HYDRAULIC SYSTEM
LINES GP-RETURNLINES GP-STICK
LINES GP-CYLINDER
LINES GP-DRAIN
LINES GP-SWING
LINES GP-TRAVEL MOTOR
MANIFOLD GP
HYDRAULIC SYSTEM
LINES GP-RETURN#SEBP37400370
216-6664: LINES GP-RETURN & FILTER
216-6664 LINES GP-RETURN & FILTER
S/N MCF1-UP
PART OF 226-3000 LINES AR-HYDRAULIC
AN ATTACHMENT
S/N MCF1-UP
PART OF 226-3000 LINES AR-HYDRAULIC
AN ATTACHMENT
Parts for your 321C EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 095-1386 | [1] | CLAMP-HOSE | |
| 2. | 216-6744 | [1] | SUPPORT AS | |
| 3. | 226-3039 I | [1] | HOSE AS | |
| 4. | 226-3042 I | [1] | HOSE AS | |
| 5. | 230-0389 | [1] | SUPPORT AS | |
| 6. | 096-4883 M | [2] | LOCKNUT (M10X1.5-THD) | |
| 7. | 148-8357 | [3] | ELBOW AS | |
| (EACH INCLUDES) | ||||
| 5K-9090 | [1] | SEAL-O-RING | ||
| 6V-9008 | [1] | ELBOW | ||
| 7M-8485 | [1] | SEAL-O-RING | ||
| 8. | 224-1687 Y | [1] | FILTER GP-OIL (HYDRAULIC) | |
| 9. | 5P-7468 | [2] | CLIP (SLOT) | |
| 10. | 5P-7469 | [2] | CLIP (TAB) | |
| 11. | 5P-8444 | [2] | GROMMET (37-MM ID) | |
| 12. | 7Y-5238 M | [1] | U-BOLT (M10X1.5-THD) | |
| 13. | 8T-4121 | [2] | WASHER-HARD (11X21X2.5-MM THK) | |
| 14. | 8T-4139 M | [8] | BOLT (M12X1.75X30-MM) | |
| 15. | 8T-4179 M | [2] | BOLT (M12X1.75X20-MM) | |
| 16. | 8T-4192 M | [2] | BOLT (M12X1.75X25-MM) | |
| 17. | 8T-4223 | [12] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 18. | 5P-1442 E | HOSE (39-CM) | ||
| E | ORDER BY THE CENTIMETER | |||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP37400371
173-7987: LINES GP-STICK
173-7987 LINES GP-STICK
S/N MCF1-UP
PART OF 163-7765 STICK AR-HOE
FOR USE WITH 2.9-M (9.5-FT) STICK
AN ATTACHMENT
S/N MCF1-UP
PART OF 163-7765 STICK AR-HOE
FOR USE WITH 2.9-M (9.5-FT) STICK
AN ATTACHMENT
Parts for your 321C EXCAVATOR:
CATERPILLAR SIS#SEBP37400372
118-3951: LINES GP-STICK CYLINDER
118-3951 LINES GP-STICK CYLINDER
S/N MCF1-UP
PART OF 158-8992 CYLINDER & LINES GP-STICK
AN ATTACHMENT
S/N MCF1-UP
PART OF 158-8992 CYLINDER & LINES GP-STICK
AN ATTACHMENT
Parts for your 321C EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9X-6032 CM | [4] | BOLT-SOCKET HEAD (M10X1.5X30-MM) | |
| 2. | 095-1597 | [1] | SEAL-O-RING | |
| 3. | 222-0129 C | [1] | TUBE AS | |
| 4. | 222-0128 C | [1] | ELBOW | |
| 5. | 8T-4910 M | [1] | BOLT (M12X1.75X60-MM) | |
| 6. | 8T-4223 C | [2] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 7. | 6V-8200 CM | [4] | BOLT-SOCKET HEAD (M12X1.75X35-MM) | |
| 8. | 095-1600 | [1] | SEAL-O-RING | |
| 9. | 124-1020 | [1] | SUPPORT | |
| 10. | 8T-4196 M | [2] | BOLT (M10X1.5X35-MM) | |
| 11. | 8T-4896 C | [2] | WASHER-HARD (10.2X18.5X2.5-MM THK) | |
| 12. | 124-1019 | [1] | SUPPORT AS | |
| 13. | 096-4480 | [1] | CLAMP | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| M | METRIC PART | |||
#SEBP37400373
179-5084: LINES GP-STICK CYLINDER
179-5084 LINES GP-STICK CYLINDER
S/N MCF1-UP
STICK LOWERING CONTROL
PART OF 244-8355 CONTROL AR-LOAD
Type 1
AN ATTACHMENT
S/N MCF1-UP
STICK LOWERING CONTROL
PART OF 244-8355 CONTROL AR-LOAD
Type 1
AN ATTACHMENT
Parts for your 321C EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 179-5195 | [1] | TUBE AS | |
| 2. | 179-5196 | [1] | PIPE AS | |
| 3. | 179-5198 | [1] | PIPE AS | |
| 4. | 179-5197 | [1] | PIPE AS | |
| 5. | 210-9824 | [2] | SUPPORT AS | |
| 6. | 119-2325 | [2] | SUPPORT AS | |
| 7. | 135-3977 | [1] | ELBOW | |
| 8. | 148-8368 | [2] | ELBOW AS | |
| (EACH INCLUDES) | ||||
| 6V-8627 | [1] | ELBOW | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 4J-5477 | [1] | SEAL-O-RING | ||
| 9. | 148-8340 | [1] | CONNECTOR AS | |
| 6V-8639 | [1] | CONNECTOR | ||
| 3K-0360 | [1] | SEAL-O-RING | ||
| 6V-8398 | [1] | SEAL-O-RING | ||
| 10. | 171-0090 Y | [1] | VALVE GP-LOAD CONTROL (STICK CYLINDER) | |
| 11. | 093-1294 | [2] | CLAMP | |
| 12. | 5Q-4213 | [4] | CLIP | |
| 13. | 8T-4186 M | [2] | BOLT (M10X1.5X40-MM) | |
| 14. | 8T-4121 | [10] | WASHER-HARD (11X21X2.5-MM THK) | |
| 15. | 8T-4139 M | [4] | BOLT (M12X1.75X30-MM) | |
| 16. | 8T-4223 | [8] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 17. | 8T-4196 M | [8] | BOLT (M10X1.5X35-MM) | |
| 18. | 8T-4648 M | [4] | BOLT (M12X1.75X70-MM) | |
| 19. | 4I-9729 | [4] | BOLT (M10X1.5X75-MM) | |
| 20. | 6V-8397 | [2] | SEAL-O-RING | |
| 21. | 6V-9746 | [2] | SEAL-O-RING | |
| 22. | 1P-3703 | [1] | SEAL-RECTANGULAR | |
| 23. | 6V-8398 | [2] | SEAL-O-RING | |
| 24. | 095-1596 | [1] | SEAL-O-RING | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP37400374
179-5084: LINES GP-STICK CYLINDER
179-5084 LINES GP-STICK CYLINDER
S/N MCF1-UP
STICK LOWERING CONTROL
PART OF 244-8355 CONTROL AR-LOAD
Type 2
AN ATTACHMENT
S/N MCF1-UP
STICK LOWERING CONTROL
PART OF 244-8355 CONTROL AR-LOAD
Type 2
AN ATTACHMENT
Parts for your 321C EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 179-5195 | [1] | TUBE AS | |
| 2. | 179-5196 | [1] | PIPE AS | |
| 3. | 179-5198 | [1] | PIPE AS | |
| 4. | 179-5197 | [1] | PIPE AS | |
| 5. | 210-9824 | [2] | SUPPORT AS | |
| 6. | 119-2325 | [2] | SUPPORT AS | |
| 7. | 135-3977 | [1] | ELBOW | |
| 8. | 148-8368 | [2] | ELBOW AS | |
| (EACH INCLUDES) | ||||
| 6V-8627 | [1] | ELBOW | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 4J-5477 | [1] | SEAL-O-RING | ||
| 9. | 148-8340 | [1] | CONNECTOR AS | |
| 6V-8639 | [1] | CONNECTOR | ||
| 3K-0360 | [1] | SEAL-O-RING | ||
| 6V-8398 | [1] | SEAL-O-RING | ||
| 10. | 250-2492 CY | [1] | VALVE GP-LOAD CONTROL (STICK CYLINDER) | |
| 11. | 093-1294 | [2] | CLAMP | |
| 12. | 5Q-4213 | [4] | CLIP | |
| 13. | 8T-4186 M | [2] | BOLT (M10X1.5X40-MM) | |
| 14. | 8T-4121 | [10] | WASHER-HARD (11X21X2.5-MM THK) | |
| 15. | 8T-4139 M | [4] | BOLT (M12X1.75X30-MM) | |
| 16. | 8T-4223 | [8] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 17. | 8T-4196 M | [8] | BOLT (M10X1.5X35-MM) | |
| 18. | 8T-4648 M | [4] | BOLT (M12X1.75X70-MM) | |
| 19. | 4I-9729 | [4] | BOLT (M10X1.5X75-MM) | |
| 20. | 6V-8397 | [2] | SEAL-O-RING | |
| 21. | 6V-9746 | [2] | SEAL-O-RING | |
| 22. | 1P-3703 | [1] | SEAL-RECTANGULAR | |
| 23. | 6V-8398 | [2] | SEAL-O-RING | |
| 24. | 095-1596 | [1] | SEAL-O-RING | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP37400375
173-8033: LINES GP-STICK DRAIN
173-8033 LINES GP-STICK DRAIN -B-FAMILY
S/N MCF1-UP
2.9-M (9.51-FT) STICK
AN ATTACHMENT
S/N MCF1-UP
2.9-M (9.51-FT) STICK
AN ATTACHMENT
Parts for your 321C EXCAVATOR:
CATERPILLAR SIS#SEBP37400376
212-5559: LINES GP-SWING MOTOR
Parts for your 321C EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 178-5922 | [1] | ELBOW | |
| 2. | 221-4833 I | [1] | HOSE AS | |
| 3. | 221-4837 I | [1] | HOSE AS | |
| 4. | 223-7065 | [1] | TUBE AS | |
| 5. | 223-7066 | [1] | TUBE AS | |
| 6. | 158-9085 Y | [1] | VALVE GP-SWING CUSHION (CROSSOVER RELIEF) | |
| 7. | 1P-3702 | [1] | SEAL-RECTANGULAR | |
| 8. | 1P-3703 | [3] | SEAL-RECTANGULAR | |
| 9. | 1P-5765 | [2] | FLANGE-HALF | |
| 10. | 6V-9746 | [3] | SEAL-O-RING | |
| 11. | 7K-1181 | [2] | STRAP-CABLE | |
| 12. | 8T-4121 | [4] | WASHER-HARD (11X21X2.5-MM THK) | |
| 13. | 8T-4178 M | [6] | BOLT (M10X1.5X90-MM) | |
| 14. | 8T-4182 M | [4] | BOLT (M10X1.5X45-MM) | |
| 15. | 8T-4185 M | [4] | BOLT (M10X1.5X50-MM) | |
| 16. | 9X-6032 M | [8] | BOLT-SOCKET HEAD (M10X1.5X30-MM) | |
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP37400377
212-5558: LINES GP-TRAVEL MOTOR
212-5558 LINES GP-TRAVEL MOTOR -LONG UNDERCARRIAGE
S/N MCF1-UP
PART OF 215-4929 HYDRAULIC AR
S/N MCF1-UP
PART OF 215-4929 HYDRAULIC AR
Parts for your 321C EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 5P-5148 | [1] | STRAP-CABLE | |
| 2. | 7K-1181 | [4] | STRAP-CABLE | |
| 3. | 104-8771 I | [2] | HOSE AS | |
| 4. | 108-7118 | [4] | GROMMET | |
| 5. | 119-2399 I | [4] | HOSE AS | |
| 6. | 159-7841 Y | [1] | SWIVEL GP | |
| 7. | 164-5552 | [1] | CONNECTOR AS | |
| 3D-2824 | [1] | SEAL-O-RING | ||
| 4I-7745 | [1] | CONNECTOR | ||
| 6V-8398 | [1] | SEAL-O-RING | ||
| 8. | 173-5089 I | [2] | HOSE AS | |
| 9. | 178-6030 | [1] | SUPPORT | |
| 10. | 221-4783 | [1] | HOSE AS | |
| 11. | 221-4787 | [1] | HOSE AS | |
| 12. | 221-4791 | [1] | HOSE AS | |
| 13. | 221-4795 | [1] | HOSE AS | |
| 14. | 221-4799 | [2] | TUBE AS | |
| 15. | 221-4801 | [1] | GROMMET | |
| 16. | 148-8364 | [2] | ELBOW AS | |
| (EACH INCLUDES) | ||||
| 3K-0360 | [1] | SEAL-O-RING | ||
| 6V-8398 | [1] | SEAL-O-RING | ||
| 6V-8625 | [1] | ELBOW | ||
| 17. | 148-8378 | [2] | ELBOW AS | |
| (EACH INCLUDES) | ||||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 6V-8724 | [1] | ELBOW | ||
| 18. | 148-8439 | [1] | TEE AS | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [2] | SEAL-O-RING | ||
| 6V-8774 | [1] | TEE | ||
| 19. | 150-4037 | [1] | TEE AS | |
| 6V-8398 | [2] | SEAL-O-RING | ||
| 6V-9844 | [1] | TEE-SWIVEL | ||
| 20. | 1P-3703 | [12] | SEAL-RECTANGULAR | |
| 21. | 1P-3704 | [2] | SEAL-RECTANGULAR | |
| 22. | 4J-5267 | [4] | SEAL-O-RING | |
| 23. | 5P-1076 | [2] | WASHER-HARD (13.5X30X4-MM THK) | |
| 24. | 6V-0400 | [24] | FLANGE-HALF | |
| 25. | 8T-4121 | [6] | WASHER-HARD (11X21X2.5-MM THK) | |
| 26. | 8T-4136 M | [6] | BOLT (M10X1.5X25-MM) | |
| 27. | 8T-4184 M | [48] | BOLT (M12X1.75X45-MM) | |
| 28. | 8T-4223 | [56] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 29. | 8T-4648 M | [10] | BOLT (M12X1.75X70-MM) | |
| 30. | 9X-6032 M | [16] | BOLT-SOCKET HEAD (M10X1.5X30-MM) | |
| 31. | 1U-8846 B | SEALANT-GASKET | ||
| B | USE AS REQUIRED | |||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP37400378
158-8251: MANIFOLD GP-CONTROL
158-8251 MANIFOLD GP-CONTROL -PILOT OIL
S/N MCF1-198
PART OF 218-1233 LINES GP-PILOT
S/N MCF1-198
PART OF 218-1233 LINES GP-PILOT
Parts for your 321C EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9S-8005 | [3] | PLUG (3/4-16-THD) | |
| 2. | 8T-6759 | [6] | PLUG-PIPE | |
| 3. | 197-0196 | [1] | VALVE-CHECK | |
| 4. | 7M-7410 | [2] | PLUG-PIPE | |
| 5. | 197-0199 | [1] | SPRING | |
| 6. | 197-0273 | [1] | SPRING | |
| 7A. | 121-1491 Y | [1] | VALVE GP-SOLENOID (HYDRAULIC ACTIVATION) | |
| 7B. | 121-1491 Y | [1] | VALVE GP-SOLENOID (SWING PARKING BRAKE) | |
| 7C. | 121-1491 Y | [1] | VALVE GP-SOLENOID (TRAVEL SPEED) | |
| 8. | 3K-0360 | [3] | SEAL-O-RING | |
| 9. | 7I-2272 M | [6] | BOLT (M5X0.8X12-MM) | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP37400379
185-0497: MANIFOLD GP-CONTROL
185-0497 MANIFOLD GP-CONTROL -PILOT OIL
S/N MCF1-UP
PART OF 218-1255 LINES GP-PILOT
AN ATTACHMENT
S/N MCF1-UP
PART OF 218-1255 LINES GP-PILOT
AN ATTACHMENT
Parts for your 321C EXCAVATOR:
CATERPILLAR SISInformation:
Caterpillar Parts SIS Catalog 321C :
Truck sale:
$34,395 USD
CATERPILLAR 321C 2003
- TRACK EXCAVATORS
TOROMONT
For All your Used Equipment Needs - in Ontario, Manitoba, Newfoundlan
- TRACK EXCAVATORS
TOROMONT
For All your Used Equipment Needs - in Ontario, Manitoba, Newfoundlan

