NGK 48846 Ignition Coil

NGK COP Ignition Coil for Ford, Mazda, and Mercury

NGK Ignition Coil Part Number 48846 is a coil-on-plug replacement built for distributorless ignition systems. It is engineered to meet or exceed OE standards for durability and consistent spark delivery, making it a direct-fit choice for select Ford Focus, Ford Escape, Ford Transit Connect, Mazda 3, Mazda 6, Mazda Tribute, and Mercury Mariner applications.

Key Features

• Coil-on-plug (COP) design for distributorless ignition systems
• 12-volt ignition coil with blade terminals
• Female connector with male terminals
• Oil-filled: No
• Mounting bracket not included
• NGK Part Number 48846 / U5019

Product Details

NGK COP Ignition Coil Part Number 48846 is part of NGK’s ignition coil line, developed for late-model domestic and import vehicles that use coil-on-plug ignition. NGK builds and tests these coils under controlled lab conditions to verify performance and durability across demanding operating environments. For drivers servicing a Ford Focus ignition coil, Mazda Tribute ignition coil, or Mercury Mariner ignition coil, this part provides the OE-style configuration needed for proper ignition system operation.

This part cross-references Delphi GN10229 and DENSO Auto Parts 673-6010 for the same application.

What It Helps Fix

• Engine misfire caused by a weak or failing ignition coil
• Rough idle or hesitation during acceleration
• Hard starting related to inconsistent spark output
• Check engine light conditions tied to ignition coil faults
• Loss of power from degraded coil performance

Installation Notes and Fitment

Compatible With 2010-2013 Ford Transit Connect, N/A; 2003-2011 Ford Focus, N/A; 2005-2008 Ford Escape, N/A; 2008 Mazda Tribute, N/A; 2005-2006 Mazda Tribute, N/A; 2005-2008 Mercury Mariner, N/A; 2004-2005 Mazda 3, N/A; and 2005 Mazda 6, N/A, Calif. Emissions.

Before installation, confirm the connector style, terminal layout, and engine application against the original coil. This NGK 48846 ignition coil is designed for distributorless COP systems, so proper seating and electrical connection are important for reliable operation. If replacing a coil on a Ford Focus, Mazda 3, or Mazda Tribute, inspect the spark plug and related ignition components at the same time.

Quality Assurance

NGK manufactures ignition coils to meet or exceed OE standards and validates designs in an ISO 17025 accredited test lab. The brand’s long-standing OE legacy and broad vehicle coverage support confident replacement selection for select Ford, Mazda, and Mercury ignition systems.