vt365 diesel engine u201d found in a 2004 ford f350 truck if the engine has not been originally equipped with an oil cooler suitable mounting provision for the manifold must be made which may involve appropriate modifications such as tapping the engine block at suitable locations for mounting the manifold and installing suitable hydraulic lines however in most cases the cooling system of the present invention will be applicable and is adapted for replacement of a conventional engine mounted ic coolant to oil cooler and the following description proceeds on that basis once the existing oil cooler is removed the manifold 11 is secured using suitable hardware and gaskets to position and mount the housing on the engine block b port or passageway 25 in the underside of the manifold aligns with a port p in the engine block b through which hot unfiltered oil is directed to the manifold 11 the oil enters the manifold at passageway 25 and flows through the manifold 11 exiting at port 13 port 13 is connected by a hydraulic line 20 to oil filter 14 line 20 has an anti siphon check valve 21 to prevent reverse flow of oil through line 20 the oil filter 14 may be located immediately adjacent the manifold 11 or may be at a convenient location in the engine compartment considering engine size available space and other installation restrictions the oil filter 14 is a canister type and has an inlet 22 which communicates with and receives oil from the manifold the housing has a lower screw or spin on body 24 which is removable the body 24 contains a suitable element 26 of a filtering material such as paper or fiber which is periodically replaceable preferably the filter is a conventional filter available from manufacturers such.