I recently purchased a replacement cap for my car's oil filler and it has been a great addition to my routine maintenance. After I put it to the test, I noticed that it sealed tightly without any leakage, making the oil replacement process smooth and mess-free. The cap's design also compliments my car's ENGINE and looks great under the hood. The only downside is that it's a bit pricey but it's worth the investment for a reliable quality product..