Replacement Part Number: 904-228, 3C3Z 6A642 CA, 904228, 015339, 3C3Z-6A642-CA, 3C3Z6A642CA, OCK388. Fitment/Compatibility 2003-2007 Fo-rd F250 Super Duty 2003-2007 Fo-rd F350 Super Duty 2003-2007 Fo-rd F450 Super Duty 2003-2007 Fo-rd F550 Super Duty 2005-2010 Fo-rd E250 2004-2010 Fo-rd E350/E350 Super Duty 2005-2010 Fo-rd E450 Super Duty Notes: 6.0L V8 Diesel Engines ONLY! How to replace the Oil Cooler Kit? 1.Raise the hood on the Detroit diesel. 2.Locate the oil cooler on the right-hand side of the engine block. It is rectangular in shape. 3. Use the socket set to remove the oil cooler housing from the side of the engine block. 4. Unscrew and remove the old cooler thermostat and seal rings. Slip the new seal rings over the replacement thermostat (which comes with the oil cooler kit) and then screw the new thermostat in. 5. Remove the core element from the inside of the cooler housing and the gasket that lies on the rim of the cooler housing. 6. Remove the cooler hose and the oil supply tube from the oil cooler filter beneath the core element by hand. 7. Install the new cooler filter inside the cooler housing along with the new core element from the kit, then reconnect the oil supply tube and cooler hose to the new core. 8. Place the cooler housing with the installed parts to the side of the engine block; insert the retaining bolts and tighten them with the socket set. 9.Notes:Save your time and money, check youtube video if you have installation problem.