Car Spark Plugs
Engine Oil Drain Plug Gasket
Audi
n0138498
4.0L. From 06/19/2017. 3.0L. From 04/01/2016.
Drive Motor Inverter Cooler Drain Plug
Audi
4F0-805-271
Hybrid power control. Drain valve.
Apple Lightning - Flexible USB Plug - Angled
Audi
8s0051435m
Created to work with your Apple device- the flexible USB plug allows for a secure connection in the tightest of spaces. All Audi USB...
Drive Motor Inverter Cooler Drain Plug
Audi
8R0-907-272
Hybrid power control. Drain tube.
Engine Coolant Thermostat Housing Drain Plug
Audi
wht003874
Main, 5.2L. 4.2L, primary. Main, 4.2L.
Drive Motor Battery Pack Charging Port Cover
Audi
85E-971-904
Charge port & components, left side.
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Are Spark Plugs and Glow Plugs the Same?
It’s a common misconception, but spark plugs and glow plugs are not interchangeable. These components serve different roles depending on your vehicle’s engine type. Understanding their differences can help you avoid serious ignition issues and choose the right parts when it’s time for maintenance.
Spark Plugs vs. Glow Plugs and Buying the Right Ones
1. Used in Different Engine Types
Spark plugs are used in gasoline engines, while glow plugs are essential for diesel engines.
2. Ignition Method Varies
Spark plugs create a spark to ignite the fuel-air mix, whereas glow plugs heat the air in the cylinder to ignite diesel fuel.
3. Starting Conditions Are Not the Same
Glow plugs are more critical in cold weather starts, while spark plugs work consistently in all temperatures.
4. Lifespan and Maintenance Differ
Spark plugs generally require more frequent replacement than glow plugs, depending on your driving habits and engine design.
5. Performance Impact Depends on Fit
Using the wrong type or poorly performing plugs can lead to rough starts, misfires, or poor fuel economy.
If your engine is still hesitating, don’t forget to check the fuel injectors—they’re critical to proper combustion. For expert help picking the right ignition components, contact us today.