How much does it cost to replace a glow plug?

Glow plugs are only available on diesel vehicles. Their role is to heat the air in the engine cylinder to cause the injected fuel to burn. Thus, the current circulates inside the candle to the heating filament, so that it reaches a very high temperature in order to ignite. When your glow plugs are out of order, they need to be replaced quickly. Find out in this article the cost of this intervention, as well as the various costs of these parts and labor!

💸 How much does a glow plug cost?

Glow plugs are inexpensive parts. Their prices will vary depending on selected model, their length in millimeters and brand... Glow plug designations will vary depending on equipment manufacturers and suppliers. That is why it is necessary to learn about the various equivalences. It is generally sold individually between 10 € and 30 €.

There are several ways to find out the part number of your glow plug:

• Le service book : it contains all the manufacturer's recommendations, including part numbers when replacing them;
• Glow plug base : links are very often annotated in this place, it is also necessary to know the brand of this, because the links differ depending on the equipment manufacturers;
• La plate number your car : If you buy spark plugs online, you will have access to all models compatible with your car by entering your license plate as a filter;
• The make, model and year of your vehicle. : These three elements let you know the type of glow plug required. They can be requested on the website when purchasing online or from the equipment manufacturer when purchasing at a car center.

When you have problems with engine ignition, fuel consumption increases, or preheat indicator Lights up on the dashboard, this could be due to worn spark plugs that need to be replaced.

💶 What is the labor cost of replacing the glow plug?

As a general rule, the glow plugs should be replaced every time. 120 kilometer... When you go to the auto shop, the mechanic will start with check the candles with an ohmmeter How le preheating relay.

The latter is an electrical box, the role of which is to transfer the energy needed by the spark plugs to ensure their proper functioning.

Then, if the glow plugs fail, a professional will remove them and then install new ones. Finally, he will fulfill series of tests and tests on board the vehicle to make sure the ignition system is working properly.

This maneuver will require 1 to 3 hours of work depending on vehicle type and ease of access to spark plugs. Depending on the type of workshop (detached garage, dealership or auto center) and its location, hourly wages can vary from 25 euros and 100 euros.Thus, in general, excluding the cost of parts, it is necessary to count between 25 € and 300 € work.

💳 What is the total cost of replacing a glow plug?

To correctly calculate the total cost of this intervention, It should be noted that it is highly recommended to replace all glow plugs.... Indeed, if they are not changed at the same time, the ignition system will be unbalanced, especially the cylinders.

Depending on the number of cylinders in your vehicle, you will need to multiply the spark plug price by the required number. For example, if you have a 4 cylinder engine you will need 4 glow plugs.

Thus, adding up the cost of labor and the cost of parts, it is necessary to calculate between 65 € and 420 €.

To find the garage closest to you at the best price, use our online garage comparator... This saves you time by getting quotes for replacing glow plugs at locations near your home.

By consulting the opinions of other motorists, you can find out the reputation of each of the garages, and then make an appointment with one of them at any time of your choice.

Glow plugs are essential for the smooth operation of your diesel vehicle. In addition, they also play an important role in the emission control system. As soon as they show signs of wear, contact a mechanic immediately to check their condition and replace them if necessary!