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378-0594 PAN GP-OIL S/N 4501-UP; E7A1-UP WITHOUT OIL LEVEL SENSOR PART OF 502-0264, 555-5560, 555-7255 ENGINE AR-PRIMARY 320


BASIC ENGINE
PAN GP-OIL
PISTON & ROD GP
CYLINDER BLOCK GP
PAN GP-OIL
PULLEY GP
VALVE MECHANISM GP
LUBRICATION SYSTEM
FILLER GP-ENGINE OIL
FILTER GP-ENGINE OIL


BASIC ENGINE

PAN GP-OIL
 

#M00852750070
 

378-0594: PAN GP-OIL

378-0594 PAN GP-OIL
S/N 4501-UP; E7A1-UP
WITHOUT OIL LEVEL SENSOR
PART OF 502-0264, 555-5560, 555-7255 ENGINE AR-PRIMARY
i05938595 M0085275
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Parts for your 320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-0269 M [2] BOLT-SOCKET HEAD (M6X1X20-MM)  
2. 6I-0654 M [1] BOLT (M10X1.5X25-MM)  
3. 230-8094 [1] BRIDGE  
4. 351-4749 [1] GASKET-OIL PAN  
5. 539-7274 [1] PAN GP-OIL  
5A. 8L-2786 [2] SEAL-O-RING  
5B. 9S-4185 [2] PLUG (3/4-16-THD)  
6. 6I-0217 M [28] BOLT (M8X1.25X20-MM)  
7. 6I-0260 M [2] BOLT (M8X1.25X25-MM)  
8. 6I-0572 M [3] BOLT (M8X1.25X20-MM)  
9. 275-9897 [1] BRACKET  
10. 285-2991 [1] TUBE AS-OIL SUCTION  
  236-5511 [1] CLIP-PIPE  
11. 6I-4681 [1] GASKET  
  M   METRIC PART
 

#M00852750071
 

374-6301: PISTON & ROD GP

374-6301 PISTON & ROD GP
S/N E7A1-UP
PART OF 502-0264, 555-5560 ENGINE AR-PRIMARY
i05496051 M0085275
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Parts for your 320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 331-0290 [6] CONNECTING ROD GP  
    (EACH INCLUDES)
1A. 276-7478 [1] BUSHING  
1B. 323-9312 M [2] BOLT (M10X1X50-MM)  
2. 450-5996 J [6] PISTON GP  
  391-3732 AB PISTON GP (0.5-MM OS)  
  391-3735 AB PISTON GP (1-MM OS)  
3. 317-5482 P [6] BEARING  
4. P [6] BEARING (LOWER)  
5. 124-3536 J [12] RING-RETAINING  
   
    AVAILABLE REPAIR KIT(S):
  276-7476 BC [1] KIT-PISTON RING (STANDARD)  
    (INCLUDES RINGS)
  380-2065 AB KIT-PISTON RING (0.5-MM OS)  
    (INCLUDES RINGS)
  466-4849 AB KIT-PISTON RING (1-MM OS)  
    (INCLUDES RINGS)
  436-7781 P [1] KIT-BEARING (CONNECTING ROD)(STANDARD)  
    (INCLUDES BEARINGS)
  480-4489 AB KIT-BEARING (0.254-MM US)  
    (INCLUDES BEARINGS)
  480-4490 AB KIT-BEARING (0.51-MM US)  
    (INCLUDES BEARINGS)
  480-4491 AB KIT-BEARING (0.762-MM US)  
    (INCLUDES BEARINGS)
  444-2190 J [1] KIT-PISTON  
    (INCLUDES PIN, PISTON RINGS, RETAINING RINGS & PISTON)
  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
 

#M00852750072
 

486-3208: PISTON & ROD GP

486-3208 PISTON & ROD GP
S/N 4501-UP
PART OF 555-7255 ENGINE AR-PRIMARY
i07473405 M0085275
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Parts for your 320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 124-3536 L [12] RING-RETAINING  
2. 317-5482 J [6] BEARING  
3. 331-0290 [6] CONNECTING ROD GP  
    (EACH INCLUDES)
3A. 276-7478 [1] BUSHING  
3B. 323-9312 M [2] BOLT (M10X1X50-MM)  
4. 473-1373 L [6] PISTON GP  
  391-3732 AB PISTON GP (0.5-MM OS)  
  391-3735 AB PISTON GP (1-MM OS)  
5. CT [6] BEARING  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
   
    AVAILABLE REPAIR KIT(S):
  360-1564 J [1] KIT-BEARING (CONNECTING ROD)  
    (INCLUDES BEARINGS)
  458-7918 AB KIT-BEARING (0.25-MM US)  
    (INCLUDES BEARINGS)
  458-7939 AB KIT-BEARING (0.50-MM US)  
    (INCLUDES BEARINGS)
  458-7940 AB KIT-BEARING (0.75-MM US)  
    (INCLUDES BEARINGS)
  436-7781 T [1] KIT-BEARING (CONNECTING ROD)  
    (INCLUDES BEARINGS)
  480-4489 AB KIT-BEARING (0.254-MM US)  
    (INCLUDES BEARINGS)
  480-4490 AB KIT-BEARING (0.51-MM US)  
    (INCLUDES BEARINGS)
  480-4491 AB KIT-BEARING (0.762-MM US)  
    (INCLUDES BEARINGS)
  443-9543 L [1] KIT-RING (STANDARD)  
    (INCLUDES PISTON RINGS)
  380-2065 AB KIT-PISTON RING (0.5-MM OS)  
    (INCLUDES PISTON RINGS)
  466-4849 AB KIT-PISTON RING (1-MM OS)  
    (INCLUDES PISTON RINGS)
  444-2190 L [1] KIT-PISTON  
    (INCLUDES PISTON RINGS, RETAINING RINGS, PISTON & PIN)
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
  L   KIT MARKED L SERVICES PART(S) MARKED L
  M   METRIC PART
  T   KIT MARKED T SERVICES PART(S) MARKED T
 

#M00852750073
 

374-9295: PLUG GP-CYLINDER BLOCK

374-9295 PLUG GP-CYLINDER BLOCK
S/N 4501-UP; E7A1-UP
PART OF 502-0264, 555-5560, 555-7255 ENGINE AR-PRIMARY
i05498263 M0085275
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Parts for your 320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 277-4223 [1] PLUG  
 

#M00852750074
 

458-9768: PLUG GP-OIL PAN

458-9768 PLUG GP-OIL PAN
S/N 4501-UP; E7A1-UP
PART OF 502-0264, 555-5560, 555-7255 ENGINE AR-PRIMARY
i07114051 M0085275
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Parts for your 320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 354-8322 [2] PLUG  
 

#M00852750075
 

371-2554: PULLEY GP-CRANKSHAFT

371-2554 PULLEY GP-CRANKSHAFT
S/N 4501-UP; E7A1-UP
PART OF 502-0264, 555-5560, 555-7255 ENGINE AR-PRIMARY
i05938616 M0085275
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Parts for your 320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 274-1931 [1] PULLEY (8-GROOVE)  
2. 342-6502 [1] ADAPTER  
3. 342-6510 M [3] BOLT-TORX (M14X1.5X70-MM)  
4. 351-1724 [1] DAMPER  
  M   METRIC PART
 

#M00852750076
 

280-1911: ROCKER ARM GP

280-1911 ROCKER ARM GP
S/N 4501-UP; E7A1-UP
PART OF 371-2480 ROCKER ARM GP
i04526450 M0085275
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Parts for your 320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 276-9201 [1] CLIP  
2. 276-9206 [5] SPRING-SHAFT  
3. 276-9207 [1] SPRING-SHAFT  
4. 277-5307 [1] SHAFT AS-ROCKER ARM  
4A. 276-9200 [1] PLUG-SHAFT END  
5. 278-5111 [6] ROCKER ARM AS  
    (EACH INCLUDES)
5A. 276-9230 [1] NUT  
5B. 278-5113 [1] SCREW-ADJUSTING (TORX)  
6. 278-5112 [6] ROCKER ARM AS  
    (EACH INCLUDES)
6A. 276-9230 [1] NUT  
6B. 278-5113 [1] SCREW-ADJUSTING (TORX)  
7. 280-1912 [6] BRACKET  
8. 280-1913 [6] RETAINER  
9. 280-1914 [12] BOLT (M8X1.25X55-MM)  
 

#M00852750077
 

371-2480: ROCKER ARM GP

371-2480 ROCKER ARM GP
S/N 4501-UP; E7A1-UP
PART OF 502-0264, 555-5560, 555-7255 ENGINE AR-PRIMARY
i05495980 M0085275
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Parts for your 320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 436-0521 [24] SPRING-VALVE  
2. 346-4709 [12] BRIDGE GP-VALVE  
3. 276-8123 [48] COTTER-CAP  
4. 276-8133 [24] CAP-VALVE  
5. 280-1911 Y [1] ROCKER ARM GP  
6. 299-5511 [24] SEAL-VALVE STEM  
7. 309-6678 [12] VALVE-INLET  
8. 339-9637 [12] VALVE-EXHAUST  
  Y   SEPARATE ILLUSTRATION
 

#M00852750078
 

503-8040: FILLER GP-ENGINE OIL

503-8040 FILLER GP-ENGINE OIL
S/N 4501-UP; E7A1-UP
PART OF 502-0264, 555-5560, 555-7255 ENGINE AR-PRIMARY
i07114078 M0085275
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Parts for your 320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 225-6522 [1] PLUG-CUP  
2. 225-6524 [1] PLUG-CUP  
3. 234-6171 [1] SEAL-O-RING  
4. 562-7686 [1] FILLER-OIL  
5. 6I-0260 M [2] BOLT (M8X1.25X25-MM)  
  M   METRIC PART
 

#M00852750079
 

490-4821: FILTER & MTG GP-ENGINE OIL

490-4821 FILTER & MTG GP-ENGINE OIL
S/N ZBN1-UP
PART OF 490-4811, 558-1933 INSTALLATION AR-ENGINE
i07103207 M0085275
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Parts for your 320 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-4192 M [2] BOLT (M12X1.75X25-MM)  
2. 8T-4223 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
3. 141-6518 [2] SPACER (13.5X30X10-MM THK)  
4. 309-5133 [1] PLUG AS  
  9S-4181 [1] PLUG (1-5/16-12-THD)  
  238-5084 [1] SEAL-O-RING  
5. 309-5137 [1] CONNECTOR AS  
  6V-8635 [1] CONNECTOR  
  228-7093 [1] SEAL-O-RING  
  238-5084 [1] SEAL-O-RING  
6. 319-6212 [1] CONNECTOR AS  
  6V-8714 [1] CONNECTOR  
  228-7093 [1] SEAL-O-RING  
  238-5082 [1] SEAL-O-RING  
7. 319-6220 [1] ELBOW AS  
  6V-9008 [1] ELBOW  
  228-7093 [1] SEAL-O-RING  
  238-5084 [1] SEAL-O-RING  
8. 322-3154 Y [1] FILTER GP-ENGINE OIL  
9. 346-3229 [1] BASE AS-FILTER  
  232-7599 [1] PLUG  
10. 377-9576 [1] CONNECTOR AS  
  8T-6453 [1] CONNECTOR  
  228-7093 [1] SEAL-O-RING  
  238-5083 [1] SEAL-O-RING  
11. 451-2182 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
12. 453-3448 M [2] BOLT (M12X1.75X45-MM)  
13. 453-3451 [4] WASHER-HARD (8.8X16X2-MM THK)  
14. 477-9886 [1] CLIP (LOOP)  
15. 524-4347 [1] PLATE AS  
16. 524-4349 I [1] HOSE AS  
17. 524-4350 I [1] HOSE AS  
18. 533-2365 [1] PLATE AS  
  7Y-6215 [1] PLATE  
  8T-3612 M [4] NUT-WELD (M8X1.25-THD)  
19. 309-5130 [1] PLUG AS  
  9S-4182 [1] PLUG (7/16-20-THD)  
  214-7566 [1] SEAL-O-RING  
20. 321-8649 [1] VALVE AS-FLUID SAMPLING  
  8C-3446 [1] VALVE-SAMPLING  
  214-7566 [1] SEAL-O-RING  
21. 8C-3445 [1] CAP-DUST  
22. 8T-4197 M [4] BOLT (M8X1.25X40-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Disassembly and Assembly

Caterpillar Parts SIS Catalog 320 :

Truck sale:

USD $6,500 
CAT 3204

JJ Rebuilders
Medley, Florida
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