Per Lycoming service instruction 1565A this oil cooler bypass valves is a direct replacement for part # 53E19600 and part # 75944. I have not installed it yet but hope this helps you readers with the research on part numbers. I will give a rating when I get it installed and tested.

Pricey, but solved the oil temperature problem. (The OLD assembly extended only 1/4.)

John V Verified Purchase

53E22144 Lycoming Temperature Cont. Oil Cool Valve Assembly

Solved my overheating issue. Old VT didnt extend enough to bypass the oil to cooler. I replaced it and flew AC on a warmer day and AC remained at a reasonable temp 220.

Dru P Verified Purchase

53E22144 Lycoming Temperature Cont. Oil Cool Valve Assembly

Worked great in my Arrow.

Jerald C Verified Purchase

53E22144 Lycoming Temperature Cont. Oil Cool Valve Assembly

Worked perfectly and held the set temperature. Easily installed.

Fullerton A Verified Purchase

53E22144 Lycoming Temperature Cont. Oil Cool Valve Assembly

Vernatherm wasnt calibrated correctly. Popped at 230-250F. Requested replacement but instead of sending one out when it arrives I am jumping through warranty hoops for my money back. Told a month before I hear anything. Total BS. In my airplane .01 hours. WTF?

Sam C Verified Purchase

53E22144 Lycoming Temperature Cont. Oil Cool Valve Assembly

Didnt solve the oil temp problem, but arrived quickly and as described. The old unit had approximately a .250 throw when placed in pan of boiling water.

Paul D Verified Purchase

53E22144 Lycoming Temperature Cont. Oil Cool Valve Assembly

15hours after major OH the new Superior temp control valve began showing higher than normal oil temps. Ordered the Lycoming 53E22144, installed and issue is solved. Would highly recommend using this PN anytime you have a issue or during OH

Daniel C Verified Purchase

53E22144 Lycoming Temperature Cont. Oil Cool Valve Assembly

Its kind of a two fold review. The part came to me and was not calibrated correctly. It would not open up until 250°F. It should have popped at 185°F or 85°C. During the return of the item aircraft, Spruce said they did not have a part and I would have to do a warranty claim. If they had the part they would have swapped it out but, because they dont have stock, I have to do the warranty paperwork and jump through all the hoops. I said, I would hear something in a month or so. Then, if they or my coming decided to cover the warranty, they would do so at that time. If not, Im out my purchase. So as of now, I have done all of their paperwork and all of their request and Im waiting to hear an answer. Its pretty ridiculous when youre dealing with basically a thermostat. I also included supporting video showing my Garman data where you can see when the oil temperature dropped. Also, I took a video of it on the stove being heated up in oil and you can see where it also opens up. The purchase was also done and installed and used one time. So I guess well see how aircraft Spruce does with the situation but I cant believe Im going through all this hassle on a simple purchase of a vernatherm. Thank God it wasnt something more complicated or expensive

Sam C Verified Purchase

53E22144 Lycoming Temperature Cont. Oil Cool Valve Assembly