NGK 48720 Ignition Coil

NGK COP Ignition Coil for OE-Style Performance

The NGK COP (Pencil Type) Ignition Coil is built for distributorless ignition systems and engineered to meet or exceed OE standards. This NGK ignition coil is a direct-fit replacement for late-model domestic and import vehicles, including Buick Lucerne, Cadillac DTS, Cadillac STS, Cadillac SRX, and Cadillac XLR applications.

Part number 48720 is designed for consistent voltage delivery, dependable spark output, and durable operation under demanding engine conditions. If you are replacing a failing ignition coil on a 2007-2011 Buick Lucerne or a 2006-2010 Cadillac STS, this NGK COP ignition coil provides a straightforward OE-style service part.

Key Features

• COP (pencil type) ignition coil for distributorless ignition systems
• 12-volt design
• Female connector with male blade terminals
• 4-terminal configuration
• Oil-filled: No
• Built to meet or exceed OE standards for durability and performance
• Developed and tested in an ISO 17025 accredited lab

Product Details

NGK’s COP ignition coil line reflects the brand’s long history in ignition components and its focus on OE-level fit and function. Part number 48720 is part of the NGK COP (Pencil Type) Ignition Coil line and is intended for vehicles using a distributorless ignition setup. The coil’s blade-style terminals and female connector design support clean electrical connection, while the pencil-type format matches the compact packaging used on many modern engines. This part cross-references Delphi GN10453 and DENSO Auto Parts 673-7301 for the same application.

What It Helps Fix

• Engine misfire caused by a weak or failing ignition coil
• Rough idle during cold start or under load
• Hard starting related to inconsistent spark delivery
• Check engine light triggered by ignition coil faults
• Loss of acceleration response from ignition breakdown

Installation Notes

• Verify connector style, terminal layout, and coil location before installation.
• Inspect spark plugs and related ignition components when replacing a coil.
• Confirm vehicle application by year, make, and model before ordering.
• Compatible With 2007-2011 Buick Lucerne, N/A.
• Compatible With 2007-2011 Cadillac DTS, N/A.
• Compatible With 2006-2010 Cadillac STS, N/A.
• Compatible With 2007-2009 Cadillac SRX, N/A.
• Compatible With 2006-2009 Cadillac XLR, N/A.

Quality Assurance

NGK manufactures ignition coils to OE-level standards and validates designs in an ISO 17025 accredited test lab under severe operating conditions. Part number 48720 is backed by NGK’s experience in ignition technology and its broad coverage of late-model domestic and import vehicles.