NGK 48670 Ignition Coil

Reliable Ignition Performance for Audi and Volkswagen Vehicles

The NGK COP Ignition Coil 48670 is designed to deliver consistent ignition performance for select Audi and Volkswagen models. Engineered for distributorless ignition systems, this coil on plug (COP) unit ensures precise spark delivery to maintain engine efficiency and smooth operation.

• 12-volt ignition coil compatible with distributorless ignition systems
• Coil on plug (COP) design for direct spark delivery
• Blade terminal type with 4 terminals for secure electrical connection
• Female connector and male terminal gender for proper fitment
• Oil-free construction for reliable operation without leakage concerns
• Compatible with multiple Audi and Volkswagen models including A4, A6 Quattro, Golf, Jetta, Passat, and more
• NGK part number 48670 (U5022) 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 reduces energy loss and improves ignition timing accuracy. The NGK COP Ignition Coil 48670 is part of this line, providing a reliable and efficient ignition solution for distributorless ignition systems in various Audi and Volkswagen vehicles.

Product Details and Specifications

This ignition coil operates at 12 volts and is specifically designed for distributorless ignition systems, which are common in modern Audi and Volkswagen engines. The coil on plug (COP) type allows for direct spark plug connection, enhancing ignition efficiency. It features a blade terminal type with four terminals, ensuring a secure and stable electrical connection. The connector is female, while the terminal gender is male, matching OEM specifications. The coil is oil-free, reducing maintenance concerns related to oil leaks. This part is identified by NGK part number 48670 and stock number 48670, with an alternate part number U5022.

Compatible Vehicles and Common Applications

• Audi A4, A4 Quattro, A6 Quattro, A8 Quattro
• Audi RS6, S6, S8, TT, TT Quattro
• Volkswagen Beetle, Golf, Jetta, Passat

This ignition coil is suitable for use in these models equipped with distributorless ignition systems requiring a coil on plug design.

Common Issues Addressed by NGK COP Ignition Coil 48670

• Engine misfires due to weak or inconsistent spark
• Rough idling or hesitation during acceleration
• Difficulty starting the engine or extended crank time
• Check engine light triggered by ignition coil faults
• Reduced fuel efficiency caused by incomplete combustion

Installation Notes and Tips

When installing the NGK COP Ignition Coil 48670, ensure the ignition system is fully powered down to avoid electrical shock. Verify the connector gender and terminal type match the vehicle’s wiring harness. Since this coil does not include a mounting bracket, use the existing OEM bracket or mounting points. Properly seat the coil on the spark plug to maintain optimal spark delivery and prevent misfires.

Quality Assurance and Warranty

NGK ignition coils are manufactured to meet strict OEM standards for durability and performance. The NGK COP Ignition Coil 48670 undergoes rigorous testing to ensure reliable operation under various driving conditions. Warranty coverage details should be confirmed with the original parts provider or vehicle manufacturer.