NGK 49417 Ignition Coil

Ignition Coil Overview

NGK 49417 is a standard replacement ignition coil built as a COP (pencil type) unit for distributorless ignition systems. It is engineered to meet or exceed OE standards for durability and consistent operation, making it a direct service part for a range of Honda and Acura applications.

Key Features

• COP (pencil type) ignition coil for distributorless ignition systems
• 12.0-volt design with a bolt-on mount
• Female connector with blade terminals and 3-terminal layout
• Standard replacement construction for OE-style service
• Black housing with a compact coil-on-plug form factor

Detailed Description

NGK 49417 ignition coil is designed for vehicles that use a coil-on-plug ignition layout, where each coil serves an individual cylinder location. The pencil-type design, 12.0-volt specification, and bolt-on mounting style support straightforward replacement in applications that call for this configuration. This part number 49417 is listed for multiple Honda and Acura models, including the Honda Accord, Honda Odyssey, and Acura TL, among others.

NGK’s manufacturing approach emphasizes OE-level standards, and the coil design is developed and tested in an ISO 17025 accredited laboratory. That background matters for buyers looking for a replacement ignition coil that matches the electrical and physical requirements of the original part. Part number 49417 is also cross-referenced to Beck/Arnley 178-8379 and Delphi GN10426 for the same application.

What It Helps Address

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

Installation Notes and Tips

Verify the vehicle’s ignition system uses a COP pencil-type coil with a 12.0-volt distributorless setup before ordering. Confirm connector style, terminal layout, and mounting style against the original part to ensure proper fitment. Fits 2008-2017 Honda Odyssey, 2013-2015 Acura RDX, 2009-2015 Honda Pilot, 2009-2014 Acura TL, 2010-2014 Acura TSX, 2009-2014 Honda Ridgeline, 2010-2013 Acura MDX, 2010-2013 Acura ZDX, 2009-2012 Acura RL, 2008-2012 Honda Accord, 2012 Honda Crosstour, and 2010-2011 Honda Accord Crosstour.

Quality Assurance

NGK develops and tests its ignition coils to meet or exceed OE standards, with validation performed in an ISO 17025 accredited test lab. The brand’s long automotive history and OE legacy support confidence in the replacement part number 49417.