NGK 48678 Ignition Coil

NGK COP Ignition Coil for OE-Style Performance

NGK Ignition Coil Part Number 48678 is a distributorless COP (coil on plug) ignition coil built for direct replacement service on select Lincoln LS and Jaguar S-Type applications. It uses a 12-volt design with a female connector, male blade terminals, and a 2-terminal layout for a clean OE-style connection.

Developed by NGK, a long-established ignition specialist, this coil is manufactured to meet or exceed OE standards and tested under demanding conditions in an ISO 17025 accredited lab. The result is a replacement ignition coil designed for dependable spark delivery on late-model domestic and import vehicles, including Lincoln LS and Jaguar S-Type fitments.

Key Features

• NGK COP Ignition Coil, Part Number 48678
• Distributorless coil-on-plug ignition design
• 12-volt electrical specification
• Female connector with 2-terminal blade connection
• OE-standard manufacturing for direct replacement service
• Tested in an ISO 17025 accredited laboratory
• Compatible with select Lincoln LS and Jaguar S-Type applications

Product Details

NGK 48678 is part of the NGK COP Ignition Coil line, a product line focused on coil-on-plug ignition service for modern distributorless systems. This ignition coil is engineered for vehicles that rely on individual coil control at each spark plug, helping maintain consistent ignition performance and stable engine operation. It cross-references Delphi GN10379 for the same application.

Fits 2000-2005 Lincoln LS, N/A. Fits 2000-2002 Jaguar S-Type, N/A. Fits 2003 Jaguar S-Type, N/A with 2 Pin Connector. Fits 2000-2005 Lincoln LS and Jaguar S-Type applications where NGK COP Ignition Coil Part Number 48678 is specified.

Common Issues This Part Addresses

• Engine misfire caused by a weak or failing ignition coil
• Rough idle from inconsistent spark output
• Hard starting related to ignition coil breakdown
• Loss of power under load from poor coil performance
• Check engine light concerns tied to ignition system faults

Installation Notes and Tips

Verify connector style, terminal layout, and vehicle application before installation. This coil uses a distributorless COP configuration with a female connector and male blade terminals, so matching the original electrical connection is important. Confirm the exact fitment for your Lincoln LS or Jaguar S-Type before replacing the coil, and inspect the spark plug and related ignition components at the same time.

Quality Assurance

NGK manufactures this ignition coil to meet or exceed OE standards and validates coil designs through rigorous testing in an ISO 17025 accredited test lab. NGK’s long OE legacy and broad vehicle coverage support confident replacement selection for ignition service.