NGK 49081 Ignition Coil

Reliable Ignition Performance for GM Trucks and SUVs

The NGK Coil Near Plug Ignition Coil 49081 is designed to deliver consistent ignition voltage for distributorless ignition systems. Engineered for select Cadillac, Chevrolet, GMC, and Hummer models, this ignition coil ensures efficient spark delivery close to the spark plug for improved combustion.

• 12-volt ignition coil compatible with distributorless ignition systems
• Coil near plug (COP) design for direct spark plug connection
• Blade-type terminals with four terminal connections
• Female connector and male terminal gender for secure fitment
• Non-oil filled construction for durability and heat resistance
• Compatible with multiple GM trucks and SUVs including Silverado, Sierra, Escalade, and Yukon
• Part number 49081 (also referenced as U5328) for precise replacement

About the NGK Coil Near Plug Ignition Coil Product Line

The NGK Coil Near Plug Ignition Coil line focuses on ignition coils designed to be mounted close to the spark plug, reducing energy loss and improving ignition efficiency. This product line supports distributorless ignition systems commonly found in modern GM vehicles, providing reliable spark delivery without the need for traditional distributor components.

Product Details and Specifications

This NGK ignition coil operates at 12 volts and is specifically designed for distributorless ignition systems, which are standard in many late-model GM trucks and SUVs. The coil near plug (COP) design allows the coil to be positioned directly on or near the spark plug, minimizing voltage drop and enhancing ignition timing accuracy. The coil features blade-type terminals with four connections, a female connector, and male terminal gender to ensure proper electrical contact. It is not oil filled, which helps maintain performance under high temperature conditions. This ignition coil does not include a mounting bracket and is identified by part number 49081 and stock number 49081.

Compatible Vehicles and Common Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche 1500, Avalanche 2500, Silverado 1500, Silverado 2500, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe
• GMC Sierra 1500, Sierra 2500, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500, Savana 3500
• Hummer H2

Common Issues Addressed by This Ignition Coil

• Engine misfires or rough idling due to weak or inconsistent spark
• Difficulty starting the engine or extended crank times
• Reduced fuel efficiency caused by incomplete combustion
• Check engine light triggered by ignition system faults
• Loss of power or hesitation during acceleration

Installation Notes and Tips

When installing the NGK Coil Near Plug Ignition Coil 49081, ensure the ignition system is fully powered down to avoid electrical shock. Verify the connector gender and terminal types match the vehicle’s wiring harness. Since this coil does not include a mounting bracket, use the existing bracket or mounting points on the engine. Inspect spark plugs and wiring for wear or damage before installation to ensure optimal performance. Proper torque specifications should be followed to avoid damage to the coil or spark plug.

Quality Assurance and Warranty

NGK ignition coils are manufactured to meet OEM standards for fit, form, and function. The 49081 ignition coil undergoes rigorous testing to ensure durability and reliable performance under normal operating conditions. While specific warranty details are not provided here, NGK products typically come with a limited warranty against defects in materials and workmanship. Consult the product packaging or NGK documentation for exact warranty terms.