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250-1121 AIR COMPRESSOR GP FOR USE WITH @@@@@250-1115@@@@@ ALSO AN ATTACHMENT C-9 TRUCK ENGINE




BASIC ENGINE

AIR COMPRESSOR GP
 

#SEBP37380020
 

250-1121: AIR COMPRESSOR GP

250-1121 AIR COMPRESSOR GP
FOR USE WITH @@@@@250-1115@@@@@
ALSO AN ATTACHMENT
i02079282 SEBP3738
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Parts for your C-9 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 135-9819 [1] SEAL-INTEGRAL  
2. 191-6521 Y [1] AIR COMPRESSOR GP  
3. 220-1715 I [1] HOSE AS  
4. 250-1119 [1] BRACKET AS  
5. 030-7942 [1] ELBOW  
6. 030-7946 [1] ELBOW  
7. 183-3406 [2] PLUG AS  
    (EACH INCLUDES)
  6V-5049 [1] SEAL-O-RING  
  9S-4191 [1] PLUG (9/16-18-THD)  
8. 225-5222 [1] VALVE AS-PRESSURE RELIEF (AIR COMPRESSOR)  
10. 2P-8421 [1] ADAPTER-O-RING  
11. 3D-2824 [1] SEAL-O-RING  
12. 3E-4353 [2] WASHER-HARD (11X25X3-MM THK)  
13. 3J-1907 [1] SEAL-O-RING  
14. 3J-7354 [1] SEAL-O-RING  
15. 5P-8245 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
16. 6V-1820 M [2] BOLT (M10X1.5X30-MM)  
17. 6V-4248 M [2] BOLT (M10X1.5X25-MM)  
18. 6V-6609 [1] SEAL-O-RING  
19. 6V-8336 M [2] BOLT (M12X1.75X70-MM)  
20. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
22. 9S-8005 [1] PLUG (3/4-16-THD)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP37380021
 

246-9357: BELT GP-SERPENTINE

246-9357 BELT GP-SERPENTINE
S/N MTB1007-UP
FOR USE WITH @@@@@246-9356@@@@@
ALSO AN ATTACHMENT
i02077762 SEBP3738
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Parts for your C-9 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 219-7450 [1] BELT-SERPENTINE  
 

#SEBP37380022
 

215-6407: CAMSHAFT GP

215-6407 CAMSHAFT GP
i01790367 SEBP3738
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Parts for your C-9 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 107-7694 [1] PLATE-THRUST  
2. 216-8193 [1] CAMSHAFT AS  
2A. 1B-8705 [1] KEY-WOODRUFF  
2B. 224-3247 [1] GEAR (100-TEETH)  
3. 6V-3940 M [2] BOLT (M8X1.25X25-MM)  
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP37380023
 

242-0674: CAMSHAFT GP

242-0674 CAMSHAFT GP
i02021378 SEBP3738
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Parts for your C-9 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 107-7694 [1] PLATE-THRUST  
2. 242-0673 [1] CAMSHAFT AS  
2A. 1B-8705 [1] KEY-WOODRUFF  
2B. 224-3247 [1] GEAR (100-TEETH)  
3. 6V-3940 M [2] BOLT (M8X1.25X25-MM)  
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP37380024
 

202-3301: COVER GP-CYLINDER BLOCK

202-3301 COVER GP-CYLINDER BLOCK -CRANKCASE
S/N MTB1630-UP
ALSO AN ATTACHMENT
i01592478 SEBP3738
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Parts for your C-9 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 213-2411 [1] COVER  
2. 213-2410 [1] GASKET  
3. 240-0041 [1] BREATHER AS (CRANKCASE)  
4. 3E-8005 M [1] BOLT (M8X1.25X160-MM)  
5. 6V-3918 M [2] BOLT (M8X1.25X50-MM)  
6. 6V-3940 M [9] BOLT (M8X1.25X25-MM)  
7. 9F-4446 [1] SEAL-O-RING (CRANKCASE BREATHER)  
8. 9M-1974 [11] WASHER-HARD (8.8X16X2-MM THK)  
9. 5N-4185 [1] WASHER-SPECIAL  
  M   METRIC PART
 

#SEBP37380025
 

217-8983: COVER GP-CYLINDER BLOCK

217-8983 COVER GP-CYLINDER BLOCK
S/N MTB1-1630
LH
ALSO AN ATTACHMENT
i01792762 SEBP3738
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Parts for your C-9 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 213-2410 [1] GASKET  
2. 213-2411 [1] COVER  
3. 202-8687 [1] BREATHER AS (CRANKCASE)  
4. 3E-8005 M [1] BOLT (M8X1.25X160-MM)  
5. 6V-3918 M [2] BOLT (M8X1.25X50-MM)  
6. 6V-3940 M [9] BOLT (M8X1.25X25-MM)  
7. 9F-4446 [1] SEAL-O-RING  
8. 9M-1974 [11] WASHER-HARD (8.8X16X2-MM THK)  
9. 9N-0869 [1] WASHER-HARD (8.8X25.5X2-MM THK)  
  M   METRIC PART
 

#SEBP37380026
 

133-1209: COVER GP-FLYWHEEL HOUSING

133-1209 COVER GP-FLYWHEEL HOUSING
S/N MTB1007-UP
RIGHT STARTER BORE
CANNOT BE USED WITH ELECTRIC STARTING MOTORS
ALSO AN ATTACHMENT
i00500129 SEBP3738
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Parts for your C-9 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 176-2543 [3] BOLT-12 POINT HEAD (5/8-11X1.75-IN)  
2. 4D-3704 [3] WASHER-HARD (17X30X5-MM THK)  
3. 4N-1114 [1] COVER  
4. 4H-7869 [1] GASKET  
 

#SEBP37380027
 

133-1209: COVER GP-FLYWHEEL HOUSING

133-1209 COVER GP-FLYWHEEL HOUSING
RIGHT STARTER BORE
CANNOT BE USED WITH ELECTRIC STARTING MOTORS
AN ATTACHMENT
i06532624 SEBP3738
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Parts for your C-9 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 481-0119 [1] GASKET  
2. 483-0773 C [1] COVER  
3. 176-2543 [3] BOLT-12 POINT HEAD (5/8-11X1.75-IN)  
4. 4D-3704 [3] WASHER-HARD (17X30X5-MM THK)  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP37380028
 

118-1727: COVER GP-FRONT HOUSING

118-1727 COVER GP-FRONT HOUSING -ACCESSORY DRIVE
REQUIRED ON ENGINES WITHOUT FACTORY INSTALLED AIR COMPRESSOR
AN ATTACHMENT
i00480574 SEBP3738
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Parts for your C-9 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5P-8245 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
2. 6V-5696 M [2] BOLT (M12X1.75X80-MM)  
3. 4W-2026 [1] COVER  
4. 135-9819 [1] SEAL-INTEGRAL  
5. 6V-8149 M [2] NUT (M12X1.75-THD)  
  M   METRIC PART
 

#SEBP37380029
 

172-8732: COVER GP-FRONT HOUSING

172-8732 COVER GP-FRONT HOUSING
S/N MTB1000-1127
FOR USE WITH RH SERVICED ENGINES
i01118909 SEBP3738
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Parts for your C-9 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7C-1445 [1] COVER (TURNING TOOL)  
2. 061-9455 [1] SEAL-O-RING  
3. 8T-4224 [2] WASHER-HARD (8.8X16X2-MM THK)  
4. 344-5674 M [2] NUT (M8X1.25-THD)  
  M   METRIC PART
 

Information:

Truck Engine News
Operation and Maintenance Manual
Air Compressor Filter - Clean/Replace
C9 Urban Transit Bus Engine
Service Letter-NACD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
Service Letter-Australia
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
Service Letter-CFEL
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
Service Letter-CSARL
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
Service Letter-Americas
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
Service Letter-Truck/Ag/Marine
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
Specifications
Specification
BA-921 Bendix Air Compressor
Air Compressor Maintenance Procedures
BA-921 Bendix Air Compressor
Air Compressor
C9 Urban Transit Bus Engine
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
Service Letter-Asia
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
Systems Operation
Operation of the Air Compressor
BA-921 Bendix Air Compressor
Air Induction
BA-921 Bendix Air Compressor
General Information
BA-921 Bendix Air Compressor
Cooling of the Air Compressor
BA-921 Bendix Air Compressor
Lubrication of the Air Compressor
BA-921 Bendix Air Compressor
Compression of Air (Loaded)
BA-921 Bendix Air Compressor
No Compression of Air (Unloaded)
BA-921 Bendix Air Compressor
Service Letter-APD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT SUPPORT PROGRAM FOR REPLACING THE ALTERNATOR BRACKET, AIR INLET HEATER SOLENOID, OIL FILL TUBE, AND WATER TEMPERATURE REGULATOR ON CERTAIN C9 ON-HIGHWAY MASS TRANSIT BUS ENGINES
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND RETURNING CERTAIN REMAN AIR COMPRESSORS
Testing and Adjusting
Excessive Build-Up and Recover Time
BA-921 Bendix Air Compressor
Air Compressor Cycles Constantly
BA-921 Bendix Air Compressor
Air Compressor Leaks Oil
BA-921 Bendix Air Compressor
Cylinder Head Gasket Failure
BA-921 Bendix Air Compressor
Air Compressor Leaks Coolant
BA-921 Bendix Air Compressor
Air Compressor Fails to Unload
BA-921 Bendix Air Compressor
Air Compressor Governor - Test and Adjust
BA-921 Bendix Air Compressor
Discharge Valve Leakage - Test
BA-921 Bendix Air Compressor
General Troubleshooting Information
BA-921 Bendix Air Compressor
Air Compressor is Noisy
BA-921 Bendix Air Compressor
Disassembly and Assembly
Cylinder Head - Remove
BA-921 Bendix Air Compressor
Cylinder Head - Install
BA-921 Bendix Air Compressor
Air Compressor - Remove and Install
C9 Urban Transit Bus Engine
Unloader Piston - Install
BA-921 Bendix Air Compressor
Unloader Piston - Remove
BA-921 Bendix Air Compressor

Caterpillar Parts SIS Catalog C-9 :

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