OEM auxiliary engine oil cooler fitting size on 1990 V1500

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gmbellew

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Joined
May 27, 2018
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Location
Kansas city
First Name
glen
Truck Year
1990
Truck Model
suburban 1500
Engine Size
350
my OEM auxillary engine oil cooler is leaking a little at the top of the cooler. I want to make sure the new cooler will work, or if I will need some adapters, before I take anything apart.

Does anybody know what size the fittings are on the OEM auxillary engine oil cooler?
 

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