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The Green Spark Plug Company£12.82Visit shop Ngk Glow Plug Y-723U (3818) New Ngk-Y-723U Size 20
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This NGK Glow Plug Y-723U (3818) is designed for diesel engine owners seeking reliable cold-start performance. Its key benefit is providing OE matching quality for consistent engine ignition. A caveat is that this is a single unit, and multiple may be required depending on your vehicle. This glow plug features a 0.5 Ohm resistance and operates at 8V, ensuring efficient heat-up for diesel combustion.
| Model Part Number | 3818 |
|---|---|
| Brand | NGK |
Symptoms include hard starting (especially in cold weather), rough idling after startup, or a check engine light indicating glow plug system faults.
No, this NGK Glow Plug Y-723U is specifically designed for diesel engines only.
The number varies by diesel engine model. Consult your vehicle's owner's manual or a parts specialist to determine the correct quantity.
It means the part is manufactured to meet or exceed the quality, performance, and specifications of the original equipment part installed by the vehicle manufacturer.
This glow plug has a resistance of 0.5 Ohm and operates at 8 Volts.
Yes, it is highly recommended to replace all glow plugs simultaneously. This ensures even heating and prevents uneven wear on the remaining old plugs.
Installation can be moderately difficult and may require some mechanical experience and specific tools. If you are not comfortable with engine work, professional installation is recommended.
Check glow plug resistance and voltage supply. If resistance is out of spec or voltage is low, the glow plug(s) may need replacement.
Scan the vehicle's diagnostic trouble codes (DTCs). Codes related to glow plug circuits often indicate a faulty glow plug or wiring issue.
Ensure all glow plugs are functioning correctly and were installed with the proper torque. A weak or faulty glow plug can cause incomplete combustion.
Carefully clean the terminal with a wire brush or electrical contact cleaner. Replace the terminal connector if damaged.
Compatibility: This NGK Glow Plug Y-723U is specifically designed for diesel engines that operate on an 8V electrical system. Always verify your vehicle's manufacturer specifications to confirm compatibility and the exact number of glow plugs required. Cross-reference the part number `3818` or `Y-723U` with your vehicle's service manual or a reputable parts catalog.
Setup: Installation requires removing the engine's intake manifold or other components to access the glow plugs. Each glow plug screws into the cylinder head. Ensure the engine is cool before beginning. Clean the glow plug receptacle threads before installation. Apply a small amount of anti-seize compound (if recommended by the vehicle manufacturer) to the glow plug threads, but avoid getting it on the tip. Tighten the glow plug to the manufacturer's specified torque. Connect the electrical terminal securely. It is recommended to replace all glow plugs simultaneously for uniform engine performance.
Care: Glow plugs are not user-serviceable components and do not require regular cleaning. Their function is solely within the combustion process. Inspect the electrical connections periodically for corrosion or damage. If an engine exhibits starting issues, the glow plugs are a component to be tested, not cleaned.
