We may receive a commission on purchases made from links. The glow plugs in a diesel are like the spark plugs in a gasoline engine, but they function differently. The only similarities between glow ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

Cummins was founded by Clessie Cummins in 1919 and has been building reliable diesel engines for more than 100 years. Cummins engines are used in large trucks, buses, and leisure vehicles, as well as ...

You own a diesel-powered vehicle and are thinking of giving it a tuneup. But does your diesel even have spark plugs to change? The short answer is no, diesel engines do not have spark plugs. Instead, ...

Diesel pickup truck engines have used glow plugs for decades. Well, let me rephrase that: Diesel pickup truck engines not made by Cummins have used glow plugs for decades. Those inline-sixes found ...