NGK 48991 Ignition Coil

Reliable NGK COP Ignition Coil for Toyota and Lexus Vehicles

The NGK COP Ignition Coil 48991 is designed to deliver consistent ignition performance for select Toyota and Lexus models. Engineered for distributorless ignition systems, this coil on plug (COP) unit ensures precise spark delivery and efficient engine operation.

Key Features of NGK COP Ignition Coil 48991

• 12-volt ignition coil compatible with distributorless ignition systems
• Coil on plug (COP) 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
• Oil-free construction for reliable operation without leakage concerns
• Compatible with multiple Toyota and Lexus models including 4Runner, GS430, GX470, Land Cruiser, LS430, LX470, SC430, Sequoia, and Tundra

About the NGK COP Ignition Coil Product Line

The NGK COP Ignition Coil line focuses on coil on plug technology, which eliminates the need for spark plug wires by mounting the coil directly on the spark plug. This design improves ignition efficiency and reduces potential points of failure. The NGK COP Ignition Coil 48991 is part of this line, offering a reliable replacement option for vehicles equipped with distributorless ignition systems.

Detailed Description of NGK COP Ignition Coil 48991

This ignition coil operates at 12 volts and is specifically designed for distributorless ignition systems found in various Toyota and Lexus models. Its coil on plug configuration allows for a direct connection to the spark plug, enhancing ignition timing accuracy and reducing energy loss. The blade terminal type with four terminals ensures a secure and stable electrical connection, while the female connector and male terminal gender provide proper compatibility with the vehicle’s wiring harness. The coil is oil-free, which minimizes maintenance concerns related to oil leaks or contamination.

Common Applications and Issues Addressed

• Replacement for faulty or worn ignition coils in Toyota 4Runner, Tundra, and Sequoia models
• Restores proper spark delivery in Lexus GS430, LS430, and SC430 vehicles
• Resolves engine misfires caused by ignition coil failure
• Improves engine starting reliability and smoothness
• Eliminates rough idling and hesitation during acceleration

Installation Notes and Tips

• Ensure the ignition is off and the battery is disconnected before installation
• Verify compatibility with your specific Toyota or Lexus model and engine type
• Handle the coil carefully to avoid damage to terminals and connectors
• Securely connect the blade terminals and female connector to prevent electrical issues
• Test the ignition system after installation to confirm proper operation

Quality Assurance and Warranty Information

The NGK COP Ignition Coil 48991 is manufactured to meet OEM specifications for fit and function. NGK maintains strict quality control standards to ensure durability and reliable performance. While specific warranty details may vary, NGK ignition coils typically come with a limited warranty against defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.