NGK 48997 Ignition Coil

NGK COP Rail Ignition Coil Assy. for OE-Style Performance

NGK Part Number 48997 is a distributorless COP (rail system) ignition coil assembly built for 12-volt applications with a blade terminal design and female connector. It is engineered to meet or exceed OE standards for durability and consistent ignition performance on late-model domestic and import vehicles.

This NGK COP (Rail) Ignition Coil Assy. is a direct-fit ignition coil solution for select Cadillac CTS, Cadillac Catera, Saturn L300, Saturn LW300, Saturn Vue, Saturn LS2, and Saturn LW2 applications with gray connector requirements. The NGK 48997 coil is developed and tested for dependable operation in demanding conditions.

Key Features

• 12-volt ignition coil for distributorless ignition systems
• COP (rail system) coil type for select OE-style applications
• Blade terminal design with 5 terminals
• Female connector and male terminal configuration
• Oil-filled: No
• Mounting bracket not included
• NGK Part Number 48997 for catalog and fitment reference

Product Details

NGK’s ignition coil line is backed by decades of OE-focused engineering and broad vehicle coverage. Part Number 48997 is designed for vehicles using cylinder positions 2, 4, and 6 with a gray connector, including 2001-2005 Saturn L300, 2003-2004 Cadillac CTS, 2001-2003 Saturn LW300, 2002-2003 Saturn Vue, 1999-2001 Cadillac Catera, 2000 Saturn LS2, and 2000 Saturn LW2. If you are searching for an ignition coil for a 2003 Cadillac CTS or a 2002 Saturn Vue with the specified connector and cylinder layout, this NGK coil assembly matches those applications.

This part cross-references Standard Ignition UF-279 for the same application.

Common Issues This Part Can Address

• Engine misfire caused by a weak or failing ignition coil
• Rough idle from inconsistent spark delivery
• Hard starting related to ignition coil output loss
• Check engine light triggered by ignition coil circuit faults
• Loss of power under load from degraded coil performance

Installation Notes and Tips

Verify connector color, terminal layout, and cylinder application before installation. This NGK 48997 coil uses a gray connector application and is intended for distributorless COP rail systems. Confirm the vehicle’s ignition layout and cylinder coverage for 2, 4, and 6 before replacing the original unit. Always inspect related ignition components, wiring, and connectors for heat damage or corrosion during service.

Quality Assurance

NGK manufactures ignition coils to OE-level standards and validates designs in an ISO 17025 accredited test lab under severe operating conditions. The brand’s long-standing OE legacy and broad late-model coverage support consistent fitment and performance across domestic and import vehicles.