Enhance Engine Performance with Fel-Pro ES 70599 Fuel Injector O-Ring Set! Review

Decided to switch to my Sorento 145K mi 2012 and replace the oil sensor inside. While the old ones weren't too bad, these fit well and have increased confidence in preventing future gas leaks. Just take 6 if you have 6 cylinders. I had to leave a few in place.

The seals on the 2/4 injectors failed despite being firmly seated after assembly. 4 stars because I have installed/removed atomizers from other projects multiple times when they should last more than 18 months. I imagine if they had just set/forgotten they would have taken a little longer.

I recently had to replace the intake manifold on my Mustang and could have used the existing rings as they were in good condition. I opted for all new rings, gaskets, bolts etc and have never had a problem with the Fel-Pro in the past so have used them again. I inspected each ring, there were no defects and after installation, the seal was perfect, there were no leaks. Perfect as usual!

I used these after breaking 2 of 4 injector o-rings after cleaning the injectors on my 2006 Toyota Matrix base. These Fel Pro o-rings are three times thicker than the factory o-rings and at least twice as thick as the replacement parts from the Uremco o-ring kit, also purchased from Amozon and installed after cleaning the injectors. & I recommend the Uremco kit as it comes with a bottom nozzle spacer, top o-ring and replacement screens for all 4 nozzles. I couldn't imagine that these Fel Pros…