Delphi GN11147 Ignition Coil

Ignition Coil Overview

Delphi GN11147 is a standard replacement ignition coil built to OE design specifications for reliable starting and steady engine operation. It uses a coil-on-plug design with a sealed 3-pin connector and electronic ignition type for a direct-fit service replacement.

Compatible With 2020-2024 Buick Encore GX and 2021-2024 Chevrolet Trailblazer, this ignition coil supports the factory-style electrical interface used in modern engine management systems. Delphi GN11147 is engineered for vehicles from Buick, Chevrolet, Ford, Toyota, Nissan, Lexus, GM, Mazda, Chrysler, Subaru, Acura, and more.

Key Features

• Standard replacement ignition coil for OE-style service work
• Coil-on-plug design with electronic ignition type
• 3-pin sealed connector with female connector and male blade terminals
• 12-volt operation with one connector and two mounting holes
• Black and silver housing with no external resistor required
• Delphi GN11147 is endurance tested using high-quality materials

Detailed Description

Delphi GN11147 is built to match OE design specifications and is intended for drivers who need consistent ignition performance without changing the factory electrical layout. The coil-on-plug format, elliptical connector shape, and sealed interface help maintain a secure connection in demanding underhood conditions. This part number, GN11147, is a practical choice for Buick Encore GX and Chevrolet Trailblazer applications that call for a standard replacement ignition coil.

Delphi manufactures more than 10 million ignition coils for North America each year, and that production experience is reflected in the design and testing of this coil. If you are replacing a worn ignition coil on a Buick Encore GX or Chevrolet Trailblazer, GN11147 provides a direct service solution built around OE-style fit and function.

What It Helps Solve

• Hard starting caused by a weak ignition coil
• Rough engine operation from inconsistent spark delivery
• Reduced fuel efficiency linked to ignition performance issues
• Misfire-related drivability concerns
• Factory-style coil replacement needs during ignition service

Installation Notes and Tips

Verify connector shape, terminal count, and mounting style before installation. This coil uses a 3-pin sealed connector, female connector gender, male blade terminals, and a mounting-hole design. Confirm vehicle application details for the Buick Encore GX or Chevrolet Trailblazer before replacing the original unit. Part number GN11147 should be matched to the existing coil specification during service.

Quality Assurance

Delphi designs and endurance tests each ignition coil using high-quality materials and OE design specifications. Part number GN11147 cross-references 12698941 for the same application.