No mounting bracket is included, so use the existing mounting hardware if applicable. Verify all connections are secure before starting the engine.

Quality Assurance and Warranty

NGK ignition coils are manufactured to meet strict quality standards for durability and performance. The NGK COP Ignition Coil 48946 undergoes rigorous testing to ensure reliable operation in distributorless ignition systems. While specific warranty details may vary, NGK typically offers a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.