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Heat Exchanger 77319A1 / 77319
330 GM 454 V-8 1982-1987 6083145 THRU 0B816540
Some of the hoses had the part numbers stamped on them and others I've had to deduce which part it likely is
((HI PERFORMANCE TRANSOM)
(Basically S/N 4530701 & Below)
MerCruiser OMC GM Valve Rocker Arm Ball Unit Nut 2.5L 120hp 3.0L 140hp 4cyl Risers Heat Exchanger 77319A1 / 77319Part Number(s) Included 34519 Cylinder Head Rocker Valve Arm Superseded Equivalent Possibly Related P N: 5723551 59340 Rocker Valve Arm Stud Ball Unit Superseded Equivalent Possibly Related P N: 465934 11 34516 Rocker Valve Arm Stud Nut General Application Compatibility Pretty Much All MerCruiser Alpha One & OMC Stringer Cobra & Volvo Penta GM 120hp 2. 5L 4cyl 140hp 3. 0L 4cyl 165hp (6cyl) Applications 1963 Present) Other Details Freshwater Used Parts