Delphi GN10501 Ignition Coil

Delphi GN10501 Ignition Coil Overview

Delphi GN10501 is a coil on plug ignition coil built for direct replacement service on select Lexus V8 applications. It uses a blade terminal design with a 4-terminal male connection and includes the ignition coil plus an instruction sheet.

Key Features

• Coil on plug ignition coil for direct ignition system service
• Blade terminal type with 4 male terminals
• Built with Delphi OE heritage and aftermarket engineering knowledge
• Includes ignition coil and instruction sheet
• Cross-references Beck/Arnley 178-8463 for the same application

Detailed Description

This Delphi ignition coil, part number GN10501, is made for 1998-2000 Lexus GS400, 1998-2000 Lexus LS400, and 1998-2000 Lexus SC400 applications. As a coil on plug ignition coil, it mounts directly at the spark plug location to deliver the high-voltage output needed for proper combustion and stable engine operation. Delphi draws on more than a century of OE experience, and that background is reflected in the design and application coverage of GN10501.

For buyers searching for a Lexus GS400 ignition coil, Lexus LS400 ignition coil, or Lexus SC400 ignition coil, GN10501 provides a direct-fit replacement option with the correct terminal style and connector layout. The part number GN10501 is also a useful reference when comparing ignition coil replacements across aftermarket catalogs.

Common Issues This Part Can Address

• Engine misfire caused by a weak or failing ignition coil
• Rough idle during cold start or under load
• Hard starting related to inconsistent spark output
• Loss of power from incomplete combustion
• Check engine light conditions tied to ignition performance

Installation Notes and Tips

Verify the connector style, terminal count, and vehicle application before installation. Inspect the coil boot, spark plug condition, and related wiring during service, since worn plugs or damaged connectors can affect ignition performance. Confirm the part number GN10501 against the original unit on 1998-2000 Lexus GS400, LS400, and SC400 models before final installation.

Quality Assurance

Delphi builds this ignition coil using OE-focused engineering knowledge developed through long-term supplier experience with major automakers. That OE heritage supports consistent fitment and application-specific design for the listed Lexus models.