LEROY’S HO Engine Oil Cooler Adapters

(((NOTICE))) All international customers (NON USA CUSTOMERS!!!). Please request an invoice by email. Include your postal code and a list of items wanted. Thank you. 

Product Price: USD 59.99


This kit comes with the proper metric thread with oring seal x -10AN JIC and allows you to have your own custom hoses made up. The advantage of using these fittings is, you get to reuse your stock GM cooler. Why buy a new cooler if your is perfectly good?

You can make your own -8 or -10 hoses to go with these adapters.

For ’97 or newer 6.5 liter diesel engine applications with 1/2″ ports above oil filter and HO oil cooler.


Picture below shows an HO cooler style port.