Parts list: № Number Qty Name Options 1 AR50411 1 Wiring Lead 2 R54510 1 Cap 3 R54511 1 Nut 4 R54123 1 Adapter Fitting 5 U13639 1 O-Ring 6 AR62399 1 Coolant Heater 7 R47693 1 Gasket (SUB R206883) 8 RE227949 1 Coolant Heater (SUB FOR AR62492) Next page: 20-4 CYLINDER HEAD AND ROCKER ARM COVER [01A22] 20-42 ENGINE OVERHAUL GASKET KIT [01C04] 20-6 CAMSHAFT, VALVES AND ROCKER ARM SHAFT [01A24] 20-8 CYLINDER BLOCK [01B01] 20-38 ENGINE COOLANT HEATER REPLACEMENT [01C02] 20-37 ENGINE COOLANT HEATER (VERTICAL EXHAUST SYSTEM) [01C01] 20-36 WATER MANIFOLD AND THERMOSTAT [01B25] 20-35 WATER PUMP OVERHAUL KIT [01B24] 20-34 WATER PUMP ASSEMBLY [01B23]