Nissan Genuine 999MB AX000 Valve Stem Review

These valve stem caps are great. Very well made and looks perfect. No mistakes. They look like they came with my 2010 Infiniti G37. Nothing to regret. Thank you guys.

They look good, but they're cheap. This is my second set and both lasted about a year before corroding and sticking to the stems. It's not interesting to get it with pliers to remove the valve cover.

Bought these to replace the gray OEM caps, they look great! I bought them mainly for aesthetic reasons, but these are real caps and a preform as such. Excellent shipping and packaging wasn't too crazy. Buy recommendation from me.

Second purchase of these products. after 2-3 years, 1 of them broke the end after visiting a tire shop. I think they were just over tightened - I've used them countless times and never had a problem. I believe both sets are genuine Nissan parts and I now have a few spares in case one of the others fails.

They say Original but they aren't. I had the ORIGINAL CAPS one of which was left over at the tire store. Genuine Nissan caps (shown side by side in my bad photos) are PLASTIC (OEM P/N: #999MB-SX000) and cost about $12. It's definitely chromed metal. Much harder. They have a small o-ring inside that is not installed very well. I have attached the relevant text. If you find out what four electrons are please let me know. I replaced my "Original Failed Valve Cover" of which there were 3 original…