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Troubleshooting Engine Oil Leak on 2001 Dodge 5.9 Magnum At Oil Filter Sandwich Adapter  


2001 dodge 5.9 magnum. My truck has an engine oil cooler on it.. it’s has a slow leak and it appears to be coming from the fittings.. the hoses are wet near the fitting but it’s actually dripping down the filter


Expert Reply:

It sounds like you either have a bad o-ring, the incorrect fittings, or the threads have been stripped. You don't need the entire kit like # D15502 for that fix. I recommend the Derale Thermostatic Sandwich Adapter Kit - Multiple Engine Filter Threads # D15782 as a replacement. This will use barb style fittings and hose clamps at the hoses and when installed correctly should not have any leak.

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