NGK 49079 Ignition Coil

Ignition Coil Overview

NGK Ignition Coil 49079 is a distributorless coil-on-plug ignition coil built to meet or exceed OE standards. It is a direct-fit replacement for select Porsche applications and is engineered for dependable spark delivery in modern ignition systems.

Compatible With Porsche Boxster and Porsche 911 applications, this NGK COP Ignition Coil uses a 12-volt design with a blade terminal connection and a female connector. The part number 49079 is also identified as U5327.

Key Features

• Coil-on-plug design for distributorless ignition systems
• 12-volt electrical specification
• Blade terminal with 3-terminal layout
• Female connector and male terminal configuration
• Oil-filled: No
• Mounting bracket not included

Fitment Details

Fits 1997-2004 Porsche Boxster, N/A.

Fits 1999-2001 Porsche 911, N/A.

This part cross-references Delphi GN10504 for the same application.

What It Helps Address

• Misfires caused by weak or inconsistent ignition output
• Hard starting related to coil degradation
• Rough idle from unstable spark delivery
• Loss of engine performance from failing ignition components

Installation Notes and Tips

Verify connector style, terminal layout, and ignition system type before installation. Confirm the part number 49079 matches the required application and inspect adjacent ignition components for wear that could affect coil performance.

Quality Assurance

NGK manufactures ignition coils to meet or exceed OE standards and tests coil designs in an ISO 17025 accredited laboratory under extreme conditions. NGK's long OE legacy and broad vehicle coverage support consistent product quality.