Delphi GN10312 Ignition Coil

Ignition Coil for Toyota and Scion Applications

The Delphi GN10312 ignition coil is a coil-on-plug replacement built for direct ignition service on select Toyota and Scion vehicles. It combines OE heritage with application-specific engineering to support consistent spark delivery in daily driving conditions.

• Coil-on-plug ignition design for direct mounting at the spark plug
• Blade terminal type with 4 male terminals
• Includes ignition coil and instruction sheet
• Built from Delphi’s OE experience and aftermarket knowledge
• Compatible with select Toyota Prius, Toyota Yaris, Toyota Echo, Scion xA, and Scion xB applications

Detailed Product Overview

Delphi GN10312 is an ignition coil replacement for vehicles that use a coil-on-plug ignition setup. This design places the coil directly over the spark plug to help maintain strong ignition performance and reliable engine operation. It is a practical choice for drivers servicing a Toyota Prius, Toyota Yaris, or Scion xB/xA ignition system, as well as other listed applications.

This part cross-references Standard Ignition UF-316 for the same application. Delphi’s OE background is reflected in the part’s construction and fit-focused design, making GN10312 a straightforward option when replacing a worn ignition coil on compatible Toyota and Scion models.

What This Ignition Coil Helps Address

• Engine misfire caused by a weak or failing coil
• Rough idle during cold start or at stoplights
• Hard starting related to inconsistent spark output
• Loss of acceleration response under load
• Check engine light concerns tied to ignition performance

Installation Notes and Tips

Verify connector style, terminal layout, and engine application before installation. The blade-style, 4-terminal male connector should match the original coil connection on the vehicle. Inspect the spark plug, boot, and surrounding ignition components during service, and replace any damaged parts before installing the new coil. Clear diagnostic trouble codes after installation if required by the repair procedure.

Quality Assurance

Delphi builds this ignition coil using OE experience and knowledge developed through supplying major automakers, with the goal of supporting dependable aftermarket replacement performance.