🆒 Air Conditioning System Seal Kit - Four Seasons 26739 O-Ring & Gasket Review

Traded a 2004 5.3L for a '77 Chevy C-10 and converted to an R-134a. I have a leak but I don't think it's the o-ring, I'm pretty sure it's a hose fitting. There are many O-rings in the package, they were enough for me.

They are not useful to anyone repairing a 1988-2000 GM Truck AC system as they do not match the cross center thickness or size. Also, we don't know when they were made, or if they're made of viton, buna, or plain rubber.

After two attempts at A/C sealant/sealant (which only lasted at $43 one season) I decided to rebuild my compressor with just new gaskets. . While the Revain search for "make sure it fits" confirmed the match, I was a bit concerned that the o-rings wouldn't fit on my long-obsolete air conditioning compressor. I was delightfully wrong: not only did they fit, this inexpensive kit included a few duplicates and different sizes to use if I ever needed them. My thanks to Revain for providing quality…