NGK 49429 Ignition Coil

NGK COP Ignition Coil for Honda and Acura

NGK Part Number 49429 is a COP (pencil type) ignition coil built for distributorless ignition systems. It is a standard replacement coil for late-model Honda and Acura applications, including Civic, CR-V, Accord, Element, RSX, CSX, and S2000 fitments.

Key Features

• COP (pencil type) ignition coil for distributorless ignition systems
• 12-volt, bolt-on design with a single mounting hole
• Female connector with 3 terminals and blade-style terminal type
• Standard replacement grade for OE-style service
• Black housing, non-oil-filled construction
• NGK Part Number 49429 / U5099-4

Product Details

NGK COP (Pencil Type) Ignition Coil Multi-Pack 49429 is engineered to meet or exceed OE standards for durability and consistent ignition performance. NGK develops and tests its coil designs in an ISO 17025 accredited lab under severe operating conditions, then applies that validation to broad coverage across domestic and import vehicles. For drivers and technicians servicing Honda Civic, Honda CR-V, Honda Accord, or Acura RSX applications, this coil supports reliable spark delivery in distributorless ignition systems.

The NGK COP ignition coil line is part of NGK’s ignition-focused product range, backed by decades of OE experience and global manufacturing and distribution capability. If you are replacing a failing coil on a 2002-2011 Honda Civic or a 2002-2009 Honda CR-V, NGK 49429 provides an OE-style service part built for direct-fit maintenance.

This part cross-references DENSO Auto Parts (e.g., 673-2301) and Standard Ignition (e.g., UF-311) for the same application.

What It Helps Fix

• Engine misfire caused by weak or failing ignition coil output
• Hard starting related to inconsistent spark delivery
• Rough idle from ignition breakdown under load
• Loss of acceleration response tied to coil degradation
• Check engine light conditions associated with ignition coil faults

Installation Notes and Tips

Verify connector style, terminal count, and mounting style before installation. This coil uses a bolt-on mount, a female connector, and a 3-terminal blade connection. Confirm vehicle-specific fitment for your Honda or Acura application, including 2002-2011 Honda Civic, 2002-2009 Honda CR-V, 2003-2007 Honda Accord, 2003-2011 Honda Element, 2002-2006 Acura RSX, 2006-2011 Acura CSX, and 2004-2005 Honda S2000.

Inspect the spark plug condition and related ignition components during coil replacement to help prevent repeat misfire concerns. NGK Part Number 49429 is a direct service option for distributorless ignition systems that use a pencil-style coil.

Quality Assurance

NGK manufactures ignition coils to OE-level standards and validates designs through controlled testing in an accredited laboratory environment. The brand’s long-standing ignition expertise and broad vehicle coverage support dependable service for Honda and Acura ignition coil replacement needs.