NGK 5616 Diesel Glow Plug

Reliable Diesel Glow Plug for Ford Super Duty Trucks

The NGK Glow Plug 5616 is designed specifically for diesel engines in Ford F-250 Super Duty and F-350 Super Duty models. Engineered to meet the demands of heavy-duty applications, this glow plug ensures efficient cold starts and consistent engine performance.

• Material Type: Metal type for durability and heat resistance
• System Voltage: 12 volts compatible with standard diesel ignition systems
• Operating Voltage: 11.00 volts for optimal heating performance
• Terminal Type: Threaded terminal for secure electrical connection
• Hex Size: 10 mm for easy installation and removal
• Thread Diameter: 0.551 inches to fit specified engine ports
• Part Number: Y-408js, Stock Number: 5616 for precise identification

About the NGK Glow Plug Product Line

The NGK Glow Plug line is known for its focus on quality and compatibility with diesel engines requiring reliable ignition components. This product line emphasizes precise voltage specifications and robust materials to withstand the thermal and mechanical stresses typical in diesel engine operation. The NGK Glow Plug 5616 is part of this line, offering a balance of durability and performance tailored for Ford Super Duty trucks.

Detailed Product Description

This diesel glow plug operates at a system voltage of 12 volts with an actual voltage of 11.00 volts, providing the necessary heat to aid in cold engine starts. The metal construction ensures longevity under high-temperature conditions. The threaded terminal type allows for a secure and stable electrical connection, reducing the risk of failure due to vibration or corrosion. With a hex size of 10 mm and a thread diameter of 0.551 inches, the NGK Glow Plug 5616 fits precisely into the designated engine ports of Ford F-250 Super Duty and F-350 Super Duty models, ensuring proper installation and function.

Common Applications and Issues Addressed

• Improves cold start performance in diesel engines
• Reduces white smoke emissions during engine start-up
• Prevents rough idling caused by incomplete combustion
• Helps maintain consistent engine temperature during startup
• Replaces worn or faulty glow plugs to restore engine efficiency

Installation Notes and Tips

When installing the NGK Glow Plug 5616, ensure the engine is cool to avoid damage. Use a 10 mm hex socket for proper torque application. Verify the threaded terminal is clean and free of corrosion before connecting. It is recommended to replace glow plugs in sets to maintain balanced engine performance. Always consult the vehicle’s service manual for specific torque specifications and installation procedures.

Quality Assurance and Warranty

NGK glow plugs are manufactured to meet strict quality standards, ensuring reliable performance in demanding diesel engine environments. The NGK Glow Plug 5616 undergoes rigorous testing for voltage consistency and material durability. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed warranties covering defects in materials and workmanship.