Ngk Heater/Glow Plug (Set Of 4Pcs) Skoda Octavia/Fabia/Volkswagen Beetle/Audi A4

A glow plug is a critical component in diesel engines, designed to help start the engine in cold weather. Glow plugs preheat the air in the combustion chamber to ensure that the fuel ignites properly when the engine is started, particularly under low-temperature conditions.

Key Functions of a Glow Plug:

Preheating the Combustion Chamber: Glow plugs are activated before the engine starts to warm up the air inside the combustion chamber. This helps the diesel fuel ignite more easily, as diesel engines rely on compression and heat to ignite the fuel rather than spark plugs.

Assisting Cold Starts: In colder temperatures, diesel fuel tends to gel and doesn't ignite as easily. The glow plug provides the necessary heat to ensure the engine starts smoothly, even in cold weather conditions.

Post-Heating (in some cases): After the engine starts, glow plugs may continue to work for a short period to help maintain stable combustion and reduce emissions during the warm-up phase.

Types of Glow Plugs:

Traditional Glow Plugs: These glow plugs have a simple resistive heating element and are usually made of a metal alloy. They take a few seconds to heat up before starting the engine.

Fast-Glow Plugs: These glow plugs use advanced materials to heat up faster and more efficiently, reducing the wait time before starting the engine.

Glow Plugs with Integrated Sensors: Modern glow plugs may come with integrated temperature sensors, which help monitor the temperature inside the combustion chamber and adjust the heating process.

Symptoms of a Faulty Glow Plug:

Hard Starting: The engine takes longer to start, especially in cold weather.

Engine Misfires: The engine runs roughly or misfires when started.

Increased Emissions: Poor combustion can lead to more exhaust smoke.

Check Engine Light: A malfunctioning glow plug might trigger the check engine light.

Glow plugs are vital for diesel engines, particularly in colder climates, to ensure reliable starting and proper combustion. They heat the air in the combustion chamber to aid in the ignition of the fuel, improving overall engine performance and efficiency.

NOTE: The shown image is for depiction purpose only. The images may represent actual product though color of the image and product may slightly differ. Kindly make your purchase decision based on the vehicle model, vehicle compatibility, NGK part number, type of glow plug, fuel type, engine type, dimensions and product name only. Kindly check the technical specifications to make better purchase decision.

NGK Plugs is a world-leader in innovation, technology and world class quality in design of spark plugs, glow plugs, Ignition coils and sensors. NGK Spark Plugs offers a wide variety of products for various automotive and industrial applications. NGK drives the future of spark plug engineering with products like NGK Iridium Spark Plugs, Platinum Spark Plugs and NGK conventional spark plugs. NGK is the World’s No. 1 Japanese spark plugs, glow plugs and sensor manufacturer and has been positioned as The Spark Plug Expert. The company produces around one billion spark plugs worldwide each year. It supplies to all major OEM’s in India and is well known for its high technology and excellent quality. Spark Plugs are meant only for Petrol cars and a four-cylinder car will have four spark plugs whereas a six-cylinder car will have six and so on. Ngk supply a wide variety of superior products that address global issues including the reduction of exhaust emissions and energy conservation. Ngk engineers and technicians have been working continually to improve the Spark plugs, Glow plugs & Sensors technology and in this way contribute to the campaign to combat air pollution as well as further advancing the engine technology of today. Every day Ngk make the greatest conceivable efforts to meet the product expectations and requirements of the OEM & aftermarket customers. Keeping this in consideration, Ngk focus on quality & services more than anything else and undertake to deliver nothing but the best.