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553-7279 HEAD GP-PUMP S/N LKG1-UP PART OF 524-0924 PUMP GP-PISTON 349 EXCAVATOR


HYDRAULIC SYSTEM
PUMP GP
HYDRAULIC GP
LINES GP-STICK
LINES GP-BOOM

EXCAVATOR 349 EXCAVATOR LKG
 349 Excavator LKG00001-UP (MACHINE) POWERED BY C13 Engine M0101769 349 LKG   (2017)

HYDRAULIC SYSTEM

PUMP GP
COUPLING GP-PUMP
521-6377 COUPLING GP-PUMP
HEAD GP-PUMP
553-7279 HEAD GP-PUMP
HEAD GP-PUMP
553-7280 HEAD GP-PUMP
HEAD GP-PUMP
567-1715 HEAD GP-PUMP
HEAD GP-PUMP
567-1716 HEAD GP-PUMP
 

#M01017690570
 

553-7279: HEAD GP-PUMP

553-7279 HEAD GP-PUMP
S/N LKG1-UP
PART OF 524-0924 PUMP GP-PISTON
i07468615 M0101769
5537279 HEAD GP-PUMP Parts scheme
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Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 553-7280 Y [1] HEAD GP-PUMP  
2. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
3. 280-7870 [1] GASKET  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M01017690571
 

553-7280: HEAD GP-PUMP

553-7280 HEAD GP-PUMP
S/N LKG1-UP
PART OF 553-7279 HEAD GP-PUMP
i07468616 M0101769
5537280 HEAD GP-PUMP Parts scheme
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Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6E-6528 [1] SEAL  
2. 6E-6527 [1] PLUG  
3. 553-7282 [1] SPOOL  
4. 553-7281 [1] HOUSING  
5. 335-8235 [1] PLUG  
6. 553-7285 [1] SEAT  
7. 553-7290 [1] SPRING  
8. 6E-3272 [1] SEAT  
9. 553-7287 Y [1] VALVE GP-CONTROL  
10. 553-7302 [1] SOLENOID AS  
11. 553-7307 [1] GUIDE-VALVE  
12. 553-7284 [1] SPOOL  
13. 213-9242 [1] SEAL-O-RING  
14. 213-9247 [1] SEAL-O-RING  
15. 553-7301 [1] RING-BACKUP  
16. 553-7286 [1] SEAT  
17. 6E-3855 [1] SPRING  
18. 469-3316 [1] ORIFICE  
19. 213-9803 [1] PLUG-ORIFICE  
20. 553-7300 [1] SEAL-O-RING  
21. 553-7283 [1] SETSCREW  
22. 553-7298 [1] PLUG  
23. 553-7299 [1] NUT  
  Y   SEPARATE ILLUSTRATION
 

#M01017690572
 

567-1715: HEAD GP-PUMP

567-1715 HEAD GP-PUMP -AUX, BOOM-2, STICK-1, SWING, TRAVEL LH
S/N LKG1-UP
PART OF 566-8632 PUMP GP-PISTON
i07684058 M0101769
5671715 HEAD GP-PUMP Parts scheme
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Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 551-1127 [1] PISTON-PILOT  
2. 214-7568 [2] SEAL-O-RING  
3. 110-5525 [2] PLUG  
4. 551-1125 [1] SPOOL AS  
5. 551-1132 [1] SEAT-SPRING  
6. 099-2374 M [2] BOLT-SOCKET HEAD (M5X0.8X12-MM)  
7. 567-1745 [1] SPRING  
8. 543-5391 [1] VALVE GP-SOLENOID  
9. 206-9295 [2] SEAL-O-RING  
10. 541-3351 [1] RETAINER  
11. 551-1129 [1] COVER  
12. 551-1128 [1] NUT  
13. 096-2966 M [1] SETSCREW-SOCKET (M10X1.5X30-MM)  
14. 6V-5683 M [3] BOLT (M6X1X16-MM)  
15. 567-3612 [1] SEAL-O-RING  
16. 425-3985 [10] SEAL-RECTANGULAR  
17. 559-3652 [1] SEAL-SQUARE  
18. 551-1133 [1] PLUG  
19. 567-3611 [1] SEAL-O-RING  
20. 551-1126 [1] BODY AS  
21. 371-7201 [10] PLUG  
22. 096-0001 M [5] BOLT-SOCKET HEAD (M8X1.25X40-MM)  
23. 567-1744 [1] LEVER AS  
24. 5A-3604 M [1] BOLT-SOCKET HEAD (M8X1.25X25-MM)  
25. 551-1134 [1] PLUG  
  M   METRIC PART
 

#M01017690573
 

567-1716: HEAD GP-PUMP

567-1716 HEAD GP-PUMP -BOOM-1, BUCKET, STICK-2, TRAVEL
S/N LKG1-UP
PART OF 566-8632 PUMP GP-PISTON
i07684089 M0101769
5671716 HEAD GP-PUMP Parts scheme
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Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 551-1127 [1] PISTON-PILOT  
2. 214-7568 [1] SEAL-O-RING  
3. 110-5525 [1] PLUG  
4. 551-1125 [1] SPOOL AS  
5. 551-1132 [1] SEAT-SPRING  
6. 099-2374 M [2] BOLT-SOCKET HEAD (M5X0.8X12-MM)  
7. 567-1745 [1] SPRING  
8. 543-5391 [1] VALVE GP-SOLENOID  
9. 206-9295 [2] SEAL-O-RING  
10. 541-3351 [1] RETAINER  
11. 551-1129 [1] COVER  
12. 551-1128 [1] NUT  
13. 096-2966 M [1] SETSCREW-SOCKET (M10X1.5X30-MM)  
14. 6V-5683 M [3] BOLT (M6X1X16-MM)  
15. 567-3612 [1] SEAL-O-RING  
16. 425-3985 [10] SEAL-RECTANGULAR  
17. 559-3652 [1] SEAL-SQUARE  
18. 551-1133 [1] PLUG  
19. 567-3611 [1] SEAL-O-RING  
20. 551-1126 [1] BODY AS  
21. 371-7201 [10] PLUG  
22. 096-0001 M [5] BOLT-SOCKET HEAD (M8X1.25X40-MM)  
23. 567-1744 [1] LEVER AS  
24. 5A-3604 M [1] BOLT-SOCKET HEAD (M8X1.25X25-MM)  
25. 551-1134 [1] PLUG  
  M   METRIC PART
 

#M01017690574
 

522-0562: HYDRAULIC AR

522-0562 HYDRAULIC AR
S/N LKG1-UP
PART OF 522-3145 COMMON AR
i07668725 M0101769
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Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  521-9716 Y [1] LINES GP-BOOM CYLINDER  
  521-9714 Y [1] LINES GP-CONTROL (REAR)  
  Y [1] LINES GP-FRONT  
  521-9719 Y [1] LINES GP-HYDRAULIC OIL COOLER  
  521-9720 Y [1] LINES GP-PILOT (CONTROL VALVE)  
  521-9721 Y [1] LINES GP-PILOT (MAIN PUMP)  
  521-9718 Y [1] LINES GP-PUMP  
  521-9717 Y [1] LINES GP-SWING MOTOR  
  519-6868 Y [1] MOUNTING GP-MAIN CONTROL VALVE  
  522-6893 Y [1] PUMP & MTG GP-MAIN HYDRAULIC  
  488-8576 Y [1] SWIVEL & MOUNTING GP  
  Y [1] TANK & MTG GP-HYDRAULIC  
  Y   SEPARATE ILLUSTRATION
 

#M01017690575
 

343-8342: KIT-HYDRAULIC LINES

343-8342 KIT-HYDRAULIC LINES -QUICK COUPLER
S/N LKG1-UP
PART OF 569-2538, 569-2539 CONTROL AR-QUICK COUPLER
i03947529 M0101769
3438342 KIT-HYDRAULIC LINES Parts scheme
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Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4I-9521 [4] BAND-MARKER (RED, L1)  
2. 4I-9522 [4] BAND-MARKER (YELLOW, L2)  
3. 4V-0611 [8] CLAMP  
4. 4V-0612 [4] PLATE  
5. 4V-0969 [4] PLATE AS  
6. 7K-1181 [20] STRAP-CABLE  
7. 196-9994 [3] UNION AS  
    (EACH INCLUDES)
  4J-5477 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8736 [1] UNION  
8. 343-8343 I [2] HOSE AS  
9. 344-6276 I [2] HOSE AS  
10. 323-6157 [2] COUPLING AS-PERMANENT  
11. 164-5570 [5] UNION AS  
    (EACH INCLUDES)
  6V-8397 [2] SEAL-O-RING  
  6V-8730 [1] UNION (FACE SEAL)  
12. 1B-9575 [4] BOLT (5/16-18X1.56-IN)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
 

#M01017690576
 

522-3159: LINES AR-BOOM

522-3159 LINES AR-BOOM
S/N LKG1-UP
PART OF 558-2831 DISTRIBUTION AR, 565-7141, 565-7146, 565-7149, 565-7152 OPTION AR-HYDRAULIC
i07670001 M0101769
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Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  Y [1] LINES GP-BOOM CYLINDER  
  524-9402 Y [1] WIRING GP-SENSOR (PRESSURE CONTROL)  
  Y   SEPARATE ILLUSTRATION
 

#M01017690577
 

522-3160: LINES AR-BOOM

522-3160 LINES AR-BOOM -BOOM LOAD CONTROL
S/N LKG1-UP
PART OF 558-2832 DISTRIBUTION AR, 565-7143, 565-7147, 565-7153 OPTION AR-HYDRAULIC
i07669848 M0101769
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Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  521-9725 Y [1] LINES GP-BOOM CYLINDER  
  524-9403 Y [1] WIRING GP-SENSOR (BOOM LOAD CONTROL)  
  Y   SEPARATE ILLUSTRATION
 

#M01017690578
 

522-3161: LINES AR-BOOM

522-3161 LINES AR-BOOM -SMART BOOM
S/N LKG1-UP
i07677715 M0101769
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Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  521-9726 Y [1] LINES GP-BOOM CYLINDER  
  524-9403 Y [1] WIRING GP-SENSOR (BOOM LOAD CONTROL)  
  Y   SEPARATE ILLUSTRATION
 

#M01017690579
 

522-3162: LINES AR-BOOM

522-3162 LINES AR-BOOM -BOOM PRESSURE CONTROL
S/N LKG1-UP
i07678699 M0101769
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Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  521-9727 Y [1] LINES GP-BOOM CYLINDER  
  524-9402 Y [1] WIRING GP-SENSOR (PRESSURE CONTROL)  
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Installation of the <NOBR>522-6895</NOBR> Gear Pump and Mounting Gp on Certain Hydraulic Excavators {5073}
Installation of the 522-6895 Gear Pump and Mounting Gp on Certain Hydraulic Excavators {5073}
Systems Operation
Fan Hydraulic System
349 and 352 Excavator Systems
Main Hydraulic Pump
349 and 352 Excavator Systems
Pump Control (Main Hydraulic) - Main Pump Regulator
349 and 352 Excavator Systems
General Information (Main Pump System)
349 and 352 Excavator Systems
Location of Components (Main Pump System)
349 and 352 Excavator Systems
Reuse And Salvage Guidelines
Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Testing and Adjusting
Swing Speed and Overswing on Level Ground - Check
349 and 352 Excavator Systems
Swing Speed and Swing Drift on a Slope - Check
349 and 352 Excavator Systems
Main Pump (Flow) - Test - Hydraulic Power
349 and 352 Excavator Systems
Pump Control (Output Flow) - Test - One Pump Calibration (Optional Test)
349 and 352 Excavator Systems
Pump Control (Output Flow) - Adjust
349 and 352 Excavator Systems
Main Pump - Calibrate
349 and 352 Excavator Systems
Main Hydraulic Pump Air - Purge
349 and 352 Excavator Systems
Hydraulic System Air - Purge - Fan Pump
349 and 352 Excavator Systems
Hydraulic System Air - Purge - Auxiliary Pump and PTO Drive
349 and 352 Excavator Systems
Hydraulic System Air - Purge - Medium Pressure Circuit
349 and 352 Excavator Systems
Bench Test Procedures
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Disassembly and Assembly
Engine - Remove
349, 352 Hydraulic Excavator Engine Supplement

Caterpillar Parts SIS Catalog 349 :

GAUGE GP-SIGHT
347-6081 GAUGE GP-SIGHT
FILTER GP-OIL
555-6291 FILTER GP-OIL
FILTER GP-OIL
488-8581 FILTER GP-OIL
FILTER GP-OIL
289-8194 FILTER GP-OIL
DRIVE GP-SWING
544-4802 DRIVE GP-SWING
DRIVE GP-SWING
544-4801 DRIVE GP-SWING
DRIVE GP-SWING
521-3867 DRIVE GP-SWING
DRIVE GP-SWING
521-3866 DRIVE GP-SWING
HEAD GP-PUMP
553-7280 HEAD GP-PUMP
HEAD GP-PUMP
567-1715 HEAD GP-PUMP
HEAD GP-PUMP
567-1716 HEAD GP-PUMP
522-0562 HYDRAULIC AR
KIT-HYDRAULIC LINES
343-8342 KIT-HYDRAULIC LINES
522-3159 LINES AR-BOOM
522-3160 LINES AR-BOOM
522-3161 LINES AR-BOOM
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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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