Review on Dorman 609-133 TPMS Green Sealing Valve Cap, Plastic, Pack of 50 by Josh Fox

It's "good" but they don't last long. Eventually you'll need all 50. I have to rotate about every six months. The top of the cap (the rounded part) simply separates from the rest of the cap after minimal use (see photo). At around 18 cents a cap, I think they should last longer. Standard caps can last for years on most vehicles. Maybe I just got a bad batch of 50 but I will end up using all 50 for too long as I use them for 2 vehicles. Maybe I'll give them another chance when I run out of my first 50 capsules. If I can't find anything better.