Delphi GN10985 Ignition Coil

Delphi GN10985 Ignition Coil Overview

The Delphi GN10985 ignition coil is designed for reliable electronic ignition performance in select Toyota and Scion models. This coil-on-plug ignition coil delivers consistent 12.0-volt output and features a bolt-on mount for secure installation in your vehicle.

• Voltage: 12.0 volts for standard ignition systems
• Coil Type: Coil on plug for direct spark delivery
• Ignition Type: Electronic for precise timing
• Mount Type: Bolt on with one mounting hole
• Terminal Type: Blade terminals with male terminals and female connector
• Connector Quantity: 1 elliptical female connector
• Dimensions: Length 92.2 mm (3.63 in), Height 148.8 mm (5.858 in)
• Color: Black and gray housing
• Grade Type: Standard replacement part

Detailed Product Description

The Delphi GN10985 ignition coil is engineered to meet the ignition requirements of Toyota Yaris, Yaris iA, and Scion iA vehicles. This electronic coil-on-plug design eliminates the need for external resistors and coil wires, simplifying the ignition system and improving reliability. The coil features a single elliptical female connector and three blade terminals with male terminals, ensuring a secure electrical connection. Its bolt-on mounting style with one mounting hole allows for straightforward installation without additional mounting hardware. The coil is constructed without oil filling, which reduces maintenance concerns and potential leaks.

Compatible Vehicles and Applications

This ignition coil is compatible with the following vehicles:

• Toyota Yaris
• Toyota Yaris iA
• Scion iA

It is designed as a direct replacement ignition coil for these models, providing consistent spark delivery and ignition performance.

Common Issues Addressed by Delphi GN10985 Ignition Coil

• Engine misfires or rough idling due to faulty ignition coil
• Difficulty starting the engine or intermittent stalling
• Reduced fuel efficiency caused by incomplete combustion
• Check engine light triggered by ignition system faults
• Loss of power or hesitation during acceleration

Installation Notes and Tips

When installing the Delphi GN10985 ignition coil, ensure the ignition system is powered off and the engine is cool. The bolt-on mount requires one mounting hole; use existing hardware from the vehicle as mounting hardware is not included. Connect the elliptical female connector securely to the coil terminals, verifying the blade terminals align properly. No external resistor or coil wire is needed, simplifying the installation process. Always consult the vehicle’s service manual for torque specifications and safety precautions.

Quality Assurance and Warranty

Delphi ignition coils are manufactured to meet OEM specifications for fit, form, and function. The GN10985 ignition coil undergoes rigorous testing to ensure durability and consistent performance under normal operating conditions. This part is classified as a standard replacement grade, suitable for routine maintenance and repair. Warranty coverage details should be confirmed with the point of purchase or Delphi directly.