NGK 49424 Ignition Coil

NGK COP Ignition Coil for OE Replacement

NGK Part Number 49424 is a COP (pencil type) ignition coil built for distributorless ignition systems and standard replacement service. It is a 12-volt, bolt-on coil with a black housing, female connector, and blade terminals for direct-fit service on select Toyota, Pontiac, and Chevrolet applications.

Compatible With 1999-2008 Toyota Corolla, 2000-2005 Toyota Celica, 2000-2005 Toyota MR2 Spyder, 2003-2008 Toyota Matrix, 2003-2008 Pontiac Vibe, and 2000-2002 Chevrolet Prizm. This NGK 49424 ignition coil is also cross-referenced as Continental 49424 for the same application.

Key Features

• COP (pencil type) ignition coil for distributorless ignition systems
• 12.0-volt standard replacement design
• Bolt-on mount with one mounting hole
• Female connector with male blade terminals
• Black housing for OE-style service replacement
• NGK Part Number 49424 / U5029-4

Product Details

NGK ignition coils are engineered to meet or exceed OE standards and are developed with extensive testing in an ISO 17025 accredited lab. The 49424 coil is part of NGK COP (Pencil Type) Ignition Coil Multi-Pack coverage and is built for late-model domestic and import vehicles that use a coil-on-plug ignition layout. For drivers servicing a Toyota Corolla, Matrix, Celica, or MR2 Spyder, this coil supports consistent ignition performance in a direct replacement format.

NGK 49424 is a practical choice when replacing a worn or failed coil on vehicles that use a pencil-style coil mounted directly to the spark plug. The part number 49424 is commonly searched for OE-style ignition coil replacement on Toyota Corolla and Pontiac Vibe applications.

Common Problems This Coil Can Address

• Engine misfire under load or at idle
• Hard starting caused by weak ignition output
• Rough running and hesitation during acceleration
• Check engine light related to ignition coil faults
• Loss of spark from a failed coil-on-plug unit

Installation Notes and Tips

Verify connector style, terminal layout, and mounting style before installation. This coil uses a bolt-on mount with a single mounting hole and a female connector, so the original ignition coil connector and mounting point should match the vehicle application. Inspect the spark plug, plug well, and connector for heat damage or corrosion before installing the new coil.

Quality Assurance

NGK develops ignition coils to OE-level standards and validates designs through controlled laboratory testing under demanding conditions. With more than 80 years of automotive experience, NGK supports broad vehicle coverage and consistent replacement quality for ignition service.