NGK 48859 Ignition Coil

Reliable Ignition Coil for Mazda 3 and Mazda 5 Vehicles

The NGK COP Ignition Coil 48859 is designed to deliver consistent ignition performance for Mazda 3 and Mazda 5 models. This ignition coil supports distributorless ignition systems and ensures efficient spark delivery directly at the plug.

• Voltage: 12V for standard automotive electrical systems
• Ignition Type: Distributorless ignition system compatible
• Coil Type: Coil on plug (COP) design for direct spark delivery
• Terminal Type: Blade terminals with 3 terminals total
• Connector Gender: Female connector with male terminals
• Oil Filled: No, designed for dry operation
• Mounting Bracket: Not included
• Part Number: U5253 (Stock Number 48859)

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 integrating the coil directly onto the spark plug. This design improves ignition efficiency and reduces potential points of failure in the ignition system. The NGK COP Ignition Coil 48859 is engineered to meet the specific electrical and mechanical requirements of Mazda 3 and Mazda 5 vehicles, ensuring compatibility and reliable operation.

Product Details and Specifications

This ignition coil operates at 12 volts and is intended for distributorless ignition systems, which are common in modern Mazda vehicles. The coil-on-plug (COP) design allows for a compact installation directly on the spark plug, improving ignition timing accuracy and reducing energy loss. The blade-type terminals with a female connector and male terminals provide secure electrical connections. This coil is not oil filled, which is typical for COP coils, and does not include a mounting bracket, so it mounts directly to the engine as designed by the manufacturer.

Common Applications and Issues Addressed

• Replacement for faulty or worn ignition coils in Mazda 3 and Mazda 5 models
• Resolves engine misfires caused by weak or inconsistent spark delivery
• Improves engine starting reliability and smoothness
• Addresses rough idling and hesitation during acceleration
• Prevents ignition coil-related check engine light codes

Installation Notes and Tips

When installing the NGK COP Ignition Coil 48859, 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 properly. Reconnect the electrical connector securely. No mounting bracket is included, so use the existing mounting points on the engine. Verify proper installation by starting the engine and checking for smooth operation.

Quality Assurance and Warranty

NGK ignition coils are manufactured to meet strict quality standards for durability and performance. The NGK COP Ignition Coil 48859 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.