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Originally Posted by t walgamuth
it is a radiator type. all of them are very similar except the older ones had the drain plug. a word of caution, the tanks on the oil coolers are very fragile and the fitting with the drain plug and the line fittings can very easily be twisted out.
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As a word of warning..
..Do not attempt to unscrew the lower oil line fitting on the cooler.
I have changed out many engines and the cooler lower fitting is the only thread that consistently siezes and is grief to repair.
I now remove the cooler complete or leave it in the car and flush it out with solvent....depends on the engine failure.
The alloy threads seem to weld to the line nut after 15 or more years in service ...Leave well alone !