386-4637 CYLINDER HEAD GP PART OF 380-1776, 392-4127 ENGINE AR-PRIMARY AN ATTACHMENT 303.5E MINI HYD EXCAVATOR



BASIC ENGINE
CYLINDER HEAD GP
PAN GP-OIL
FLYWHEEL GP
GEAR GP
LIFTING GP-ENGINE
MOUNTING GP-ENGINE
PAN GP-OIL
PISTON & ROD GP
ENGINE GP

MINI HYD EXCAVATOR 303.5E MINI HYD EXCAVATOR JX2
 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine M0067944 303.5E JX2   (2015)

BASIC ENGINE

CYLINDER HEAD GP
386-6920 CYLINDER HEAD AS
CYLINDER HEAD GP
386-4637 CYLINDER HEAD GP
 

#M00679440070
 

386-4637: CYLINDER HEAD GP

386-4637 CYLINDER HEAD GP
PART OF 380-1776, 392-4127 ENGINE AR-PRIMARY
AN ATTACHMENT
i06657427 M0067944
3864637 CYLINDER HEAD GP Parts scheme
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Parts for your 303.5E MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 383-0263 [6] SEAL  
2. 383-0264 [6] CAP  
3. 383-0265 [6] RETAINER  
4. 383-0266 [6] COLLAR  
5. 383-0387 [14] BOLT  
6. 386-6922 [1] GASKET (1.20-MM THK)  
  386-6921 [1] GASKET (1.15-MM THK)  
  386-6923 [1] GASKET (1.25-MM THK)  
  386-6924 [1] GASKET (1.30-MM THK)  
  386-6925 [1] GASKET (1.35-MM THK)  
7. 386-6920 Y [1] CYLINDER HEAD AS  
8. 383-0534 [3] VALVE-INLET  
9. 383-0535 [3] VALVE-EXHAUST  
10. 383-0554 [6] SPRING-VALVE  
11. 395-3381 [1] PLUG  
  Y   SEPARATE ILLUSTRATION
 

#M00679440071
 

378-2141: DRAIN GP-ENGINE OIL

378-2141 DRAIN GP-ENGINE OIL -ENGINE OIL
PART OF 379-4727 DRAIN GP-OIL
AN ATTACHMENT
i06191861 M0067944
3782141 DRAIN GP-ENGINE OIL Parts scheme
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Parts for your 303.5E MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 381-1122 [1] SHUTOFF AS (ENGINE OIL)  
  381-1123 [1] GASKET  
 

#M00679440072
 

386-4592: FLYWHEEL GP

386-4592 FLYWHEEL GP
PART OF 380-1776, 392-4127 ENGINE AR-PRIMARY
AN ATTACHMENT
i06657494 M0067944
3864592 FLYWHEEL GP Parts scheme
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Parts for your 303.5E MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 383-0180 [1] BOLT  
2. 383-0207 [1] WASHER  
3. 383-0345 [11] BOLT  
4. 383-0576 [6] BOLT  
5. 383-0598 [1] COVER  
6. 386-6938 [1] HOUSING-FLYWHEEL  
7. 386-6937 [1] FLYWHEEL AS  
7A. 383-0420 [1] GEAR-RING  
 

#M00679440073
 

383-0503: HOUSING GP-FRONT

383-0503 HOUSING GP-FRONT
PART OF 380-1776, 392-4127 ENGINE AR-PRIMARY
AN ATTACHMENT
i05439545 M0067944
3830503 HOUSING GP-FRONT Parts scheme
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Parts for your 303.5E MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 383-0165 [3] BOLT  
2. 383-0189 [1] BOLT  
3. 383-0190 [2] BOLT  
4. 383-0192 [1] BOLT  
5. 383-0193 [4] BOLT  
6. 383-0220 [2] PIN  
7. 383-0230 [1] CAP  
8. 383-0234 [1] BALL  
9. 383-0281 [1] SPRING  
10. 383-0302 [1] GUIDE  
11. 383-0402 [1] PIPE  
12. 383-0423 [1] GASKET  
13. 383-0426 [7] BOLT  
14. 383-0438 [1] GASKET  
15. 383-0440 [1] FLANGE AS  
15A. 383-0427 [1] PLUG  
16. 383-0492 [1] GASKET  
17. 383-0506 [1] COLLAR  
18. 383-0530 [2] BOLT  
19. 383-0551 [1] HOUSING AS-FRONT  
19A. 383-0336 [2] PLUG  
20. 383-0595 [1] FLANGE AS  
20A. 383-0382 [1] PIPE  
20B. 383-0486 [1] PLUG  
 

#M00679440074
 

386-4638: LIFTING GP-ENGINE

386-4638 LIFTING GP-ENGINE
PART OF 380-1776, 392-4127 ENGINE AR-PRIMARY
AN ATTACHMENT
i06657574 M0067944
3864638 LIFTING GP-ENGINE Parts scheme
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Parts for your 303.5E MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 383-0170 [1] BOLT  
2. 383-0346 C [1] NUT  
3. 383-0300 [2] STUD  
4. 383-0258 [1] PLATE  
5. 389-2309 [1] PLATE AS  
  6V-9632 M [1] NUT-WELD (M6X1-THD)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
 

#M00679440075
 

380-6385: MOUNTING GP-ENGINE

380-6385 MOUNTING GP-ENGINE
PART OF 376-6696, 383-5928, 495-1832 CAB AR, 377-8933, 383-5929, 495-1831, 500-0840 CANOPY AR
AN ATTACHMENT
i06613342 M0067944
3806385 MOUNTING GP-ENGINE Parts scheme
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Parts for your 303.5E MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 119-9880 M [6] BOLT (M12X1.25X30-MM)  
2. 163-6838 [4] STOP  
3. 176-8440 [2] STOP  
4. 270-2002 [4] MOUNT-RUBBER  
5. 270-2003 [4] MOUNT-RUBBER  
6. 378-2137 [1] SUPPORT AS  
7. 379-0855 [1] SUPPORT AS  
8. 5P-1076 [2] WASHER-HARD (13.5X30X4-MM THK)  
9. 7X-2550 M [4] BOLT (M12X1.75X110-MM)  
10. 8T-4223 [8] WASHER-HARD (13.5X25.5X3-MM THK)  
11. 8T-4821 [2] WASHER (13.5X40X3-MM THK)  
  M   METRIC PART
 

#M00679440076
 

380-6388: MOUNTING GP-ENGINE

380-6388 MOUNTING GP-ENGINE
PART OF 376-6692, 383-5927, 495-1833, 500-0841 CAB AR
AN ATTACHMENT
i06616587 M0067944
3806388 MOUNTING GP-ENGINE Parts scheme
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Parts for your 303.5E MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 119-9880 M [6] BOLT (M12X1.25X30-MM)  
2. 163-6838 [4] STOP  
3. 176-8440 [1] STOP  
4. 291-5214 [1] STOP  
5. 270-2002 [4] MOUNT-RUBBER  
6. 270-2003 [4] MOUNT-RUBBER  
7. 378-2137 [1] SUPPORT AS  
8. 378-2138 [1] SUPPORT AS  
9. 378-2139 [1] SUPPORT AS  
10. 5P-1076 [2] WASHER-HARD (13.5X30X4-MM THK)  
11. 7X-2550 M [4] BOLT (M12X1.75X110-MM)  
12. 8T-4223 [8] WASHER-HARD (13.5X25.5X3-MM THK)  
13. 8T-4224 [2] WASHER-HARD (8.8X16X2-MM THK)  
14. 8T-4821 [2] WASHER (13.5X40X3-MM THK)  
15. 8T-4908 M [2] BOLT (M8X1.25X25-MM)  
  M   METRIC PART
 

#M00679440077
 

386-4645: PAN GP-OIL

386-4645 PAN GP-OIL -ENGINE
PART OF 380-1776, 392-4127 ENGINE AR-PRIMARY
AN ATTACHMENT
i06657615 M0067944
3864645 PAN GP-OIL Parts scheme
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Parts for your 303.5E MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 386-6918 [1] PLUG (DRAIN, ENGINE OIL)  
2. 386-6919 [1] GASKET  
3. 395-0661 [1] PAN AS-OIL (ENGINE)  
4. 389-2308 [20] BOLT-FLANGE HEAD  
 

#M00679440078
 

386-4646: PISTON & ROD GP

386-4646 PISTON & ROD GP
PART OF 380-1776, 392-4127 ENGINE AR-PRIMARY
AN ATTACHMENT
i06657622 M0067944
3864646 PISTON & ROD GP Parts scheme
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Parts for your 303.5E MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 383-0374 [3] ROD AS  
    (EACH INCLUDES)
1A. 383-0579 [2] BOLT  
1B. 389-1607 [1] BEARING  
1C. 383-0375 [1] BEARING-CRANKSHAFT  
1D. 389-1596 [1] BEARING-CRANKSHAFT (0.20-MM US)  
1E. 389-1597 [1] BEARING-CRANKSHAFT (0.40-MM US)  
2. 383-0397 [3] PIN-PISTON  
3. 383-0479 [6] CLIP (PIN)  
4. 383-0502 [3] RING AS-PISTON  
5. 383-0528 [3] PISTON  
 

#M00679440079
 

438-4859: PLUG GP

438-4859 PLUG GP
PART OF 377-8933, 383-5929, 495-1831, 500-0840 CANOPY AR
AN ATTACHMENT
i06613349 M0067944
4384859 PLUG GP Parts scheme
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Parts for your 303.5E MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 438-4911 [2] PLUG  
 

Information:

Operation and Maintenance Manual
Engine Valve Lash - Check
303.5E CR, 304E CR, 305E CR and 305.5E CR Mini Hydraulic Excavators
Special Instruction
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Specifications
Cylinder Head
C1.7, C1.8 and C2.4 Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines
Cylinder Head Valves
C1.7, C1.8 and C2.4 Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines
Fuel Injection Nozzles
C1.7, C1.8 and C2.4 Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines
Tool Operating Manual
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
Reuse And Salvage Guidelines
Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}
Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Testing and Adjusting
Engine Valve Lash - Inspect/Adjust
C1.7, C1.8, and C2.4 Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines
Fuel Injection Nozzle - Test
C1.7, C1.8, and C2.4 Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines
Disassembly and Assembly
Inlet and Exhaust Valve Guides - Remove and Install
C1.7, C1.8 and C2.4 Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines
Lifter Group - Remove and Install
C1.7, C1.8 and C2.4 Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines
Inlet and Exhaust Valves - Remove and Install
C1.7, C1.8 and C2.4 Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines
Inlet and Exhaust Valve Springs - Remove and Install
C1.7, C1.8 and C2.4 Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines
Cylinder Head - Remove
C1.7, C1.8 and C2.4 Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines
Cylinder Head - Install
C1.7, C1.8 and C2.4 Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines
Inlet and Exhaust Valve Seat Inserts - Remove and Install
C1.7, C1.8 and C2.4 Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines

Caterpillar Parts SIS Catalog 303.5E :

386-6920 CYLINDER HEAD AS
CYLINDER BLOCK GP
386-4561 CYLINDER BLOCK GP
CYLINDER BLOCK AS
386-6914 CYLINDER BLOCK AS
CRANKSHAFT GP
386-4570 CRANKSHAFT GP
COVER GP-VALVE MECHANISM
386-4566 COVER GP-VALVE MECHANISM
COVER GP-ENGINE
367-0950 COVER GP-ENGINE
CAMSHAFT GP
386-4564 CAMSHAFT GP
BELT TENSIONER GP
380-6597 BELT TENSIONER GP
DRAIN GP-ENGINE OIL
378-2141 DRAIN GP-ENGINE OIL
FLYWHEEL GP
386-4592 FLYWHEEL GP
HOUSING GP-FRONT
383-0503 HOUSING GP-FRONT
LIFTING GP-ENGINE
386-4638 LIFTING GP-ENGINE
MOUNTING GP-ENGINE
380-6385 MOUNTING GP-ENGINE
MOUNTING GP-ENGINE
380-6388 MOUNTING GP-ENGINE
PAN GP-OIL
386-4645 PAN GP-OIL
PISTON & ROD GP
386-4646 PISTON & ROD GP