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6E-1129 VALVE GP-RELIEF -HYDRAULIC OIL COOLER BYPASS S/N 50W10281-99999 DIRECT OPERATED PART OF 4E-0116 LINES GP-HYDRAULIC OIL COOLER 988B


COOLING SYSTEM
VALVE GP-RELIEF
AIR INLET AND EXHAUST SYSTEM
AFTERCOOLER GP
AIR CLEANER GP
TURBOCHARGER GP
AIR CLEANER GP
EXHAUST GP

WHEEL LOADER 988B WHEEL LOADER 50W
 988B Wheel Loader 50W06041-UP (MACHINE) POWERED BY 3408 Engine SEBP1388 988B 50W   (1976)

COOLING SYSTEM

VALVE GP-RELIEF
VALVE GP-RELIEF
6E-1129 VALVE GP-RELIEF
VALVE GP-RELIEF
8P-1471 VALVE GP-RELIEF
 

#SEBP13880170
 

6E-1129: VALVE GP-RELIEF

6E-1129 VALVE GP-RELIEF -HYDRAULIC OIL COOLER BYPASS
S/N 50W10281-99999
DIRECT OPERATED
PART OF 4E-0116 LINES GP-HYDRAULIC OIL COOLER
i00169246 SEBP1388
6E1129 VALVE GP-RELIEF Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] BODY-CHECK VALVE  
2. 9J-4751 [1] SPRING  
3. 1U-1576 [1] PLUG AS  
4. 7M-8485 [1] SEAL-O-RING  
5. 9J-3517 [1] VALVE  
 

#SEBP13880171
 

8P-1471: VALVE GP-RELIEF

8P-1471 VALVE GP-RELIEF
S/N 50W6041-99999
PART OF 1V-4952 LINES GP-TORQUE CONV COOLER
i00089720 SEBP1388
8P1471 VALVE GP-RELIEF Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-8004 [2] PLUG (9/16-18-THD)  
  3J-1907 [2] SEAL-O-RING  
2. 2P-4538 [1] SPOOL AS-RELIEF  
3. 8M-2537 [1] RETAINER  
4. 1L-3162 [1] RING-RETAINING  
5. 5M-9548 [1] SPRING  
6. 9M-4313 [1] POPPET  
7. 8M-4986 [2] SEAL-O-RING  
8. 0S-1594 [4] BOLT (3/8-16X1-IN)  
  3B-4506 [4] LOCKWASHER  
9. 4M-8239 [2] COVER  
10. 8M-8627 [1] SPRING  
11. 5M-9622 B [2] SHIM (1.6-MM THK)  
  5M-9623 B [3] SHIM (0.9-MM THK)  
  5M-9624 B [1] SHIM (0.25-MM THK)  
12. 141-1546 [1] PLUG-PIPE  
13. 7W-6534 [1] PLUG-PIPE  
  B   USE AS REQUIRED
 

#SEBP13880172
 

126-7290: AFTERCOOLER GP-WATER

126-7290 AFTERCOOLER GP-WATER
S/N 48W14354-UP
PART OF 225-0399 ENGINE AR
i00093600 SEBP1388
1267290 AFTERCOOLER GP-WATER Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0L-1143 [2] BOLT (3/8-16X2.5-IN)  
2. 5M-2894 [24] WASHER-HARD (10.2X18.5X2.5-MM THK)  
3. 4N-5831 [1] HOUSING  
4. 0S-1571 [14] BOLT (3/8-16X1.75-IN)  
5. 8T-6762 [3] PLUG-PIPE (1/2-14-THD)  
6. 8N-1000 [1] COVER  
7. 8T-6765 [1] PLUG-PIPE (1/4-18-THD)  
8. 0S-1590 [2] BOLT (3/8-16X2-IN)  
9. 2W-6686 [2] ADAPTER  
10. 2W-6587 [1] CORE AS-AFTERCOOLER  
11. 4N-5788 [2] ADAPTER  
12. 112-8186 [2] SEAL-O-RING  
13. 4N-1848 [1] GASKET  
14. 109-0076 [4] SEAL-O-RING  
15. 4N-5795 [1] GASKET  
16. 1B-7182 [7] BOLT (5/16-18X1.25-IN)  
17. 9M-1974 [8] WASHER-HARD (8.8X16X2-MM THK)  
18. 0T-0065 [4] BOLT (3/8-16X3.5-IN)  
19. 0T-0573 [4] BOLT (3/8-16X2.75-IN)  
20. 0S-1617 [1] BOLT (5/16-18X0.75-IN)  
 

#SEBP13880173
 

4N-6849: AIR CLEANER GP

4N-6849 AIR CLEANER GP
S/N 50W6041-8176; 50W8185-8224
PART OF 8N-1844 CONFIGURATION AR
i00194269 SEBP1388
4N6849 AIR CLEANER GP Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-5974 CY [1] PRECLEANER GP  
2. 1P-7330 [1] AIR CLEANER AS  
3. 8N-5313 C [1] FILTER ELEMENT AS-AIR (PRIMARY)  
4. 1P-8482 [1] FILTER ELEMENT AS-AIR (SECONDARY)  
5. 1P-8481 [1] CUP AS-AIR CLEANER  
6. 6N-7692 [1] GASKET  
7. 9M-3695 [2] ROD AS  
8. 2K-4973 [10] LOCKNUT (3/8-16-THD)  
9. 1P-9390 [1] GASKET-OUTLET  
10. 1T-0822 [2] BOLT-12 POINT HEAD (3/8-16X0.75-IN)  
11. 5M-2894 C [2] WASHER-HARD (10.2X18.5X2.5-MM THK)  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP13880174
 

6I-2589: AIR CLEANER GP

6I-2589 AIR CLEANER GP
S/N 50W8177-UP
PART OF 7W-8443 AIR CLEANER GP
i00169265 SEBP1388
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6I-4465 [1] COVER AS-AIR CLEANER  
  6I-2505 [1] FILTER ELEMENT AS-AIR (PRIMARY)  
  6I-2506 [1] FILTER ELEMENT AS-AIR (SECONDARY)  
 

#SEBP13880175
 

7W-8443: AIR CLEANER GP

7W-8443 AIR CLEANER GP
S/N 50W8177-8184; 50W8225-99999
PART OF 8N-1844 CONFIGURATION AR
i00166724 SEBP1388
7W8443 AIR CLEANER GP Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7W-8444 [1] PRECLEANER AS  
1A. 0S-1591 [2] BOLT (3/8-16X1.5-IN)  
1B. 6V-8801 [2] NUT (3/8-16-THD)  
1C. 7S-3687 [1] HOOD AS  
2. 1T-0822 [2] BOLT-12 POINT HEAD (3/8-16X0.75-IN)  
3. 2K-4973 [10] LOCKNUT (3/8-16-THD)  
4. 6I-2589 Y [1] AIR CLEANER GP  
5. 1P-9390 [1] GASKET-OUTLET  
6. 8T-4896 [12] WASHER-HARD (10.2X18.5X2.5-MM THK)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP13880176
 

4N-7601: CARTRIDGE GP-TURBOCHARGER

4N-7601 CARTRIDGE GP-TURBOCHARGER
S/N 48W14354-99999
PART OF 1W-1809 TURBOCHARGER GP
i00107937 SEBP1388
4N7601 CARTRIDGE GP-TURBOCHARGER Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-0239 [1] NUT-TURBOCHARGER COMPRESSOR  
2. 4N-7598 [1] SLEEVE-FLINGER  
3. 5S-4556 [1] INSERT  
4. 5S-4546 [1] RING-RETAINING  
5. 5P-5757 J [1] SEAL-O-RING  
6. 4N-7597 [1] BEARING AS  
7. 5S-4557 [2] BEARING  
8. 4N-7596 [1] PLATE-BACKING  
9. 7N-2856 J [1] RING-SEAL  
10. 4N-7594 [1] WHEEL AS  
11. 4M-6983 J [4] RING-RETAINING  
12. 5S-4547 [1] SLEEVE-SPACER  
13. 4N-7609 [2] RING-THRUST  
14. 5S-4549 [1] DEFLECTOR-OIL  
15. 4N-8124 [1] HOUSING AS-BEARING  
  5S-5199 [1] PIN-GROOVED  
  7W-2373 [1] BUSHING-TERMINAL  
16. 7N-7723 [1] WHEEL-COMPRESSOR  
17. 4M-8013 J [1] RING-PISTON  
   
   
    AVAILABLE REPAIR KIT(S):
  2W-0727 CJ [1] KIT-CARTRIDGE (TURBOCHARGER)  
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J INCLUDE PARTS MARKED J
 

#SEBP13880177
 

4N-2436: DUST EJECTOR GP

4N-2436 DUST EJECTOR GP
S/N 50W6041-8176
PART OF 8N-1844 CONFIGURATION AR
i01043838 SEBP1388
4N2436 DUST EJECTOR GP Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 034-0295 [1] HOSE-RADIATOR  
2. 5P-0597 [2] CLAMP-HOSE  
3. 6N-1519 [1] TUBE AS-EJECTOR  
4. 1B-5355 [2] NUT-FULL (3/8-16-THD)  
5. 9S-1572 [1] ADAPTER  
 

#SEBP13880178
 

4N-2436: DUST EJECTOR GP

4N-2436 DUST EJECTOR GP
S/N 50W8177-99999
PART OF 8N-1844 CONFIGURATION AR
i00166654 SEBP1388
4N2436 DUST EJECTOR GP Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5P-0597 [2] CLAMP-HOSE  
2. 126-7523 C [1] HOSE  
3. 5P-4325 [1] CLIP  
4. 6V-8801 [1] NUT (3/8-16-THD)  
  8T-4896 [1] WASHER-HARD (10.2X18.5X2.5-MM THK)  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP13880179
 

4N-2434: EXTENSION GP-EXHAUST

4N-2434 EXTENSION GP-EXHAUST
S/N 50W6041-99999
PART OF 8N-1844 CONFIGURATION AR
i00166653 SEBP1388
4N2434 EXTENSION GP-EXHAUST Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3R-5327 [1] PIPE-EXTENSION  
2. 0S-1587 [1] BOLT (1/2-13X1.75-IN)  
  1B-5357 [1] NUT-FULL (1/2-13-THD)  
3. 8S-1460 [1] CLAMP  
 

Information:

Caterpillar Parts SIS Catalog 988B :

RADIATOR GP
9Y-8933 RADIATOR GP
RADIATOR GP
9Y-8932 RADIATOR GP
RADIATOR GP
8N-6108 RADIATOR GP
RADIATOR GP
8N-5542 RADIATOR GP
RADIATOR GP
2W-8626 RADIATOR GP
RADIATOR GP
2W-8521 RADIATOR GP
RADIATOR GP
2W-8521 RADIATOR GP
PUMP GP-WATER
4N-7498 PUMP GP-WATER
VALVE GP-RELIEF
8P-1471 VALVE GP-RELIEF
AFTERCOOLER GP-WATER
126-7290 AFTERCOOLER GP-WATER
AIR CLEANER GP
4N-6849 AIR CLEANER GP
6I-2589 AIR CLEANER GP
AIR CLEANER GP
7W-8443 AIR CLEANER GP
CARTRIDGE GP-TURBOCHARGER
4N-7601 CARTRIDGE GP-TURBOCHARGER
DUST EJECTOR GP
4N-2436 DUST EJECTOR GP
DUST EJECTOR GP
4N-2436 DUST EJECTOR GP

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