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Apr 21, 2022

How Do Heat Glow Plugs Work?

Glow plugs are like mini heaters in your car’s bonnet. As heating elements, they warm the air and diesel in your engine for effective combustion.

Glow plugs share the same functionality as spark plugs. But rather than sparking the ignition in petrol engines, they heat air and fuel to start diesel engines.

glow-plug-for-mazda-me201638-me200970-89mm49260788378.webp

Glow Plug for Mazda Me201638 Me200970 89mm 11v Cp-05

Each diesel engine has a glow plug for every cylinder, which is why different makes and models need different numbers of plugs.


How does a heat plug work?

Unlike spark plugs, electric plugs need to be hot enough under pressure to spontaneously combust. In hot weather, fuel requires little help from other car parts to achieve this. However, diesel engines often have difficulty igniting fuel in cold weather. 

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Glow Plug for Toyota Cp22 19850-67020 19850-67030 104mm 11v

The heat plug heats the fuel to start the engine. To start the engine, the intake air is compressed, and as the piston rises, the engine jets diesel into the combustion chamber. The injected fuel combines with air, evaporates and ignites.

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Glow Plug for Toyota Pt-146 19850-68050 96mm 12v

After evaporation, ignition occurs almost simultaneously after evaporation. When the engine starts, the luminous plug is carried out in a three-phase process.

1) Preheat

2) Temperature maintenance

3) Heat after


Finding the Right Glow Plugs

With thousands of glow plugs available to choose from, it can be an overwhelming task to find the replacements for your car.

Wenzhou shuangsong automobile parts co.,ltd has a trusted global network that can help you with your needs of glow plug,solenoid throttle valves,stop solenoid valve,vacuum actuators,thermostat electric heating push rod. For more information on our services, give us a call at +86-577-65323363 or mail to info@gtglowplug.com. We look forward to doing business with you.

Wenzhou shuangsong automobile parts co.,ltd

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