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295-4775 PUMP GP-UNIT INJECTOR HYD S/N 4ZF10454-25615; SAN565-UP PART OF 165-4450 PUMP GP-UNIT INJECTOR HYD 973C




FUEL SYSTEM

PUMP GP-FUEL INJECTION
 

#SEBP32440140
 

295-4775: PUMP GP-UNIT INJECTOR HYD

295-4775 PUMP GP-UNIT INJECTOR HYD
S/N 4ZF10454-25615; SAN565-UP
PART OF 165-4450 PUMP GP-UNIT INJECTOR HYD
i02686832 SEBP3244
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Parts for your 973C TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 178-2357 [1] PUMP GP-FUEL TRANSFER  
  179-8128 [1] SEAL-O-RING  
  227-5904 [1] SEAL-O-RING  
  239-2402 [2] SEAL-O-RING  
  256-0302 [1] BOLT (M8X1.25X130-MM)  
2. 179-8128 [1] SEAL-O-RING (FUEL TRANSFER PUMP)  
 

#SEBP32440141
 

304-0675: PUMP GP-UNIT INJECTOR HYD

304-0675 PUMP GP-UNIT INJECTOR HYD
S/N 4ZF25616-25708; SAN565-UP
PART OF 165-4450 PUMP GP-UNIT INJECTOR HYD
i05194079 SEBP3244
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Parts for your 973C TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 178-2357 [1] PUMP GP-FUEL TRANSFER  
  5P-7814 [1] SEAL-O-RING  
  7S-5005 [1] DOWEL  
  8C-3079 [2] SEAL-O-RING  
2. 179-8128 [1] SEAL-O-RING (FUEL TRANSFER PUMP)  
 

#SEBP32440142
 

312-0675: PUMP GP-UNIT INJECTOR HYD

312-0675 PUMP GP-UNIT INJECTOR HYD
S/N 4ZF25709-25734; SAN565-UP
PART OF 165-4450 PUMP GP-UNIT INJECTOR HYD
i05195237 SEBP3244
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Parts for your 973C TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 153-7036 [1] SPOOL  
2. 166-8636 M [3] BOLT-SOCKET HEAD (M5X0.8X18-MM)  
3. 178-2357 [1] PUMP GP-FUEL TRANSFER  
  179-8128 [1] SEAL-O-RING  
  227-5904 [1] SEAL-O-RING  
  239-2402 [2] SEAL-O-RING  
  256-0302 [1] BOLT (M8X1.25X130-MM)  
  185-3241 B [1] SEAL-O-RING  
4. 179-8128 [1] SEAL-O-RING  
5. 228-5897 M [4] BOLT-TORX (M8X1.25X136.7-MM)  
6. 239-2402 [4] SEAL-O-RING  
7. 1F-7960 [1] WASHER (13.5X32X6-MM THK)  
8. 1N-8062 [1] BEARING AS-NEEDLE  
9. 5C-2890 M [1] NUT (M6X1-THD)  
10. 8C-6711 [1] NUT-RETAINER (1/2-20-THD)  
11. 9X-8256 [1] WASHER (6.6X12X2-MM THK)  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
  B   USE AS REQUIRED
  M   METRIC PART
 

#SEBP32440143
 

319-0675: PUMP GP-UNIT INJECTOR HYD

319-0675 PUMP GP-UNIT INJECTOR HYD
S/N 4ZF25735-UP; SAN565-UP
PART OF 165-4450 PUMP GP-UNIT INJECTOR HYD
i04899237 SEBP3244
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Parts for your 973C TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 313-4620 M [3] SCREW-PAN HEAD (M5X0.8X25-MM)  
2. 318-6357 [1] PUMP GP-FUEL TRANSFER  
3. 179-8128 [1] SEAL-O-RING (FUEL SYSTEM)  
4. 262-0284 [1] RING-RETAINING  
5. 228-5897 M [4] BOLT-TORX (M8X1.25X136.7-MM)  
6. 239-2402 [4] SEAL-O-RING  
7. 1F-7960 [1] WASHER (13.5X32X6-MM THK)  
8. 1N-8062 [1] BEARING AS-NEEDLE  
9. 5C-2890 M [1] NUT (M6X1-THD)  
10. 8C-6711 [1] NUT-RETAINER (1/2-20-THD)  
11. 9X-8267 [1] WASHER (6.6X12X2-MM THK)  
12. 153-7036 [1] SPOOL  
13. 260-5716 [1] SPOOL  
  M   METRIC PART
 

#SEBP32440144
 

205-1306: REGULATOR GP-FUEL PRESSURE

205-1306 REGULATOR GP-FUEL PRESSURE
S/N 4ZF7400-UP; SAN221-UP
PART OF 200-5969 LINES GP-FUEL FILTER
i01977872 SEBP3244
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Parts for your 973C TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 295-1803 [1] ELBOW AS  
1A. 6V-5049 [1] SEAL-O-RING  
  196-6838 ELBOW  
2. 232-0343 Y [1] REGULATOR GP-FUEL PRESSURE  
  Y   SEPARATE ILLUSTRATION
 

#SEBP32440145
 

232-0343: REGULATOR GP-FUEL PRESSURE

232-0343 REGULATOR GP-FUEL PRESSURE
S/N 4ZF7400-UP; SAN221-UP
PART OF 205-1306 REGULATOR GP-FUEL PRESSURE
i02685849 SEBP3244
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Parts for your 973C TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 214-7568 [1] SEAL-O-RING  
2. 369-6662 [1] REGULATOR AS (FUEL PRESSURE)  
 

#SEBP32440146
 

235-6963: TANK GP-FUEL

235-6963 TANK GP-FUEL
S/N BCP1-311
430-L (113.6-GAL)
PART OF 171-6599 CHASSIS AR
i02007132 SEBP3244
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Parts for your 973C TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1U-2827 [1] GUIDE-VALVE  
2. 3G-5886 [1] BODY-VALVE (DRAIN)(FUEL TANK)  
3. 4Y-1213 [4] PAD-RUBBER  
4. 4Y-1214 [4] SPACER (18X26X15-MM THK)  
5. 5B-7431 [4] SCREW-MACHINE (3/8-16X1.25-IN)  
6. 5P-8502 [1] PADLOCK GP  
  5P-8500 [1] KEY  
  8Y-6364 [1] SLEEVE  
7. 5Q-8168 [1] PLATE AS  
8. 7B-3039 [1] SPRING  
9. 7X-7700 J [1] CAP AS-FUEL (LOCKABLE, VENTED)(FUEL TANK)  
  9X-8600 [1] SEAL-O-RING  
10. 8G-9571 [1] BOOT  
11. 8J-8783 [1] VALVE-DRAIN  
12. 9J-7031 [1] PLUG-DRAIN (FUEL TANK)  
13. 9P-7121 [1] STRAINER-FUEL (FUEL TANK)  
14. 157-8836 [1] SENDER AS-FUEL LEVEL (FUEL)  
14A. 138-0444 [1] KIT-REPAIR (FUEL LEVEL GAUGE)  
    (INCLUDES PINS, WEDGE, RECEPTACLE AS)
15. 236-1482 [1] TANK AS-FUEL  
16. 2K-4973 [4] LOCKNUT (3/8-16-THD)  
17. 4F-9653 [1] SEAL-O-RING  
18. 4J-0525 [1] SEAL-O-RING  
19. 4L-9337 [1] BOLT (3/8-16X1.5-IN)  
20. 5M-2057 [1] SEAL-O-RING  
21. 6C-3060 [1] GASKET  
22. 7X-0583 [4] WASHER-HARD (17X45X6-MM THK)  
23. 7X-0603 [1] WASHER-HARD (9.9X35X2.5-MM THK)  
24. 7X-2563 M [4] BOLT (M20X2.5X60-MM)  
25. 8T-4123 [4] WASHER (3.62X5.75X0.375-MM THK)  
26. 8T-4205 [6] WASHER-HARD (7.2X14.5X2-MM THK)  
27. 8T-4222 [1] WASHER-PLATED (11X32X2.5-MM THK)  
28. 8T-4779 M [4] BOLT (M16X2X35-MM)  
29. 8T-4896 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
30. 8T-9364 [6] BOLT (1/4-20X0.625-IN)  
   
    AVAILABLE REPAIR KIT(S):
  9X-2205 J [1] KIT-CAP FILTER (FUEL TANK)  
    (INCLUDES FILTER AS, SCREWS, GASKETS, VALVE)
  J   (KIT MARKED J SERVICES PART MARKED J)
  M   METRIC PART
 

#SEBP32440147
 

235-6963: TANK GP-FUEL

235-6963 TANK GP-FUEL
S/N BCP312-UP
430-L (113.6-GAL)
PART OF 171-6599 CHASSIS AR
i02412145 SEBP3244
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Parts for your 973C TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1U-2827 [1] GUIDE-VALVE  
2. 3G-5886 [1] BODY-VALVE (DRAIN)(FUEL TANK)  
3. 4Y-1213 [4] PAD-RUBBER  
4. 4Y-1214 [4] SPACER (18X26X15-MM THK)  
5. 5B-7431 [4] SCREW-MACHINE (3/8-16X1.25-IN)  
6. 246-2641 [1] PADLOCK GP (FUEL CAP)  
  5P-8500 [2] KEY  
7. 5Q-8168 [1] PLATE AS  
8. 7B-3039 [1] SPRING  
9. 7X-7700 J [1] CAP AS-FUEL (LOCKABLE, VENTED)  
  9X-8600 [1] SEAL-O-RING  
10. 8G-9571 [1] BOOT  
11. 8J-8783 [1] VALVE-DRAIN  
12. 9J-7031 [1] PLUG-DRAIN (FUEL TANK)  
13. 9P-7121 [1] STRAINER-FUEL (FUEL TANK)  
14. 273-0122 C [1] SENDER AS-FUEL LEVEL  
14A. 138-0444 [1] KIT-REPAIR (FUEL LEVEL GAUGE)  
    (INCLUDES PINS, WEDGE, & RECEPTACLE AS)
15. 236-1482 [1] TANK AS-FUEL  
16. 2K-4973 [4] LOCKNUT (3/8-16-THD)  
18. 4J-0525 [1] SEAL-O-RING  
19. 4L-9337 [1] BOLT (3/8-16X1.5-IN)  
20. 5M-2057 [1] SEAL-O-RING  
21. 6C-3060 [1] GASKET  
22. 7X-0583 [4] WASHER-HARD (17X45X6-MM THK)  
23. 7X-0603 [1] WASHER-HARD (9.9X35X2.5-MM THK)  
24. 7X-2563 M [4] BOLT (M20X2.5X60-MM)  
25. 8T-4123 [4] WASHER (3.62X5.75X0.375-MM THK)  
26. 8T-4205 [6] WASHER-HARD (7.2X14.5X2-MM THK)  
27. 8T-4222 [1] WASHER-PLATED (11X32X2.5-MM THK)  
28. 8T-4779 M [4] BOLT (M16X2X35-MM)  
29. 8T-4896 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
30. 8T-9364 [6] BOLT (1/4-20X0.625-IN)  
31. 148-8410 [1] PLUG AS  
  2M-9780 [1] SEAL-O-RING  
  9S-4190 [1] PLUG-O-RING (7/8-14-THD)  
32. 164-4180 [1] PLUG AS  
  7M-8485 [1] SEAL-O-RING  
  9S-4181 [1] PLUG (1-5/16-12-THD)  
   
    AVAILABLE REPAIR KIT(S):
  9X-2205 J [1] KIT-CAP FILTER (FUEL TANK)  
    (INCLUDES FILTER AS, SCREWS, GASKETS, VALVE)
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP32440148
 

239-4807: TANK GP-FUEL

239-4807 TANK GP-FUEL
S/N BCP1-221
430-LITERS (113.6-GAL)
PART OF 239-4820 CHASSIS AR
AN ATTACHMENT
i02160002 SEBP3244
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Parts for your 973C TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1U-2827 [1] GUIDE-VALVE  
2. 3G-5886 [1] BODY-VALVE (DRAIN)  
3. 4Y-1213 [4] PAD-RUBBER  
4. 4Y-1214 [4] SPACER (18X26X15-MM THK)  
5. 5B-7431 [5] SCREW-MACHINE (3/8-16X1.25-IN)  
6. 7B-3039 [1] SPRING  
7. 8G-3928 [1] NUT (3-1/2-12-THD)  
8. 8G-3929 [1] TUBE  
9. 8G-9571 [1] BOOT  
10. 8J-8783 [1] VALVE-DRAIN  
11. 9J-7031 [1] PLUG-DRAIN (FUEL TANK)  
12. 157-8836 [1] SENDER AS-FUEL LEVEL  
  138-0444 [1] KIT-REPAIR (FUEL LEVEL GAUGE)  
    (INCLUDES PINS, RECEPTACLE AS, WEDGE, SENSOR, & SCREWS)
13. 172-9875 [1] CAP AS (FUEL TANK)  
14. 239-4806 [1] TANK AS-FUEL  
15. 2K-4973 [4] LOCKNUT (3/8-16-THD)  
16. 4F-9653 [1] SEAL-O-RING  
17. 4J-0525 [1] SEAL-O-RING  
18. 5M-2057 [1] SEAL-O-RING  
19. 6C-3060 [1] GASKET  
20. 7X-0583 [4] WASHER-HARD (17X45X6-MM THK)  
21. 7X-2563 M [4] BOLT (M20X2.5X60-MM)  
22. 8T-4123 [4] WASHER (3.62X5.75X0.375-MM THK)  
23. 8T-4205 [6] WASHER-HARD (7.2X14.5X2-MM THK)  
24. 8T-4779 M [4] BOLT (M16X2X35-MM)  
25. 8T-4896 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
26. 8T-9364 [6] BOLT (1/4-20X0.625-IN)  
  M   METRIC PART
 

#SEBP32440149
 

239-4807: TANK GP-FUEL

239-4807 TANK GP-FUEL
S/N BCP222-UP
430-LITERS (113.6-GAL)
PART OF 239-4820 CHASSIS AR
AN ATTACHMENT
i02333380 SEBP3244
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Parts for your 973C TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1U-2827 [1] GUIDE-VALVE  
2. 3G-5886 [1] BODY-VALVE (DRAIN)  
3. 4Y-1213 [4] PAD-RUBBER  
4. 4Y-1214 [4] SPACER (18X26X15-MM THK)  
5. 5B-7431 C [4] SCREW-MACHINE (3/8-16X1.25-IN)  
6. 7B-3039 [1] SPRING  
7. 8G-3928 [1] NUT (3-1/2-12-THD)  
8. 8G-3929 [1] TUBE  
9. 8G-9571 [1] BOOT  
10. 8J-8783 [1] VALVE-DRAIN  
11. 9J-7031 [1] PLUG-DRAIN (FUEL TANK)  
12. 273-0122 [1] SENDER AS-FUEL LEVEL  
  138-0444 [1] KIT-REPAIR (FUEL LEVEL GAUGE)  
    (INCLUDES PINS, RECEPTACLE AS, WEDGE, SENSOR, & SCREWS)
13. 172-9875 [1] CAP AS (FUEL TANK FILL)  
  257-9673 [1] SCREEN (FUEL CAP)  
14. 239-4806 [1] TANK AS-FUEL  
15. 2K-4973 [4] LOCKNUT (3/8-16-THD)  
17. 4J-0525 [1] SEAL-O-RING  
18. 5M-2057 [1] SEAL-O-RING  
19. 6C-3060 [1] GASKET  
20. 7X-0583 [4] WASHER-HARD (17X45X6-MM THK)  
21. 7X-2563 M [4] BOLT (M20X2.5X60-MM)  
22. 8T-4123 [4] WASHER (3.62X5.75X0.375-MM THK)  
23. 8T-4205 [6] WASHER-HARD (7.2X14.5X2-MM THK)  
24. 8T-4779 M [4] BOLT (M16X2X35-MM)  
25. 8T-4896 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
26. 8T-9364 [6] BOLT (1/4-20X0.625-IN)  
27. 4L-9337 C [1] BOLT (3/8-16X1.5-IN)  
28. 5Q-8168 C [1] PLATE AS  
29. 7X-0603 C [1] WASHER-HARD (9.9X35X2.5-MM THK)  
30. 8T-4222 C [1] WASHER-PLATED (11X32X2.5-MM THK)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
 

Information:

Truck Engine News
Engine News
Special Instruction
Installation of the 262-5465 Check Valve Kit or the 266-4455 Check Valve Kit {1714}
Installation of the 262-5465 Check Valve Kit or the 266-4455 Check Valve Kit {1714}
Procedure for Troubleshooting and Cleaning the Oil Rail System for the Hydraulic Electronic Unit Injector (HEUI) {1100, 1126, 1250, 1251, 1261, 1290}
Procedure for Troubleshooting and Cleaning the Oil Rail System for the Hydraulic Electronic Unit Injector (HEUI) {1100, 1126, 1250, 1251, 1261, 1290}
Installation Procedure for the Fuel Transfer Kit on the Hydraulic Electronic Unit Injector (HEUI) Pump{1256}
Installation Procedure for the Fuel Transfer Kit on the Hydraulic Electronic Unit Injector (HEUI) Pump{1256}
Debris in Oil System Causing Repeat Failures of the (HEUI) Pump for Certain C7 and C9 Engines. {1126, 1251, 1318, 1378}
Debris in Oil System Causing Repeat Failures of the (HEUI) Pump for Certain C7 and C9 Engines. {1126, 1251, 1318, 1378}
Specifications
Unit Injector
C-9 Engines for Caterpillar Built Machines
Unit Injector Hydraulic Pump
C-9 Engines for Caterpillar Built Machines
Tool Operating Manual
Using the 4C-6090 Multichannel Temperature Selector Group{0599, 0701, 0706, 1251, 1254, 1290, 1713}
Using the 4C-6090 Multichannel Temperature Selector Group{0599, 0701, 0706, 1251, 1254, 1290, 1713}
Using the TMI System to Retrieve Off Engine Injection Pump Test Specifications for the Fuel Injection Equipment Test Stand{0706, 0782, 1251, 1286}
Using the TMI System to Retrieve Off Engine Injection Pump Test Specifications for the Fuel Injection Equipment Test Stand{0706, 0782, 1251, 1286}
Testing and Adjusting Fuel Injection Pump and Governor on 3064 and 3066 Engines{0374, 0599, 0706}
Testing and Adjusting Fuel Injection Pump and Governor on 3064 and 3066 Engines{0374, 0599, 0706}
Using the 143-2099 Sleeve Replacement Tool Group on 3114, 3116, and 3126 Engines{0374, 0599, 0701, 0706, 0781}
Using the 143-2099 Sleeve Replacement Tool Group on 3114, 3116, and 3126 Engines{0374, 0599, 0701, 0706, 0781}
169-3374 Brass Injector Sleeve Removal Group for 3176 and 3176B Engines{0374, 0599, 0700, 0706}
169-3374 Brass Injector Sleeve Removal Group for 3176 and 3176B Engines{0374, 0599, 0700, 0706}
Testing and Adjusting
Electronic Unit Injector - Test
C-9 Engines for Caterpillar Built Machines
Troubleshooting
Injector Solenoid Circuit - Test
C-9 Engine for Caterpillar Built Machines
Injector Code - Calibrate
C-9 Engine for Caterpillar Built Machines
CID 0001 FMI 11 Cylinder #1 Injector fault
C-9 Engine for Caterpillar Built Machines
CID 0002 FMI 11 Cylinder #2 Injector fault
C-9 Engine for the 973C Track-Type Loader
CID 0003 FMI 11 Cylinder #3 Injector fault
C-9 Engine for Caterpillar Built Machines
CID 0004 FMI 11 Cylinder #4 Injector fault
C-9 Engine for the 973C Track-Type Loader
CID 0005 FMI 11 Cylinder #5 Injector fault
C-9 Engine for the 973C Track-Type Loader
CID 0006 FMI 11 Cylinder #6 Injector fault
C-9 Engine for Caterpillar Built Machines
Disassembly and Assembly
Unit Injector - Remove
C9
Engine For Caterpillar Built Machines

Injection Actuation Pressure Sensor - Remove and Install
C9
Engine For Caterpillar Built Machines

Unit Injector - Install
C9
Engine For Caterpillar Built Machines

Service Magazine

Caterpillar Parts SIS Catalog 973C :

Truck sale:

 
Caterpillar 973C
- track loaders
ZIEGLER CAT
120,000 
Caterpillar 973C, track loaders, Construction
- track loaders
QUINN COMPANY
5,047 
 
Caterpillar 973C, Construction
- track loaders
CGT - COMPAGNIA GENERALE TRATTORI
Italy
20,000 
Caterpillar 973C, Construction
- track loaders
ALTORFER INC.
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