NGK 48929 Ignition Coil

Reliable Ignition Performance for Nissan and INFINITI Vehicles

The NGK COP Ignition Coil 48929 is designed to deliver consistent ignition power for select Nissan and INFINITI models. Engineered for distributorless ignition systems, this coil ensures efficient spark delivery directly to the spark plug, supporting optimal engine performance.

• 12-volt ignition coil compatible with 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 fitment
• Non-oil filled construction for reliable operation
• Compatible with Nissan 350Z, FX35, G35, and INFINITI M35 models
• Part number U5123, stock number 48929

About the NGK COP Ignition Coil Product Line

The NGK COP Ignition Coil line focuses on coil-on-plug technology, eliminating the need for traditional spark plug wires. This design improves ignition efficiency by delivering high voltage directly to the spark plug, reducing energy loss and enhancing combustion consistency. The NGK COP Ignition Coil 48929 is part of this line, tailored for distributorless ignition systems in specific Nissan and INFINITI vehicles.

Product Details and Specifications

This ignition coil operates at 12 volts and is designed specifically for distributorless ignition systems, which are common in modern Nissan and INFINITI engines. The coil-on-plug (COP) type allows for a direct connection to the spark plug, improving ignition timing and reducing misfires. It features blade-type terminals with three connections, ensuring a secure electrical interface. The coil is not oil filled, which simplifies maintenance and reduces potential leak points. The connector is female, while the terminal gender is male, matching OEM specifications for proper installation.

Common Applications and Problem Resolution

• Resolves engine misfires and rough idling in Nissan 350Z and INFINITI M35
• Improves ignition reliability in distributorless ignition systems
• Addresses poor acceleration and hesitation issues in Nissan FX35 and G35
• Eliminates weak or inconsistent spark delivery
• Prevents engine stalling related to faulty ignition coils

Installation Notes and Tips

When installing the NGK COP Ignition Coil 48929, ensure the ignition system is off and the engine is cool. Verify the connector gender and terminal type match the vehicle’s wiring harness. No mounting bracket is included, so use the existing OEM mounting points. Properly seat the coil on the spark plug to avoid misfires. Inspect wiring and connectors for corrosion or damage before installation.

Quality Assurance and Warranty

NGK ignition coils are manufactured to meet strict OEM standards for durability and performance. The NGK COP Ignition Coil 48929 undergoes rigorous testing to ensure consistent voltage output and resistance to heat and vibration. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed warranties covering defects in materials and workmanship.