NGK 48731 Ignition Coil

Reliable Ignition Coil for Chevrolet, Pontiac, and Suzuki Vehicles

The NGK COP (Rail) Ignition Coil Assembly, part number 48731, is designed to deliver consistent ignition performance for select Chevrolet, Pontiac, and Suzuki models. This 12-volt ignition coil supports distributorless ignition systems and is engineered to meet the specific needs of vehicles like the Chevrolet Aveo, Cruze, Pontiac G3, and Suzuki Swift+.

Key Features of NGK COP (Rail) Ignition Coil Assy. 48731

• Voltage: 12V, suitable for standard automotive electrical systems
• Ignition Type: Distributorless ignition system compatibility
• Coil Type: Coil-on-plug (COP) rail system for direct spark delivery
• Terminal Type: Blade terminals with 7 terminal quantity for secure connections
• Connector Gender: Female connector with male terminals
• Oil Filled: No, designed for dry operation
• Mounting Bracket: Not included, designed for direct mounting

About the NGK COP (Rail) Ignition Coil Assy. Product Line

The NGK COP (Rail) Ignition Coil Assy. product line focuses on coil-on-plug rail system ignition coils that provide precise spark control without the need for a distributor. This design enhances ignition efficiency and reduces maintenance by eliminating traditional distributor components. The 48731 part number is a representative model within this line, engineered for reliable performance in compatible Chevrolet, Pontiac, and Suzuki vehicles.

Detailed Product Description

This NGK ignition coil assembly operates at 12 volts and is specifically designed for distributorless ignition systems, which are common in modern vehicles such as the Chevrolet Aveo and Pontiac G3. The coil-on-plug (COP) rail system ensures that spark energy is delivered directly to the spark plugs, improving ignition timing and engine efficiency. The blade terminal type with seven terminals provides a secure and stable electrical connection, while the female connector and male terminal configuration ensure compatibility with factory wiring harnesses. This coil is not oil filled, which is typical for COP ignition coils, and it does not include a mounting bracket, so it mounts directly to the engine as per vehicle specifications.

Common Applications and Issues Addressed

• Replacement for faulty or worn ignition coils in Chevrolet Aveo, Cruze, Pontiac G3, and Suzuki Swift+ models
• Resolves engine misfires caused by weak or inconsistent spark delivery
• Improves starting reliability in distributorless ignition systems
• Addresses rough idling and poor acceleration linked to ignition coil failure
• Prevents check engine light triggers related to ignition coil faults

Installation Notes and Tips

• Ensure vehicle ignition is off and battery disconnected before installation
• Verify compatibility with your specific make and model, including Chevrolet Aveo, Cruze, Pontiac G3, or Suzuki Swift+
• Handle the coil carefully to avoid damage to terminals and connectors
• Follow manufacturer torque specifications when securing the coil to the engine
• Inspect wiring harness and connectors for corrosion or damage before installation

Quality Assurance and Warranty

NGK ignition coils, including the 48731 part number, are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, NGK products typically come with a limited warranty against defects in materials and workmanship. Always refer to the product documentation or contact the manufacturer for precise warranty information.