Oil Pressure sender leaks

I'm on my third oil pressure sender, they seem to last a few thousand miles and then start to leak. Does anyone know of a bullet proof sender??? Newly rebuilt 360 roller with a Melling standard pump. Cold oil pressure is 72 lbs at idle and 28 lbs when hot. I broke it in on regular break in oil with no problems, no other leaks at all. I'm running full synthetic 10/30 right now. There must be a decent pressure sender available somewhere??
Author: admin