Thankfully, I didn't know the extent of it or I would have blown a gasket.

谢天谢地，我当时并不知道花了这么多钱，否则我早就暴跳如雷了。

youdao

When installing a pinch valve to a rubber, PVC, or any "slick" mating flange, we recommend that you install a metal serrated gasket between the two flanges to assist in the seal.

在安装夹管阀时，如果采用橡胶、PVC或任何“光滑的”配套法兰，则我们建议在两个法兰之间加装一个金属锯齿垫圈以增强密封效果。

youdao

If the gasket is not present or must be replaced, select a replacement compatible for the product involved.

如果垫圈不在或者垫圈必须更换，选择一个同相关的产品相容的替代品。

youdao

You can damage your engine if you're not careful to use the right oil filter and replace the oil-drain plug without stripping its threads, or forget a leak-stopping gasket.

WSJ: Diagnostic Tools to Unleash Your Inner Mechanic