Review on Four Seasons 26742 Gasket Conditioning by Drew Beckett

For my 1998 GMC Jimmy application, none of the o-rings that came with them will fit the old ones. The green ones are the only ones that might fit the new battery lead, but they were thinner than the old ones so I only used one when I dropped the o-ring to compare to what was in that package . My acdelco pro replacement compressor had 2 sets of metal/rubber washers so I did not test if the ones included in that set would work. The new Orifice tube also had its own little O-ring, so I didn't need that either. *I* got this to make sure I have o-rings for insurance, better as a replacement for almost 20 year olds. on my car and if I dropped one they would get damaged etc. But I wasn't impressed with the thinner NEW o-rings compared to the compressed 20 year old. If you're not sure if you're going to need them, it's probably best to order them and come back after the job is done or travel to pick them up. I hate having parts delivered in the middle of a job and for the price I would have preferred a fallback but I wasn't impressed with the product. I used 1 and there were no leaks but just because I dropped one and couldn't find it I would have preferred to use the old one which was thicker than the new one in this set.