NGK 48979 Ignition Coil

NGK COP Ignition Coil for Ford, Lincoln, Mazda, and Mercury

NGK Ignition Coil Part Number 48979 is a coil-on-plug ignition coil built for distributorless ignition systems. It is engineered to meet or exceed OE standards for durability and consistent ignition performance, making it a direct replacement choice for a wide range of Ford, Lincoln, Mazda, and Mercury applications.

The NGK COP Ignition Coil line combines OE-focused design with testing performed in an ISO 17025 accredited lab. Part number 48979 is built for 12-volt systems and uses a COP (coil on plug) design with a female connector, male terminals, and blade-style terminals for the specified applications.

Key Features

• NGK ignition coil, part number 48979
• Coil-on-plug design for distributorless ignition systems
• 12-volt ignition coil construction
• Blade terminal type with 2 terminals
• Female connector gender and male terminal gender
• Oil filled: No
• Mounting bracket included: No
• OE-style replacement for late-model domestic and import vehicles

Detailed Description

NGK 48979 is part of the NGK COP Ignition Coil line, developed for vehicles that use a coil-on-plug ignition setup. This design places the coil directly at the spark plug location to support reliable spark delivery in distributorless ignition systems. NGK builds these coils to OE-level standards and validates them under demanding test conditions to confirm durability and operational consistency.

Compatible With Ford Fusion, Ford Escape, Ford Transit Connect, Ford C-Max, Lincoln MKZ, Mazda Tribute, Mercury Mariner, and Mercury Milan applications listed below, this ignition coil is a practical replacement for drivability and misfire-related service work. This part cross-references Standard Ignition UF-621 for the same application.

Vehicle Fitment

• Fits 2014-2022 Ford Transit Connect, N/A
• Fits 2010-2020 Ford Fusion, N/A
• Fits 2019-2020 Ford SSV Plug-In Hybrid, N/A
• Fits 2011-2020 Lincoln MKZ, N/A
• Fits 2009-2019 Ford Escape, N/A
• Fits 2013-2018 Ford C-Max, N/A
• Fits 2009-2011 Mazda Tribute, N/A
• Fits 2009-2011 Mercury Mariner, N/A
• Fits 2010-2011 Mercury Milan, N/A

Common Issues This Part May Address

• Engine misfire under load or at idle
• Rough running after coil failure
• Hard starting caused by weak ignition output
• Check engine light related to ignition coil faults
• Intermittent spark loss on coil-on-plug systems

Installation Notes and Tips

Verify the connector style, terminal layout, and engine application before installation. Inspect the spark plug, plug well, and wiring connector for damage or contamination before replacing the coil. For best results, confirm the vehicle’s exact year, engine configuration, and ignition system against the listed fitment for Ford Fusion, Ford Escape, Lincoln MKZ, and related applications.

Quality Assurance

NGK states that its ignition coils are manufactured to meet or exceed OE standards and are tested in an ISO 17025 accredited laboratory. The brand’s long-standing OE legacy and broad vehicle coverage support confidence in replacement selection for the NGK 48979 ignition coil.