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I've got a coolant leak in the valley, started leaking the first night it got below 25. Only leaks cold. Anyone know if I can buy the o-rings for the oil cooler housing water outlet, it takes 2, one for the outlet to housing and one for the little cover. I've found them in the oil cooler gasket kit or you can get the outlet and cover with o-rings but I can't find just the o-rings separate.
 

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My history of below-freezing coolant leaks at that location has always been the "blue hose."

I know one or is 3C3Z-9N693-EA.

The other may be 3C3Z-9N693-FA.
 

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Thanks. I think that will work, still can't find the leak.
I just have to catch it at the right time. I guess when I did the egr delete i changed out the blue hose for a regular w/ clamps. I did open the oil cooler cover and replaced it with the ipr research manafold. Now the leak in the valley. I'm going to keep looking.
 
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