If you hear creaking, groaning or grinding noises coming from your vehicle, you can often grease your vehicle's suspension yourself using a grease gun. A grease cartridge is a simpler, cleaner way to load grease into your grease gun. There are many types and colors of grease available, so make sure you're using the right one for your application. O'Reilly Auto Parts carries a variety of grease cartridge types for every need. Take a look at our options and choose the right grease cartridge for your needs.