NGK 48731 Ignition Coil

NGK COP Rail Ignition Coil Assy. 48731

NGK ignition coil part number 48731 is a distributorless COP (rail system) ignition coil assembly built for 12-volt operation and OE-style replacement performance. It is engineered for late-model Chevrolet, Pontiac, and Suzuki applications that use a rail-mounted coil design, including Chevrolet Cruze, Chevrolet Sonic, Chevrolet Aveo, and Chevrolet Aveo5.

Key Features

• 12-volt ignition coil for distributorless ignition systems
• COP (rail system) coil type for direct-fit rail-mounted applications
• Blade terminal design with 7 terminals
• Female connector gender and male terminal gender
• Oil-filled: No
• Mounting bracket included: No
• Built to meet or exceed OE standards for durability and operational performance
• Developed and tested in an ISO 17025 accredited lab under extreme conditions

Product Details

NGK 48731 is part of the NGK COP (Rail) Ignition Coil Assy. line, a product line focused on OE-style ignition coil replacement for vehicles that use coil-on-plug rail configurations. NGK applies its long-standing ignition expertise and controlled manufacturing processes to produce coils with consistent electrical performance and broad late-model coverage. This part cross-references Standard Ignition UF-620 for the same application.

Compatible With 2012-2018 Chevrolet Sonic, N/A; 2016 Chevrolet Cruze Limited, N/A; 2011-2015 Chevrolet Cruze, N/A; 2009-2011 Chevrolet Aveo, N/A; 2009-2011 Chevrolet Aveo5, N/A; 2009-2010 Pontiac G3, N/A; 2009-2010 Suzuki Swift+, N/A; and 2009 Pontiac G3 Wave, N/A. The NGK 48731 ignition coil is a direct replacement choice for drivers and technicians servicing these specific rail-coil applications.

Common Uses

• Engine misfire diagnosis tied to weak or failing ignition coil output
• Rough idle caused by inconsistent spark delivery
• Hard starting related to ignition coil degradation
• Check engine light conditions associated with ignition coil faults
• Loss of power or hesitation under load on coil-on-plug rail systems

Installation Notes

Verify connector style, terminal count, and rail-coil layout before installation. Confirm vehicle application by year, make, and model, especially on Chevrolet Cruze Limited old body style applications. Inspect spark plugs, wiring, and related ignition components during service to help prevent repeat failures. Use the vehicle’s service information for torque, connector routing, and diagnostic procedures.

Quality Assurance

NGK manufactures ignition coils to meet or exceed OE standards and validates designs in an ISO 17025 accredited test lab. The brand’s North American and global manufacturing and distribution network supports consistent product availability and application coverage across domestic and import vehicles.