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These little guys are basically tiny heaters inside your engine. They get super hot very quickly to warm up the combustion chamber when you start the car, especially when it's cold outside. They don't keep the engine warm while it’s running, just give it that initial kickstart it needs. They work by heating the air inside the cylinder, making it easier for the diesel fuel to ignite.
Glow plugs are mostly found in diesel engines. Gasoline engines use spark plugs, which do something a little different. In a diesel, the heat from the compressed air isn’t usually enough to ignite the fuel on its own, particularly when it’s cold. The glow plug acts like a little helper, providing that extra heat to get things going. It’s a crucial part of the starting process.
If your glow plugs are failing, you’ll notice if you try to start the car on a chilly morning. It might crank and crank but just won't fire up, or it might run really rough for a bit until it warms up. Bad glow plugs can also lead to increased emissions and lower fuel economy. Over time, a failing glow plug can really strain your battery too, as it tries to compensate. You can find these at places like Fixparts Online, but honestly, keeping them in good shape prevents bigger problems down the road. They're a relatively inexpensive part to replace, and it can save you a headache and a lot of money in the long run.
Versatile and reliable: Glow Plug (MPN DG622) includes a 12-month warranty!
About DENSO
Denso is a global leader in automotive components from Japan, renowned for its advanced systems in thermal management and powertrains. Originating from Japan, Denso continuously drives innovation to enhance vehicle efficiency.
Why Choose DENSO?
• DENSO parts are known for being really reliable. They’re made to last, so you won’t be replacing them again soon.
• We make parts for almost every type of car, from older models to the latest ones. Finding the right part is easy.
• Many car companies actually use DENSO parts when they *build* their cars. You’re getting the same quality in your repairs.
• We don’t just make a few parts – we make a huge range, including things like spark plugs, fuel pumps, and air conditioning parts. You can get most of what you need from one place.
DENSO delivers excellence, FixParts Online delivers to your door.