NGK 48678 Ignition Coil

Reliable Ignition Coil for Jaguar LS and Lincoln S-Type

The NGK COP Ignition Coil 48678 is designed to deliver consistent ignition performance for select Jaguar and Lincoln models. Engineered for distributorless ignition systems, this coil ensures efficient spark delivery directly at the plug.

• 12-volt ignition coil compatible with distributorless ignition systems
• Coil-on-plug (COP) design for direct spark plug connection
• Blade-type terminals with two terminals for secure electrical connection
• Female connector and male terminal gender for proper fitment
• Non-oil filled construction for reliable operation
• Compatible with Jaguar LS and Lincoln S-Type models
• Part number U5031, stock number 48678

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. The NGK COP Ignition Coil 48678 is part of this line, providing a direct fit replacement for vehicles equipped with distributorless ignition systems such as the Jaguar LS and Lincoln S-Type.

Product Details and Specifications

This ignition coil operates at 12 volts and is designed specifically for distributorless ignition systems, which are common in modern vehicles like the Jaguar LS and Lincoln S-Type. The coil-on-plug (COP) design allows for a compact installation directly on the spark plug, improving ignition timing and reducing energy loss. The coil features blade-type terminals with two terminals, ensuring a secure electrical connection. The connector is female, while the terminal gender is male, matching factory specifications. This coil is not oil filled, which is typical for COP ignition coils, and does not include a mounting bracket.

Common Applications and Issues Addressed

• Replacement for faulty or worn ignition coils in Jaguar LS and Lincoln S-Type
• Resolves engine misfires caused by weak or inconsistent spark
• Improves starting reliability and engine performance
• Eliminates rough idling related to ignition coil failure
• Addresses check engine light codes related to ignition coil malfunction

Installation Notes and Tips

When installing the NGK COP Ignition Coil 48678, ensure the ignition system is off and the engine is cool. The coil mounts directly onto the spark plug, so verify the spark plug condition before installation. Connect the blade terminals securely, matching the female connector and male terminal orientation. No mounting bracket is included, so use the existing vehicle hardware. Proper installation will maintain the distributorless ignition system's performance and reliability.

Quality Assurance and Warranty

NGK ignition coils are manufactured to meet OEM standards for fit, form, and function. The NGK COP Ignition Coil 48678 undergoes rigorous testing to ensure durability and consistent performance. While specific warranty details are not provided here, NGK products typically come with a limited warranty against defects in materials and workmanship.