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Select an engine manual from the list below and you will see a line drawing of the associated parts group where your parts is located.
Your part will appear in red on the associated parts list.
Westerbeke 10TWO / 3KW Cylinder Block and Head Westerbeke 10TWO / 3KW Lube Oil Pump and Sump Westerbeke 10TWO / 3KW Lube Oil Pump and Sump Westerbeke 10TWO / 3KW Lube Oil Pump and Sump Westerbeke 10TWO / 3KW Cooling System Westerbeke 10TWO / 3KW Fresh Water Pump - Alternator Westerbeke 10TWO / 3KW Governor Westerbeke 10TWO / 3KW Governor Westerbeke 10TWO / 3KW Fuel System Westerbeke 10TWO / 3KW Fuel System Westerbeke 12C TWO Cylinder Block Westerbeke 12C TWO Cylinder Block Westerbeke 12C TWO Cylinder Block Westerbeke 12C TWO Cylinder Head Westerbeke 12C TWO Camshaft Timing System Westerbeke 12C TWO Camshaft Timing System Westerbeke 12C TWO Camshaft Timing System Westerbeke 12C TWO Cooling System Westerbeke 12C TWO Cooling System Westerbeke 12C TWO Cooling System Westerbeke 12C TWO Governor System Westerbeke 12C TWO Governor System Westerbeke 12C TWO Governor System Westerbeke 12C TWO Fuel System Westerbeke 12C TWO Fuel System Westerbeke 12C TWO Electrical System Westerbeke 12C TWO Electrical System Westerbeke 20B TWO / 30B THREE 20B TWO - CYLINDER BLOCK Westerbeke 20B TWO / 30B THREE 20B TWO - CYLINDER BLOCK Westerbeke 20B TWO / 30B THREE 20B TWO - CYLINDER BLOCK Westerbeke 20B TWO / 30B THREE 30B THREE - CYLINDER BLOCK Westerbeke 20B TWO / 30B THREE 30B THREE - CYLINDER BLOCK Westerbeke 20B TWO / 30B THREE 30B THREE - CYLINDER BLOCK Westerbeke 20B TWO / 30B THREE 20B TWO - CYLINDER HEAD - VALVES - ROCKER SHAFT Westerbeke 20B TWO / 30B THREE 30B THREE - CYLINDER HEAD - VALVES - ROCKER SHAFT Westerbeke 20B TWO / 30B THREE 20B TWO - 30B THREE - CAMSHAFT TIMING SYSTEM Westerbeke 20B TWO / 30B THREE 20B TWO - 30B THREE - CAMSHAFT TIMING SYSTEM Westerbeke 20B TWO / 30B THREE 20B TWO - 30B THREE - CAMSHAFT TIMING SYSTEM Westerbeke 20B TWO / 30B THREE 20B TWO - COOLING SYSTEM Westerbeke 20B TWO / 30B THREE 20B TWO - COOLING SYSTEM Westerbeke 20B TWO / 30B THREE 20B TWO - COOLING SYSTEM Westerbeke 20B TWO / 30B THREE 30B THREE - COOLING SYSTEM Westerbeke 20B TWO / 30B THREE 30B THREE - COOLING SYSTEM Westerbeke 20B TWO / 30B THREE 30B THREE - COOLING SYSTEM Westerbeke 20B TWO / 30B THREE 20B TWO - 30B THREE - GOVERNOR SYSTEM Westerbeke 20B TWO / 30B THREE 20B TWO - 30B THREE - GOVERNOR SYSTEM Westerbeke 20B TWO / 30B THREE 20B TWO - 30B THREE - GOVERNOR SYSTEM Westerbeke 20B TWO / 30B THREE 20B TWO - FUEL SYSTEM Westerbeke 20B TWO / 30B THREE 20B TWO - FUEL SYSTEM Westerbeke 20B TWO / 30B THREE 30B THREE - FUEL SYSTEM Westerbeke 20B TWO / 30B THREE 30B THREE - FUEL SYSTEM Westerbeke 20B TWO / 30B THREE 20B TWO - 30B THREE - ELECTRICAL SYSTEM Westerbeke 35B Three / 38B Four / 42B Four Propulsion and Generator - Fresh Water Pump Westerbeke 35B Three / 38B Four / 42B Four Propulsion and Generator - Fresh Water Pump Westerbeke 35B Three / 38B Four / 42B Four Propulsion - Fuel System Westerbeke 35B Three / 38B Four / 42B Four Propulsion - Throttle and Stop Cable Bracket Westerbeke 35B Three / 38B Four / 42B Four Propulsion and Generator - Governor System Westerbeke 35B Three / 38B Four / 42B Four Propulsion and Generator - Governor System Westerbeke 35B Three / 38B Four / 42B Four Propulsion and Generator - Governor System Westerbeke 35B Three / 38B Four / 42B Four Propulsion and Generator - Governor System Westerbeke 46 / 15.0 BTD - 60 Hz / 12.0 BTD - 50 Hz Fuel System Westerbeke 46 / 15.0 BTD - 60 Hz / 12.0 BTD - 50 Hz Lubrication Oil Pump Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 13A-18-21A-27A-33A Electrical System Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 18-21A-27A-33A- Fuel System Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 13A-BC 4.4KW- Fuel System Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 13A-BC 4.4KW- Fuel System Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 13A-BC 4.4KW- Fuel System Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 13-18-21-27-33 Idle Stop Assembly Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 18-21-27-33 Governor Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 18-21-27-33 Governor Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 18-21-27-33 Governor Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 18-21-27-33 Governor Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 18-21-27-33 Governor Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 13- Governor Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 13- Governor Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 13-18-21-27-33 Fresh Water Pump Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW BC-4.4KW Generator- Cooling System Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 13-18-21-27-33 Lube Oil Pump Westerbeke W55A Throttle Cable Connection Westerbeke W55A Air Filter-Manifold-Cooling System Westerbeke W55A Air Filter-Manifold-Cooling System Universal M-25XPB / M-35B / M-40B GEAR CASE ASSEMBLY - M-25XPB / M-35B / M-40B Universal M-25XPB / M-35B / M-40B GEAR CASE ASSEMBLY - M-25XPB / M-35B / M-40B Universal M-25XPB / M-35B / M-40B GEAR CASE ASSEMBLY - M-25XPB / M-35B / M-40B Universal M-25XPB / M-35B / M-40B GEAR CASE ASSEMBLY - M-25XPB / M-35B / M-40B Universal M-25XPB PISTONS, CRANKSHAFT AND MAIN BEARINGS - M-25XPB Universal M-25XPB PISTONS, CRANKSHAFT AND MAIN BEARINGS - M-25XPB Universal M-35B / M-40B PISTONS, CRANKSHAFT AND MAIN BEARINGS - M-35B / M-40B Universal M-35B / M-40B PISTONS, CRANKSHAFT AND MAIN BEARINGS - M-35B / M-40B Universal M-25XPB VALVE HEAD COVER AND AIR INTAKE MANIFOLD - M-25XPB Universal M-35B / M-40B VALVE HEAD COVER AND AIR INTAKE MANIFOLD - M-35B / M-40B Universal M-25XPB FUEL FILTER, NOZZLE HOLDERS AND INJECTORS - M-25XPB Universal M-35B / M-40B FUEL FILTER, NOZZLE HOLDERS AND INJECTORS - M-35B / M-40B Universal M-35B / M-40B FUEL FILTER, NOZZLE HOLDERS AND INJECTORS - M-35B / M-40B Universal THROTTLE AND GOVERNOR ASSEMBLIES Universal FRESH WATER COOLING SYSTEM Universal FRESH WATER COOLING SYSTEM Universal FRESH WATER COOLING SYSTEM Universal M-25 / M-25XP Gear Case Group Universal M-15 ALTERNATOR / DYNAMO GROUP Universal M3-20B Throttle Assembly Universal M3-20B Alternator Assembly Universal M3-20B Gear Case Assembly Universal M3-20B Gear Case Assembly Universal M3-20B Gear Case Assembly Universal M3-20B Raw Water Pump Universal M3-20B Cooling System Universal M3-20B Cooling System Universal M3-20B Valve Rocker Arm Assembly Universal M3-20B Fuel Injection Pump and Fuel Camshaft Universal M3-20B Exhaust Manifold and Heat Exchanger Universal 5432 SPEED CONTROL PLATE Universal 5432 NOZZLE HOLDER- To Serial Number 315022 Universal 5432 CRANKCASE To Serial Number 315022 Universal 44A 44B 12.5 BTDB-60 9.4 BTDB-50 15.0 BTDC-60 12.0 FUEL LIFT PUMP & FUEL FILTER -44A/B Universal 44A 44B 12.5 BTDB-60 9.4 BTDB-50 15.0 BTDC-60 12.0 FUEL LIFT PUMP & FUEL FILTER -44A/B Universal 44A 44B 12.5 BTDB-60 9.4 BTDB-50 15.0 BTDC-60 12.0 THROTTLE ASSEMBLY- 44A/B Universal 44A 44B 12.5 BTDB-60 9.4 BTDB-50 15.0 BTDC-60 12.0 BACK END - 12.5 BTDB- 15.0 BTDC Westerbeke 35C 35D 8.0 BTDA-60 6.0 BTDA-50 10.0 BTDA-60 7.5 B FUEL LIFT PUMP & FUEL FILTER - 35C/D Westerbeke 35C 35D 8.0 BTDA-60 6.0 BTDA-50 10.0 BTDA-60 7.5 B THROTTLE ASSEMBLY - 35C/D Westerbeke 35C 35D 8.0 BTDA-60 6.0 BTDA-50 10.0 BTDA-60 7.5 B GOVERNOR ASSEMBLY-35C/D-8.0-10.0 BTDA Westerbeke 35C 35D 8.0 BTDA-60 6.0 BTDA-50 10.0 BTDA-60 7.5 B BACK END - 8.0 - 10.0 BTDA Westerbeke 35C 35D 8.0 BTDA-60 6.0 BTDA-50 10.0 BTDA-60 7.5 B CIRCUIT BREAKER ASSEMBLY-8.0 BTDA Westerbeke 20 BEG 60 / 16 BEG 50 / 25 BEG 60 / 20 BEG 50 Gasoline Generators GASDENSER AND LIFT PUMP Westerbeke 20 BEG 60 / 16 BEG 50 / 25 BEG 60 / 20 BEG 50 Gasoline Generators BACK END - GENERATOR Westerbeke 20 BEG 60 / 16 BEG 50 / 25 BEG 60 / 20 BEG 50 Gasoline Generators BACK END - GENERATOR Westerbeke 20 BEG 60 / 16 BEG 50 / 25 BEG 60 / 20 BEG 50 Gasoline Generators AC OUTPUT AND REGULATOR Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator CYLINDER BLOCK Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator CYLINDER BLOCK Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator CYLINDER BLOCK Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator CAMSHAFT - TIMING SYSTEM Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator CAMSHAFT - TIMING SYSTEM Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator CAMSHAFT - TIMING SYSTEM Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator COOLING SYSTEM - EXHAUST MANIFOLD Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator COOLING SYSTEM - EXHAUST MANIFOLD Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator COOLING SYSTEM - EXHAUST MANIFOLD Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator GOVERNOR SYSTEM Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator GOVERNOR SYSTEM Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator FUEL SYSTEM Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator BACK END - GENERATOR - MOUNTING SYSTEM Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator BELT - IDLER PULLEY - BELT GUARD Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator BELT - IDLER PULLEY - BELT GUARD Westerbeke 5.0 BCD 60 / 4.0 BCD 50 Marine Diesel Generator BELT - IDLER PULLEY - BELT GUARD Westerbeke 70-100 / 25-32KW Westerbeke 70 - Intake Manifold Westerbeke 70-100 / 25-32KW Westerbeke 100 - Timing Gear Cover - Oil Sump Westerbeke 70-100 / 25-32KW Westerbeke 70 - Timing Gear Cover - Oil Sump Westerbeke 71B Four / 20.0 BED-60Hz / 16.0 BED-50Hz GENSET BACK END - GENERATOR Westerbeke 71B Four / 20.0 BED-60Hz / 16.0 BED-50Hz GENSET BACK END - GENERATOR Westerbeke 71B Four / 20.0 BED-60Hz / 16.0 BED-50Hz GENSET AC OUTPUT & REGULATOR Westerbeke 71B Four / 20.0 BED-60Hz / 16.0 BED-50Hz GENSET ELECTRONIC GOVERNOR ACTUATOR Westerbeke 71C Four / 20.0 BEDA-60Hz / 16.0 BEDA-50Hz GENSET ELECTRONIC GOVERNOR ACTUATOR Westerbeke 71C Four / 20.0 BEDA-60Hz / 16.0 BEDA-50Hz GENSET AC OUTPUT AND REGULATOR Westerbeke 71C Four / 20.0 BEDA-60Hz / 16.0 BEDA-50Hz GENSET BACK END - GENERATOR Westerbeke 71C Four / 20.0 BEDA-60Hz / 16.0 BEDA-50Hz GENSET BACK END - GENERATOR Westerbeke 71C Four / 20.0 BEDA-60Hz / 16.0 BEDA-50Hz FUEL SYSTEM Westerbeke 71C Four / 20.0 BEDA-60Hz / 16.0 BEDA-50Hz FUEL SYSTEM Westerbeke 46 / 15.0 BTD - 60 Hz / 12.0 BTD - 50 Hz Cylinder Block - Sump Westerbeke 82B FOUR / 25.0 BED-60Hz / 20.0 BED-50Hz TIMING GEAR COVER - LUBE OIL SUMP Westerbeke 82B FOUR / 25.0 BED-60Hz / 20.0 BED-50Hz GENSET BACK END - GENERATOR Westerbeke 82B FOUR / 25.0 BED-60Hz / 20.0 BED-50Hz GENSET BACK END - GENERATOR Westerbeke 82B FOUR / 25.0 BED-60Hz / 20.0 BED-50Hz GENSET AC OUTPUT AND REGULATOR Westerbeke 82B FOUR / 25.0 BED-60Hz / 20.0 BED-50Hz GENSET ELECTRONIC GOVERNOR ACTUATOR Westerbeke W 13/18/21/27/33 Propulsion 4.4/6/7.7/8/11/12.5 KW 18-21-27-33 Cylinder Head Westerbeke 10TWO / 3KW Belt Guard Westerbeke 10TWO / 3KW Belt Guard Westerbeke W55A Electrical System Westerbeke 46 / 15.0 BTD - 60 Hz / 12.0 BTD - 50 Hz Fuel System Westerbeke 46 / 15.0 BTD - 60 Hz / 12.0 BTD - 50 Hz Genset Back End - Generator - Mounting System Westerbeke 46 / 15.0 BTD - 60 Hz / 12.0 BTD - 50 Hz Genset Sound Guard Westerbeke 8.5 / 12.5 / 15 BTG Gasoline Generators 8.5 BTG GENERATOR ~ AC OUTPUT AND REGULATOR Westerbeke 35B Three / 38B Four / 42B Four Generator - Back End - Generator - Mounting System Westerbeke 35B Three / 38B Four / 42B Four Propulsion - Electrical System Westerbeke 35B Three / 38B Four / 42B Four Generator - Electrical System Westerbeke 35B Three / 38B Four / 42B Four Generator - Electrical System Westerbeke 82B FOUR / 25.0 BED-60Hz / 20.0 BED-50Hz FUEL SYSTEM Westerbeke 82B FOUR / 25.0 BED-60Hz / 20.0 BED-50Hz FUEL SYSTEM Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz TIMING GEAR COVER Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz LUBE OIL SUMP Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz FRESH WATER COOLING SYSTEM - FRONT Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz GENSET BACK END - GENERATOR Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz GENSET BACK END - GENERATOR Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz GENSET AC OUTPUT AND REGULATOR Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz FUEL SOLENOID & GOVERNOR ACTUATOR Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz FUEL SOLENOID & GOVERNOR ACTUATOR Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz PROPULSION ELECTRICAL SYSTEM Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz PROPULSION ELECTRICAL SYSTEM Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz PROPULSION ELECTRICAL SYSTEM Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz GENSET ELECTRICAL SYSTEM Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz GENSET ELECTRICAL SYSTEM Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz GENSET ELECTRICAL SYSTEM Westerbeke 90A Four / 32.0 BEDA-60 Hz / 25.0 BEDA-50Hz GENSET CONTROL PANEL WITH REMOTE CONNECTOR