Delphi GN10114 Ignition Coil

Ignition Coil for GM and Isuzu Applications

Delphi GN10114 is a plug top ignition coil built for direct replacement on select Chevrolet, GMC, Buick, Oldsmobile, Saab, Hummer, and Isuzu vehicles. It uses a 3-pin sealed connector and a blade terminal layout for a secure electrical connection in the ignition system.

Built from Delphi’s OE heritage and supplier experience, this ignition coil is engineered for vehicles that use an L6 fully integrated coil and module design. It includes the captured bolt and boot assembly, along with the ignition coil complete assembly and instruction sheet.

Key Features

• Plug Top Coil (PTC) design for direct ignition coil replacement
• 3 terminal male blade connection with 3-pin sealed connector
• L6 fully integrated coil and module construction
• Includes captured bolt and boot assembly
• Delphi GN10114 ignition coil for select GM and Isuzu platforms
• Cross-references Beck/Arnley 178-8390 and Standard Ignition UF-303 for the same application

Detailed Description

Delphi GN10114 is an ignition coil assembly for vehicles that require a plug top coil with integrated module architecture. It is built for select 2002-2008 Chevrolet Colorado, GMC Canyon, Chevrolet Trailblazer, GMC Envoy, Buick Rainier, Oldsmobile Bravada, Saab 9-7x, Hummer H3, and Isuzu Ascender, i-280, i-290, i-350, and i-370 applications. This part number is also referenced as GN10114 in replacement catalogs for these vehicle platforms.

As an OE-focused replacement part, Delphi draws on decades of original equipment experience to support consistent fit and electrical connection quality. The sealed connector and blade terminal configuration help maintain a stable interface at the coil, while the integrated design supports vehicles that use the coil and module as one assembly.

Common Problems This Part Can Address

• Engine misfire caused by a failing ignition coil
• Rough idle or hesitation during acceleration
• Hard starting related to weak spark output
• Check engine light triggered by ignition performance faults
• Intermittent ignition issues from worn coil connections

Installation Notes and Tips

• Verify the vehicle uses the L6 fully integrated coil and module layout before ordering.
• Confirm connector style, terminal count, and boot configuration against the original part.
• Inspect the spark plug boot and surrounding ignition components during replacement.
• Follow the included instruction sheet and vehicle service procedures for installation.
• For fitment, this part matches applications such as Fits 2004-2006 Chevrolet Colorado, N/A with Boot; with Spring and Fits 2002-2005 GMC Envoy, N/A with Boot; with Spring.

Quality Assurance

Delphi builds this ignition coil using OE-based engineering knowledge developed through long-term supplier experience with major automakers. The GN10114 part number reflects a replacement component designed around original equipment requirements for the listed GM and Isuzu applications.