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376-1108 BELT TENSIONER GP S/N 4501-UP; E7A1-UP PART OF 530-2686, 555-5560, 555-7255 ENGINE AR-PRIMARY 323


BASIC ENGINE
BELT TIGHTENER GP
BRACKET GP-ENGINE
CAMSHAFT GP
PISTON & ROD GP
VALVE MECHANISM GP
CRANKSHAFT GP
CYLINDER BLOCK GP

EXCAVATOR 323 EXCAVATOR BR9
 323 Excavator BR900001-UP (MACHINE) POWERED BY C7.1 Engine M0090815 323 BR9   (2018)

BASIC ENGINE

BELT TIGHTENER GP
BELT TENSIONER GP
376-1108 BELT TENSIONER GP
 

#M00908150020
 

376-1108: BELT TENSIONER GP

376-1108 BELT TENSIONER GP
S/N 4501-UP; E7A1-UP
PART OF 530-2686, 555-5560, 555-7255 ENGINE AR-PRIMARY
i05330735 M0090815
3761108 BELT TENSIONER GP Parts scheme
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Parts for your 323 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 369-1255 [1] TENSIONER  
 

#M00908150021
 

379-6637: BRACKET GP-MOUNTING

379-6637 BRACKET GP-MOUNTING
S/N 4501-UP; E7A1-UP
PART OF 530-2686, 555-5560, 555-7255 ENGINE AR-PRIMARY
i07158221 M0090815
3796637 BRACKET GP-MOUNTING Parts scheme
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Parts for your 323 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 101-7178 M [3] BOLT (M10X1.5X55-MM)  
2. 330-1725 [1] BRACKET AS  
2A. 161-9820 [2] PIN  
  M   METRIC PART
 

#M00908150022
 

392-0634: BRACKET GP-MOUNTING

392-0634 BRACKET GP-MOUNTING
S/N 4501-UP; E7A1-UP
PART OF 530-2686, 555-5560, 555-7255 ENGINE AR-PRIMARY
i05489718 M0090815
3920634 BRACKET GP-MOUNTING Parts scheme
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Parts for your 323 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 105-2740 M [3] BOLT (M8X1.25X40-MM)  
2. 124-3815 M [3] BOLT (M8X1.25X16-MM)  
3. 389-1995 [1] BRACKET AS  
  M   METRIC PART
 

#M00908150023
 

376-6871: CAMSHAFT GP

376-6871 CAMSHAFT GP
S/N 4501-UP; E7A1-UP
PART OF 530-2686, 555-5560, 555-7255 ENGINE AR-PRIMARY
i05496261 M0090815
3766871 CAMSHAFT GP Parts scheme
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Parts for your 323 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 278-5125 [12] TAPPET  
2. 375-2013 [1] CAMSHAFT GP  
2A. 067-6135 [1] KEY-WOODRUFF (CAMSHAFT)  
3. 319-8426 [12] PUSHROD  
 

#M00908150024
 

331-0290: CONNECTING ROD GP

331-0290 CONNECTING ROD GP
S/N 4501-UP
PART OF 369-7304 PISTON & ROD GP
i06951990 M0090815
3310290 CONNECTING ROD GP Parts scheme
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Parts for your 323 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 276-7478 [1] BUSHING  
2. 323-9312 M [2] BOLT (M10X1X50-MM)  
  M   METRIC PART
 

#M00908150025
 

389-3346: COVER GP-VALVE MECHANISM

389-3346 COVER GP-VALVE MECHANISM
S/N 4501-UP; E7A1-UP
PART OF 530-2686, 555-5560, 555-7255 ENGINE AR-PRIMARY
i07074235 M0090815
3893346 COVER GP-VALVE MECHANISM Parts scheme
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Parts for your 323 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 101-3895 M [9] BOLT (M8X1.25X35-MM)  
2. 103-5705 M [6] BOLT (M8X1.25X110-MM)  
3. 527-1637 C [1] COVER GP-VALVE MECHANISM  
3A. 195-9245 M [3] SCREW (M4X0.7X10-MM)  
3B. 527-1641 [1] SEAL  
3C. 380-9615 [1] BREATHER  
  326-7289 [1] SEAL-O-RING  
4. 566-7931 [1] GASKET  
5. 383-1388 [1] COVER-BASE  
6. 6I-0217 M [14] BOLT (M8X1.25X20-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
 

#M00908150026
 

374-6300: CRANKSHAFT GP

374-6300 CRANKSHAFT GP
S/N 4501-UP; E7A1-UP
PART OF 451-1222 CYLINDER BLOCK GP-SHORT, 530-2686, 555-5560, 555-7255 ENGINE AR-PRIMARY
i06984552 M0090815
3746300 CRANKSHAFT GP Parts scheme
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Parts for your 323 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 067-6135 [1] KEY-WOODRUFF  
2. 276-7391 [1] GEAR (34-TEETH)  
3. 276-7394 M [3] SCREW (M6X1XX12-MM)  
4. 339-8780 [1] DOWEL  
5. 363-0559 J [2] WASHER-THRUST  
6. 376-4074 [1] CRANKSHAFT  
7. 376-4078 [1] DISC-TIMING  
8. CP [7] BEARING-CRANKSHAFT (STANDARD-UPPER)  
9. CP [7] BEARING-CRANKSHAFT (STANDARD-LOWER)  
   
    AVAILABLE REPAIR KIT(S):
  448-4217 P [1] KIT-BEARING (STANDARD)  
    (INCLUDES BEARINGS)
  448-4218 AB KIT-BEARING (0.254-MM US)  
    (INCLUDES BEARINGS)
  448-4220 AB KIT-BEARING (0.508-MM US)  
    (INCLUDES BEARINGS)
  448-4222 AB KIT-BEARING (0.762-MM US)  
    (INCLUDES BEARINGS)
  364-5145 J [1] KIT-WASHER (STANDARD)  
    (INCLUDES WASHERS)
  448-4227 AB KIT-WASHER (0.20-MM US)  
    (INCLUDES WASHERS)
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  P   KIT MARKED P SERVICES PART(S) MARKED P
 

#M00908150027
 

383-3581: CYLINDER BLOCK AS

383-3581 CYLINDER BLOCK AS
S/N 4501-UP; E7A1-UP
PART OF 390-0854 CYLINDER BLOCK GP
i05342073 M0090815
3833581 CYLINDER BLOCK AS Parts scheme
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Parts for your 323 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 232-7597 [2] PLUG  
2. 276-5602 [2] PLUG-CORE  
3. 232-7596 [1] PLUG  
4. 067-6043 [7] PLUG-SIDE  
5. 067-6823 [1] PLUG  
6. 185-0884 [2] DOWEL  
7. 225-8858 [2] PLUG  
8. 232-7599 [2] PLUG  
9. 276-5600 [14] BOLT-SPECIAL (BEARING CAP)  
10. 331-6835 [2] PLUG-SEAL  
   
  370-6545 F [1] BUSHING-CAMSHAFT  
  F   NOT SHOWN
 

#M00908150028
 

390-0854: CYLINDER BLOCK GP

390-0854 CYLINDER BLOCK GP
S/N 4501-UP; E7A1-UP
PART OF 451-1222 CYLINDER BLOCK GP-SHORT, 530-2686, 555-5560, 555-7255 ENGINE AR-PRIMARY
i05331623 M0090815
3900854 CYLINDER BLOCK GP Parts scheme
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Parts for your 323 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 276-5603 [1] SEAL-O-RING  
2. 383-3581 Y [1] CYLINDER BLOCK AS  
3. 209-9219 M [10] BOLT (M8X1.25X16-MM)  
4. 232-7449 [1] HOUSING AS  
5. 232-1322 [1] PLUG  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00908150029
 

451-1222: CYLINDER BLOCK GP-SHORT

451-1222 CYLINDER BLOCK GP-SHORT
S/N 4501-UP
FIELD REPLACEMENT FOR @@@@@530-2686@@@@@, @@@@@555-7255@@@@@
i05856609 M0090815
4511222 CYLINDER BLOCK GP-SHORT Parts scheme
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Parts for your 323 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 369-7304 Y [1] PISTON & ROD GP  
2. 371-2478 Y [1] JET GP-PISTON COOLING  
3. 374-6300 Y [1] CRANKSHAFT GP  
4. 451-8317 [1] PAN GP-OIL  
4A. 8T-0269 M [2] BOLT-SOCKET HEAD (M6X1X20-MM)  
4B. 230-8094 [1] BRIDGE  
5. 390-0854 Y [1] CYLINDER BLOCK GP  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Disassembly and Assembly
Alternator Belt - Remove and Install
C7.1 Engines
Idler Pulley - Remove and Install - Flat Idler Pulley
C7.1 Engines
Idler Pulley - Remove and Install - Grooved Idler Pulley
C7.1 Engines
Vibration Damper and Pulley - Install
C7.1 Engines
Vibration Damper and Pulley - Remove
C7.1 Engines
Belt Tensioner - Remove and Install
C7.1 Engines

Caterpillar Parts SIS Catalog 323 :

558-7709 INSTALLATION AR-ENGINE
558-1933 INSTALLATION AR-ENGINE
511-4775 INSTALLATION AR-ENGINE
490-4811 INSTALLATION AR-ENGINE
559-2588 ENGINE AR-PRIMARY
555-7255 ENGINE AR-PRIMARY
555-5560 ENGINE AR-PRIMARY
542-5532 ENGINE AR-PRIMARY
BRACKET GP-MOUNTING
379-6637 BRACKET GP-MOUNTING
BRACKET GP-MOUNTING
392-0634 BRACKET GP-MOUNTING
CAMSHAFT GP
376-6871 CAMSHAFT GP
CONNECTING ROD GP
331-0290 CONNECTING ROD GP
COVER GP-VALVE MECHANISM
389-3346 COVER GP-VALVE MECHANISM
CRANKSHAFT GP
374-6300 CRANKSHAFT GP
CYLINDER BLOCK AS
383-3581 CYLINDER BLOCK AS
CYLINDER BLOCK GP
390-0854 CYLINDER BLOCK GP
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The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
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