NGK 92340 Diesel Glow Plug

Reliable NGK Glow Plug for Mercedes-Benz Diesel Engines

The NGK Glow Plug 92340 is engineered to provide consistent cold-start performance for a range of Mercedes-Benz diesel vehicles. Designed with a ceramic type material and a 12-volt system voltage, this diesel glow plug ensures efficient ignition in demanding conditions.

• Ceramic type material for durability and heat resistance
• Terminal thread size: M4 with pin terminal type
• System voltage: 12 volts, operating voltage: 7.00 volts
• Length: 6.24 inches with a flat seat type for secure fitment
• Hex size: 8 mm and thread diameter: 0.391 inches
• Compatible with multiple Mercedes-Benz models including E250, GL350, GLE300d, and Sprinter 2500
• Part number Cz551 and stock number 92340 for precise identification

About the NGK Glow Plug Product Line

The NGK Glow Plug line is designed specifically for diesel ignition systems, focusing on reliable heating elements that support efficient engine starts in cold environments. This product line emphasizes quality materials such as ceramic components and precise electrical specifications to meet the demands of modern diesel engines, including those found in Mercedes-Benz vehicles.

Technical Details and Compatibility

This NGK diesel glow plug features a ceramic type heating element that withstands high temperatures and thermal cycling. The M4 terminal thread size with a pin terminal type ensures secure electrical connections. Its 12-volt system voltage and 7.00-volt operating voltage align with standard diesel ignition systems. The flat seat type and 8 mm hex size facilitate proper installation and sealing within the combustion chamber. With a length of 6.24 inches and a thread diameter of 0.391 inches, this glow plug fits a variety of Mercedes-Benz diesel models including the E250, GL350, GLE300d, GLE350d, GLK250, GLS350d, ML250, ML350, S350, Sprinter 2500, and Sprinter 3500.

Common Applications and Problem Resolution

• Improves cold start performance in Mercedes-Benz diesel engines
• Replaces worn or faulty glow plugs causing hard starts
• Restores proper combustion chamber heating for smoother engine operation
• Addresses issues with engine misfires during cold weather
• Helps reduce white smoke emissions on startup

Installation Notes and Tips

When installing the NGK Glow Plug 92340, ensure the engine is cool to avoid damage. Use the correct 8 mm hex socket for removal and installation. Verify the flat seat type matches the engine’s glow plug housing to ensure a proper seal. Tighten to manufacturer torque specifications to prevent thread damage. Check electrical connections on the M4 terminal for secure contact and avoid voltage drops.

Quality Assurance and Warranty

NGK glow plugs are manufactured to meet strict quality standards for durability and performance. This part number 92340 undergoes rigorous testing to ensure compatibility and reliability with Mercedes-Benz diesel engines. While specific warranty details may vary, NGK products typically come with a limited warranty covering defects in materials and workmanship.