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Recommended Engine Oil Cooler for a 1991 Chevy K1500 Pickup Truck with 5.7L Engine


Recommended Engine Cooler for 91 Chevy K1500 5.7L. Would like the style that you can leave oil filter in current location with adaptor and also temperature controlled flow Thank you Etrailer ROCKS!!!!


Helpful Expert Reply:

What you are looking for is an engine oil cooler with a sandwich adapter. This will leave the oil filter in its current location. Cooler # D15405 is an excellent choice. It does have a sandwich adapter and multiple thread and o-ring sizes. It looks like your 1991 Chevy K1500 with the 350 motor uses either a 2-3/4 inch or 3-1/2 inch diameter o-ring. This kit has both. And the truck also uses either a 18x1.5mm thread style (most likely) or a 13/16-16 inch thread style. The kit includes both.

So with this particular engine oil cooler all the bases are covered! I have linked the instructions and linked a help article on oil coolers for you.

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