NGK 48720 Ignition Coil

Reliable Ignition Coil for Buick and Cadillac Vehicles

The NGK COP (Pencil Type) Ignition Coil, part number 48720, is designed to deliver consistent ignition performance for select Buick and Cadillac models. Engineered for distributorless ignition systems, this 12-volt coil ensures efficient spark delivery to maintain engine operation.

• 12-volt ignition coil compatible with distributorless ignition systems
• Cop (pencil type) coil design for direct spark plug connection
• Blade terminal type with four terminals for secure electrical connections
• Female connector and male terminal gender for proper fitment
• Compatible with Buick DTS, Cadillac Lucerne, SRX, STS, and XLR models
• Part number U5186 and stock number 48720 for accurate identification

About the NGK COP (Pencil Type) Ignition Coil Line

The NGK COP (Pencil Type) Ignition Coil product line focuses on coil-on-plug designs that eliminate the need for spark plug wires by mounting directly onto the spark plug. This design improves ignition efficiency and reduces electrical losses. The NGK COP ignition coils are engineered to meet OEM specifications, providing reliable spark energy for distributorless ignition systems in various vehicle applications, including Buick and Cadillac models.

Product Details and Specifications

This ignition coil operates at 12 volts and is specifically designed for distributorless ignition systems, which are common in modern Buick and Cadillac vehicles such as the DTS, Lucerne, SRX, STS, and XLR. The pencil-type coil design allows for direct installation onto the spark plug, improving ignition response and simplifying the ignition system. It features a blade terminal type with four terminals, ensuring secure and stable electrical connections. The coil is not oil-filled, which is typical for this style of ignition coil, and it includes a female connector with male terminals. Note that this part does not include a mounting bracket.

Common Applications and Issues Addressed

• Replacement for faulty or worn ignition coils in Buick DTS and Cadillac Lucerne
• Resolves engine misfires and rough idling caused by weak spark delivery
• Improves starting reliability in Cadillac SRX, STS, and XLR models
• Addresses poor fuel economy related to ignition coil failure
• Eliminates check engine light codes related to ignition coil malfunction

Installation Notes and Tips

When installing the NGK COP (Pencil Type) Ignition Coil part number 48720, ensure the ignition system is off and the engine is cool. Carefully disconnect the electrical connector and remove the old coil by pulling it straight off the spark plug. Align the new coil’s blade terminals and connector properly before pressing it firmly onto the spark plug. No mounting bracket is included, so use the existing mounting hardware if applicable. Verify all connections are secure to prevent electrical issues.

Quality Assurance and Warranty

NGK ignition coils are manufactured to meet strict quality standards and OEM specifications. This part number 48720 undergoes rigorous testing to ensure durability and reliable performance in distributorless ignition systems. While specific warranty details may vary, NGK products typically come with a limited warranty against defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.