Delphi GN10688 Ignition Coil

Brand Delphi GN10688
Coil Type Coil On Plug Ignition
Package Contents Ignition Coil, Instruction Sheet
Terminal Gender Male
Terminal Quantity 2
Terminal Type Blade
Fits Lexus and Toyota · 17 vehicles

Coil-on-plug design. Delivers direct ignition performance in a compact ignition coil.

OE heritage. Built with 100 years of OE experience and supplier knowledge.

Blade terminals. Uses a 2-terminal male blade connection for a secure fit.

Cross-references Beck/Arnley 178-8397, DENSO Auto Parts 673-1203 and Hayden 5110 for the same application. See all 17.

$114.69Free shipping
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Step 2 — Quantity
Order total $114.69
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Free returns within 60 days if it doesn't fit when fitment is verified.

Delphi GN10688 Ignition Coil

The Delphi GN10688 ignition coil is a coil-on-plug replacement built for direct ignition service on select Lexus and Toyota applications. It uses a blade terminal design with a male 2-terminal connection and includes an ignition coil plus instruction sheet.

Key Features

  • Coil-on-plug ignition coil for direct spark delivery
  • Blade terminal type with 2 male terminals
  • Includes ignition coil and instruction sheet
  • OE-focused design backed by Delphi’s long history supplying original equipment to major automakers
  • Cross-reference example: DENSO Auto Parts 673-1203

Vehicle Fitment

  • Fits 1998-2005 Lexus GS300, N/A
  • Fits 2001-2005 Lexus IS300, N/A
  • Fits 1998-2000 Lexus SC300, N/A
  • Fits 1998 Toyota Supra, N/A

Detailed Description

Built for select Lexus GS300, Lexus IS300, Lexus SC300, and Toyota Supra applications, the Delphi GN10688 ignition coil supports reliable spark generation in coil-on-plug ignition systems. Delphi draws on OE heritage and original-equipment experience to produce aftermarket ignition parts that align with factory-style fit and function. The GN10688 part number is a direct reference for shoppers searching for a replacement ignition coil for Lexus GS300 or Toyota Supra service.

What It Helps Address

  • Engine misfire caused by weak or inconsistent spark
  • Hard starting related to ignition coil failure
  • Rough idle from degraded coil output
  • Loss of power under load from ignition breakdown
  • Check engine light concerns tied to ignition coil faults

Installation Notes and Tips

Verify connector style, terminal count, and engine application before installation. The Delphi GN10688 uses a coil-on-plug layout with blade terminals, so matching the electrical connection and fitment is important for proper operation. Inspect related ignition components and clear diagnostic trouble codes after repair if required by the vehicle.

Quality Assurance

Delphi builds this ignition coil using OE experience and knowledge developed from supplying original equipment to major automakers. That background is reflected in the GN10688 replacement design for Lexus and Toyota ignition service.

This part fits 17 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2005LexusGS300N/A—
2005LexusIS300N/A—
2004LexusGS300N/A—
2004LexusIS300N/A—
2003LexusGS300N/A—
2003LexusIS300N/A—
2002LexusGS300N/A—
2002LexusIS300N/A—
2001LexusGS300N/A—
2001LexusIS300N/A—
2000LexusGS300N/A—
2000LexusSC300N/A—
1999LexusGS300N/A—
1999LexusSC300N/A—
1998LexusGS300N/A—
1998LexusSC300N/A—
1998ToyotaSupraN/A—
Directly replaces or cross-references 17 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 178-8397DENSO Auto Parts — 673-1203Hayden — 5110PRENCO — 36-8153Standard Ignition — UF-228Walker Products — 920-10485C118923-0410351K729 51027729 51027 001729 51027 06690919-02216C1153E758IC294IC294SB