NGK 1239 Diesel Glow Plug

Reliable NGK Glow Plug for Diesel Engine Ignition

The NGK Glow Plug 1239 is designed to provide consistent and efficient ignition support for diesel engines. Engineered with precision, this diesel glow plug ensures optimal performance in cold start conditions for various vehicle makes and models.

• Material Type: Metal type for durability and heat resistance
• Terminal Thread Size: M5 threaded terminal for secure electrical connection
• System Voltage: 12 volts compatible with standard diesel ignition systems
• Operating Voltage: 11.00 volts for reliable glow time
• Length: 2.32 inches, suitable for specific engine configurations
• Terminal Type: Threaded terminal for easy installation
• Hex Size: 12 mm for proper tightening torque
• Seat Type: Flat seat ensuring proper sealing in the combustion chamber
• Thread Diameter: 0.469 inches for precise fitment
• Part Number: Y-207t, Stock Number: 1239

About the NGK Glow Plug Product Line

The NGK Glow Plug line is known for its focus on quality and reliability in diesel ignition components. This product line emphasizes consistent heating performance and durability under high-temperature conditions, making it suitable for a range of diesel-powered vehicles. The NGK Glow Plug 1239 is part of this line, offering dependable ignition support that meets OEM specifications.

Technical Details and Application

The NGK Glow Plug 1239 is constructed from a metal type material designed to withstand the thermal stresses of diesel engine operation. Its M5 threaded terminal and 12 mm hex size allow for secure installation and maintenance. The flat seat type ensures a tight seal within the combustion chamber, preventing gas leaks and maintaining engine efficiency. With a system voltage rating of 12 volts and an operating voltage of 11.00 volts, this glow plug is compatible with many diesel engine systems requiring precise ignition timing and heat delivery.

Common Issues Addressed by NGK Glow Plug 1239

• Difficulty starting diesel engines in cold weather
• Inconsistent engine ignition leading to rough idling
• Excessive white or gray smoke during startup
• Reduced fuel efficiency due to incomplete combustion
• Glow plug failure causing engine misfires or stalls

Installation Notes and Tips

• Ensure the engine is cool before removing old glow plugs to avoid damage
• Use a torque wrench to tighten the glow plug to manufacturer specifications using the 12 mm hex size
• Check the terminal thread size (M5) for compatibility with your vehicle’s wiring harness
• Inspect the flat seat area for proper sealing and replace if damaged
• Verify system voltage compatibility (12V) before installation

Quality Assurance and Warranty

NGK glow plugs are manufactured to meet strict quality standards, ensuring reliable performance and longevity. The NGK Glow Plug 1239 undergoes rigorous testing to comply with OEM requirements. Warranty coverage details should be confirmed with the vehicle manufacturer or parts distributor.