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384-9438 PUMP GP-PISTON S/N LWX703-UP PART OF 347-5023 PUMP & MTG GP-IMPL & STEERING 988K WHEEL LOADER




HYDRAULIC SYSTEM

PUMP GP
 

#SEBP57561190
 

384-9438: PUMP GP-PISTON

384-9438 PUMP GP-PISTON
S/N LWX703-UP
PART OF 347-5023 PUMP & MTG GP-IMPL & STEERING
i06854000 SEBP5756
  For full view, you need register

Parts for your 988K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-4158 [4] SCREW-DRIVE (NO 4X0.25-IN)  
2. 7Y-4224 [1] ORIFICE  
3. 8J-0101 [1] PLATE-NOTICE (HYDRAULIC OIL FILL)  
4. 006-0136 [1] KEY (SQUARE)  
5. 110-2973 [2] BEARING-SPECIAL ROLLER  
6. 232-3868 C [4] WASHER-BELLEVILLE  
7. 118-5805 [1] BEARING-SPECIAL RACE  
8. 137-5646 [1] SPACER (70.4X87.5X7.6-MM THK)  
9. 357-1728 C [1] SPACER (70.4X80X2.3-MM THK)  
10. 143-2006 [1] COVER AS  
11. 143-7319 [1] RACE-ROLLER BEARING  
12. 146-8990 [1] IMPELLER  
13. 146-8991 [1] SPACER (29X38X1.57-MM THK)  
14. 148-3548 [1] BEARING-SPECIAL RACE  
15. 150-4355 [9] PISTON AS  
16. 155-2251 [1] PLATE  
17. 158-3504 [1] SPOOL-CONTROL  
18. 159-7320 [1] PLATE-RETAINER  
19. 165-6062 [2] LINK (TIMING)  
20. 175-7887 [2] DOWEL  
21. 177-1405 [1] SPRING  
22. 185-3889 [1] SHAFT  
23. 187-9116 [1] BARREL AS-PUMP  
23A. 120-7508 [9] BUSHING  
24. 191-9247 [1] WASHER (19.15X31.65X2.36-MM THK)  
25. 198-2914 [1] NUT (3/4-32-THD)  
26. 214-2445 [1] SPRING  
27. 214-6489 [1] BALL (HOLD DOWN)  
28. 250-9328 [1] COVER  
29. 251-7828 [1] PLATE-PORT  
30. 252-4537 [1] HEAD-PUMP  
31. 263-7732 [1] HOUSING AS  
  124-1555 [1] PLUG  
32. 264-0010 [1] RETAINER  
33. 267-3741 [1] ACTUATOR  
34. 267-3743 [1] BODY AS-PUMP  
  124-1555 [1] PLUG  
35. 270-7898 J [1] SPRING  
36. 277-3551 [1] PLATE-ADAPTER  
37. 291-4865 [1] COVER  
38. 308-2613 [1] BRACKET AS  
  8T-3490 M [1] NUT-WELD (M10X1.5-THD)  
39. 313-1284 [1] RETAINER AS  
  6V-3382 H [2] SEAL-LIP TYPE  
  124-1555 [1] PLUG  
40. 314-3243 [1] SWASHPLATE  
41. 316-1438 [1] CARTRIDGE AS  
  214-7568 [2] SEAL-O-RING  
42. 322-2018 [1] SLIDE-ACTUATOR  
43. 373-1585 [1] COIL AS  
  9X-1813 E SLEEVE (14-CM)  
  9X-3401 [2] PIN-CONNECTOR (16-GA TO 18-GA)  
  230-4012 [1] RECEPTACLE AS-CONNECTOR (2-PIN)  
44. 030-4605 H [1] SEAL-O-RING  
45. 096-0008 M [6] BOLT-SOCKET HEAD (M16X2X140-MM)  
46. 162-2165 M [4] BOLT-SOCKET HEAD (M4X0.7X16-MM)  
47. 189-9763 H [1] SEAL-O-RING  
48. 1P-3709 H [1] SEAL-RECTANGULAR  
50. 2R-0239 H [1] SEAL-O-RING  
51. 3C-8388 [2] PIN-ROLL  
52. 3D-4603 [1] PLUG-PIPE  
53. 3J-0634 H [1] SEAL-O-RING  
54. 3J-1907 H [3] SEAL-O-RING  
55. 3J-7354 H [1] SEAL-O-RING  
56. 4J-5309 H [3] SEAL-O-RING  
57. 5A-3604 M [3] BOLT-SOCKET HEAD (M8X1.25X25-MM)  
58. 5H-6734 H [1] SEAL-O-RING  
59. 5P-8245 [6] WASHER-HARD (13.5X25.5X3-MM THK)  
60. 6F-7061 [2] DOWEL  
61. 6J-2680 [1] SEAL-O-RING  
62. 6S-3002 H [1] SEAL-O-RING  
63. 6V-3823 M [6] BOLT (M12X1.75X60-MM)  
64. 6V-4429 M [4] BOLT (M16X2X40-MM)  
65. 6V-5215 M [3] BOLT (M8X1.25X16-MM)  
66. 6V-5684 M [6] BOLT (M12X1.75X45-MM)  
67. 178-3707 M [7] BOLT (M16X2X50-MM)  
68. 6V-8243 [1] RING-RETAINING  
69. 7F-8607 H [6] SEAL-O-RING  
70. 7M-8485 H [4] SEAL-O-RING  
71. 8T-0267 M [5] BOLT-SOCKET HEAD (M6X1X12-MM)  
72. 9M-1974 [3] WASHER-HARD (8.8X16X2-MM THK)  
73. 9S-4181 [4] PLUG (1-5/16-12-THD)  
74. 9S-4191 [3] PLUG (9/16-18-THD)  
75. 9S-8002 [1] PLUG (7/16-20-THD)  
76. 9X-8268 [7] WASHER (17.5X30X3.5-MM THK)  
77. 2A-3630 [2] PIN  
   
    AVAILABLE REPAIR KIT(S):
  185-5352 H [1] KIT-SEAL  
    (ALSO INCLUDES O-RING SEALS)
  338-1105 J [1] KIT-SPRING  
    (ALSO INCLUDES SPRING)
  C   CHANGE FROM PREVIOUS TYPE
  E   ORDER BY THE CENTIMETER
  H   KIT MARKED H SERVICES PART(S) MARKED H
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP57561191
 

443-8469: PUMP GP-PISTON

443-8469 PUMP GP-PISTON -DEMAND FAN
S/N LWX1-UP
PART OF 439-2461 PUMP & MTG GP-PISTON
Type 1
i05609041 SEBP5756
  For full view, you need register

Parts for your 988K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 180-6213 [1] RING-RETAINING  
2. 139-2840 [1] SEAL-SHAFT  
3. 6R-7943 M [2] SCREW (M5X0.8X15-MM)  
4. 168-2197 [1] SPRING  
5. 274-7452 [1] LINK-CONTROL  
6. 174-9994 [1] PISTON-CONTROL  
7. 376-0898 [1] PLATE-VALVE  
8. 351-6653 [1] PLUG-CONTROL  
9. 9W-2110 [1] CUP-TAPERED ROLLER  
10. 9W-2109 [1] CONE-BEARING  
11. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
12. 9X-8979 [1] DOWEL  
13. 192-7470 [1] SEAL-O-RING  
14. 168-2203 [1] SHIM-SHAFT (3-MM THK)  
15. 376-0900 Y [1] ROTATING GP-PUMP  
16. 168-7317 [1] SWASHPLATE  
17. 8J-0412 [1] CUP-BEARING  
18. 3P-1210 [1] CONE-BEARING  
19. 190-6507 [1] RING-STOP  
20. 223-8894 [1] SHAFT  
21. 282-0918 [1] BEARING-CRADLE  
22. 282-0919 [1] BEARING-CRADLE  
23. 9S-8006 [1] PLUG (7/8-14-THD)  
24. 2M-9780 [1] SEAL-O-RING  
25. 3J-7354 [1] SEAL-O-RING  
26. 280-7870 [1] GASKET  
27. 9S-8002 [1] PLUG (7/16-20-THD)  
28. 386-1824 [1] VALVE GP-PUMP CONTROL (DEMAND FAN)  
  8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
  9X-7680 [3] SEAL-O-RING  
  272-9660 [1] SOLENOID  
29. 168-3504 [1] SEAL  
30. 120-4394 [1] PLUG-BREAK OFF  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP57561192
 

443-8469: PUMP GP-PISTON

443-8469 PUMP GP-PISTON -DEMAND FAN
S/N LWX1-UP
PART OF 439-2461 PUMP & MTG GP-PISTON
Type 2
i07045999 SEBP5756
  For full view, you need register

Parts for your 988K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 180-6213 [1] RING-RETAINING  
2. 139-2840 [1] SEAL-SHAFT  
3. 6R-7943 M [2] SCREW (M5X0.8X15-MM)  
4. 168-2197 [1] SPRING  
5. 274-7452 [1] LINK-CONTROL  
6. 174-9994 [1] PISTON-CONTROL  
7. 376-0898 [1] PLATE-VALVE  
8. 310-7267 C [1] PLUG-CONTROL  
9. 9W-2110 [1] CUP-TAPERED ROLLER  
10. 9W-2109 [1] CONE-BEARING  
11. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
12. 9X-8979 [1] DOWEL  
13. 192-7470 [1] SEAL-O-RING  
14. 168-2203 [1] SHIM-SHAFT (3-MM THK)  
15. 376-0900 Y [1] ROTATING GP-PUMP  
16. 168-7317 [1] SWASHPLATE  
17. 8J-0412 [1] CUP-BEARING  
18. 3P-1210 [1] CONE-BEARING  
19. 190-6507 [1] RING-STOP  
20. 223-8894 [1] SHAFT  
21. 282-0918 [1] BEARING-CRADLE  
22. 282-0919 [1] BEARING-CRADLE  
23. 9S-8006 [1] PLUG (7/8-14-THD)  
24. 2M-9780 [1] SEAL-O-RING  
26. 280-7870 [1] GASKET  
28. 524-9307 C [1] VALVE AS-PUMP (DEMAND FAN)  
  8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
  280-7870 [1] GASKET  
  272-9660 [1] SOLENOID  
29. 168-3504 [1] SEAL  
30. 095-0687 CM [4] BOLT-SOCKET HEAD (M14X2X45-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP57561193
 

244-7018: ROTATING GP-MOTOR

244-7018 ROTATING GP-MOTOR
S/N LWX1-UP
PART OF 214-1099 MOTOR GP-PISTON
i02185671 SEBP5756
  For full view, you need register

Parts for your 988K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 244-7020 [1] SHAFT  
2. 9T-2560 [1] COVER AS  
3. 9T-2584 [1] RING-RETAINING (INTERNAL)  
4. 7X-1553 [1] SEAL-LIP TYPE  
5. 2H-3928 [1] SEAL-O-RING  
6. 9T-2581 B [2] SHIM (0.1-MM THK)  
7. 9T-2582 B [1] SHIM (0.3-MM THK)  
8. 9T-2558 [1] BARREL  
9. 163-0683 [1] PLATE-PORT  
10. 166-7409 [1] PIN-CENTER  
11. 166-7408 [7] PISTON AS  
    (EACH INCLUDES)
  133-8743 [1] RING  
12. 9T-2559 [1] DISC-RETAINING  
13. 141-0252 B [1] SHIM (4-MM THK)  
14. 141-0251 B [1] SHIM (3.9-MM THK)  
15. 141-0250 B [1] SHIM (3.8-MM THK)  
16. 141-0249 B [1] SHIM (3.7-MM THK)  
17. 141-0248 B [1] SHIM (3.6-MM THK)  
18. 141-0247 B [1] SHIM (3.5-MM THK)  
19. 123-3299 [1] PLATE-RETAINING  
20. 113-4417 M [7] SCREW (M6X1X16-MM)  
21. 166-7410 [1] SPRING  
22. 171-5990 [1] KIT-BEARING  
23. 8T-4241 [1] RING-RETAINING  
  B   USE AS REQUIRED
  M   METRIC PART
 

#SEBP57561194
 

327-8163: ROTATING GP-PUMP

327-8163 ROTATING GP-PUMP
S/N LWX1-UP
PART OF 325-9784 PUMP GP-PISTON
i03454141 SEBP5756
  For full view, you need register

Parts for your 988K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 168-3384 [9] PISTON AS-PUMP  
2. 168-3380 [1] BARREL-CYLINDER  
3. 279-2491 [1] PLATE-PORT  
4. 168-3385 [1] PLATE-RETRACTION  
5. 168-3378 [1] BEARING-SPHERICAL  
6. 168-3381 [1] SPRING  
7. 168-3379 [3] PIN  
8. 6V-7723 [1] RING-RETAINING  
9. 168-3382 [1] WASHER (30X42X2.7-MM THK)  
 

#SEBP57561195
 

364-8631: ROTATING GP-PUMP

364-8631 ROTATING GP-PUMP -BRAKE, HYDRAULIC FAN
S/N LWX1-UP
ECOLOGY DRAIN VALVE
PART OF 333-3788 PUMP GP-PISTON
i04380374 SEBP5756
  For full view, you need register

Parts for your 988K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 194-9480 [1] RING-RETAINING  
2. 194-9481 [1] DISC-THRUST  
3. 194-9479 [3] PIN  
4. 259-5501 [9] PISTON AS  
5. 266-7837 [1] PLATE  
6. 266-7836 [1] BARREL  
7. 295-9540 [1] RETAINER-BALL  
8. 155-9117 [1] SPRING  
 

#SEBP57561196
 

376-0900: ROTATING GP-PUMP

376-0900 ROTATING GP-PUMP
S/N LWX1-508
PART OF 325-9784, 443-8469 PUMP GP-PISTON
i05135629 SEBP5756
  For full view, you need register

Parts for your 988K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 168-3384 [9] PISTON AS-PUMP  
2. 168-3385 [1] PLATE-RETRACTION  
3. 168-3378 [1] BEARING-SPHERICAL  
4. 168-3381 [1] SPRING  
5. 168-3379 [3] PIN  
6. 6V-7723 [1] RING-RETAINING  
7. 168-3382 [1] WASHER (30X42X2.7-MM THK)  
 

#SEBP57561197
 

347-5043: TANK & MTG GP-HYDRAULIC

347-5043 TANK & MTG GP-HYDRAULIC
S/N LWX509-UP
PART OF 367-2719 CONFIGURATION AR, 347-5030 HYDRAULIC AR
i05299534 SEBP5756
  For full view, you need register

Parts for your 988K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 130-2387 [1] UNION AS  
  2S-4078 [2] SEAL-O-RING  
  377-9550 [1] UNION  
2. 157-7911 [1] BREATHER (HYDRAULIC TANK)  
3. 256-6453 [1] SENSOR-TEMPERATURE (2-PIN)(HYDRAULIC TANK OIL)  
4. 361-8247 Y [1] TANK GP-HYDRAULIC  
5. 470-5115 [1] BRACKET AS  
6. 470-5113 [1] BRACKET AS  
7. 415-4036 [1] TUBE AS  
8. 118-0166 [1] FITTING (QUICK DISCONNECT, MALE)  
9. 148-8360 [1] ELBOW AS  
  6V-9182 [1] ELBOW  
  6V-9746 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
10. 185-2245 [1] ADAPTER AS  
  6V-9746 [1] SEAL-O-RING  
  157-8510 [1] ADAPTER  
11. 3E-9411 [12] WASHER-HARD (17.5X38X6-MM THK)  
12. 3K-0360 [1] SEAL-O-RING  
13. 7X-2553 M [12] BOLT (M16X2X40-MM)  
14. 8T-1887 [1] CLIP (SLOT)  
15. 8T-1888 [1] CLIP (TAB)  
16. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
17. 8T-4136 M [1] BOLT (M10X1.5X25-MM)  
18. 8T-4956 M [10] BOLT (M12X1.75X35-MM)  
19. 8T-7971 [10] WASHER-HARD (13.5X25.5X5-MM THK)  
20. 3D-2824 [1] SEAL-O-RING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP57561198
 

470-5023: TANK & MTG GP-HYDRAULIC

470-5023 TANK & MTG GP-HYDRAULIC
S/N LWX756-UP
PART OF 347-5030 HYDRAULIC AR
i07215076 SEBP5756
  For full view, you need register

Parts for your 988K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 130-2387 [1] UNION AS  
  2S-4078 [2] SEAL-O-RING  
  377-9550 [1] UNION  
2. 157-7911 [1] BREATHER (HYDRAULIC TANK)  
3. 185-2245 [1] ADAPTER AS  
  6V-9746 [1] SEAL-O-RING  
  157-8510 [1] ADAPTER  
4. 256-6453 [1] SENSOR-TEMPERATURE (2-PIN)(HYDRAULIC OIL)  
5. 361-8247 Y [1] TANK GP-HYDRAULIC  
6. 415-4036 [1] TUBE AS  
7. 470-5115 [1] BRACKET AS  
8. 118-0166 [1] FITTING (QUICK DISCONNECT, MALE)  
9. 148-8360 [1] ELBOW AS  
  6V-9182 [1] ELBOW  
  6V-9746 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
10. 3D-2824 [1] SEAL-O-RING  
11. 3E-9411 [8] WASHER-HARD (17.5X38X6-MM THK)  
12. 3K-0360 [1] SEAL-O-RING  
13. 7X-2553 M [8] BOLT (M16X2X40-MM)  
14. 8T-1887 [1] CLIP (SLOT)  
15. 8T-1888 [1] CLIP (TAB)  
16. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
17. 8T-4136 M [1] BOLT (M10X1.5X25-MM)  
18. 8T-4956 M [5] BOLT (M12X1.75X35-MM)  
19. 8T-7971 [5] WASHER-HARD (13.5X25.5X5-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP57561199
 

361-8247: TANK GP-HYDRAULIC

361-8247 TANK GP-HYDRAULIC
S/N LWX509-UP
330-L (87.2-US GAL)
PART OF 347-5043, 470-5023 TANK & MTG GP-HYDRAULIC
i05299535 SEBP5756
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Parts for your 988K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1U-2827 [1] GUIDE-VALVE  
2. 2D-4202 [1] PLATE  
3. 4T-8698 [1] WASHER (12.2X62X3.5-MM THK)  
4. 5D-7927 [1] STRAINER AS-OIL (HYDRAULIC TANK)  
  5F-3488 [1] END-STRAINER  
5. 6E-5101 [1] PLATE  
6. 7J-2656 [1] SCREEN AS  
  7J-1682 [1] SCREEN (HYDRAULIC TANK)  
7. 8J-8782 [1] BODY-DRAIN VALVE  
8. 8J-8783 [1] VALVE-DRAIN  
9. 9J-7031 [1] PLUG-DRAIN (HYDRAULIC TANK)  
10. 9T-9227 [1] SCREEN AS  
11. 118-8693 [4] SCREEN (HYDRAULIC TANK)  
12. 245-9740 [1] GASKET  
13. 253-1702 [1] COVER  
14. 260-8636 [1] GAUGE-LIQUID LEVEL (SIGHT GLASS)  
15. 361-8248 [1] TANK AS (HYDRAULIC)  
16. 362-6772 [1] PLATE  
17. 362-6776 [1] TUBE AS  
18. 362-6778 [1] TUBE AS  
19. 371-4767 [2] PLATE  
20. 425-5405 [1] PLATE  
21. 1H-9696 [1] SEAL-O-RING  
22. 1P-4579 [4] FLANGE-HALF  
23. 1P-4582 [2] FLANGE-HALF  
24. 2J-2668 [2] COVER-FLANGE  
25. 3E-4353 [34] WASHER-HARD (11X25X3-MM THK)  
26. 4J-0524 [2] SEAL-O-RING  
27. 4J-0527 [1] SEAL-O-RING  
28. 5M-2057 [1] SEAL-O-RING  
29. 6H-9361 [1] RING-RETAINING  
30. 6V-7732 M [4] BOLT (M10X1.5X25-MM)  
31. 6V-7744 M [4] LOCKNUT (M10X1.5-THD)  
32. 7B-3039 [1] SPRING  
33. 7H-1447 [1] CAP-FILLER (HYDRAULIC TANK)  
34. 8T-2275 [1] BALL  
35. 8T-3298 [1] SEAL-RECTANGULAR  
36. 8T-4121 [38] WASHER-HARD (11X21X2.5-MM THK)  
37. 8T-4137 M [36] BOLT (M10X1.5X20-MM)  
38. 8T-4183 M [12] BOLT (M12X1.75X40-MM)  
39. 8T-4201 M [34] BOLT-LOCKING (M10X1.5X20-MM)  
40. 8T-4223 [12] WASHER-HARD (13.5X25.5X3-MM THK)  
41. 9H-6454 [1] GASKET  
  M   METRIC PART
 

Information:

Caterpillar Parts SIS Catalog 988K :

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