BASIC ENGINE
VALVE MECHANISM GPCRANKSHAFT GP
CYLINDER BLOCK GP
CYLINDER HEAD GP
BASIC ENGINE
VALVE MECHANISM GP#SEBP52190020
229-2615: COVER GP-VALVE MECHANISM
229-2615 COVER GP-VALVE MECHANISM
S/N MHX2531-UP
PART OF 280-3646 ENGINE AR-COMPLETE
FOR USE WITH ENGINES THAT DO NOT REQUIRE A VARIABLE VALVE ACTUATOR
S/N MHX2531-UP
PART OF 280-3646 ENGINE AR-COMPLETE
FOR USE WITH ENGINES THAT DO NOT REQUIRE A VARIABLE VALVE ACTUATOR
#SEBP52190021
224-3881: CRANKSHAFT GP
Parts for your 345C L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 211-0587 J | [4] | BEARING-MAIN (STANDARD) | |
| 128-0400 AB | BEARING-MAIN (0.51-MM US) | |||
| 128-0401 AB | BEARING-MAIN (0.76-MM US) | |||
| 128-0402 AB | BEARING-MAIN (0.51-MM OS) | |||
| 128-0403 AB | BEARING-MAIN (0.51-MM OS, 0.51-MM US) | |||
| 2. | 211-0588 J | [3] | BEARING-MAIN (STANDARD) | |
| 128-0382 AB | BEARING-MAIN (0.51-MM US) | |||
| 128-0383 AB | BEARING-MAIN (0.76-MM US) | |||
| 128-0384 AB | BEARING-MAIN (0.51-MM OS) | |||
| 128-0385 AB | BEARING-MAIN (0.51-MM OS, 0.51-MM US) | |||
| 3. | 313-3997 | [1] | CRANKSHAFT AS | |
| 6V-3536 | [1] | DOWEL | ||
| 9Y-0810 | [1] | SLEEVE-WEAR (REAR) | ||
| 9Y-0821 | [1] | SLEEVE (FRONT) | ||
| 187-8972 | [1] | GEAR-CRANKSHAFT (48-TEETH) | ||
| 4. | 246-3144 J | [2] | PLATE-THRUST | |
| AVAILABLE REPAIR KIT(S): | ||||
| 243-6717 J | [1] | KIT-CRANKSHAFT BEARING (STANDARD) | ||
| (INCLUDES MAIN BEARINGS & THRUST PLATES) | ||||
| A | NOT PART OF THIS GROUP | |||
| B | USE AS REQUIRED | |||
| J | KIT MARKED J INCLUDES PART(S) MARKED J | |||
| R | REMANUFACTURED PART MAY BE AVAILABLE | |||
#SEBP52190022
361-4766: CYLINDER BLOCK AS
Parts for your 345C L EXCAVATOR:
CATERPILLAR SIS#SEBP52190023
361-4767: CYLINDER BLOCK AS
Parts for your 345C L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 187-8969 | [7] | BEARING | |
| 2. | Y | [1] | CYLINDER BLOCK AS | |
| Y | SEPARATE ILLUSTRATION | |||
#SEBP52190024
517-1983: CYLINDER BLOCK AS
Parts for your 345C L EXCAVATOR:
CATERPILLAR SIS#SEBP52190025
240-7271: CYLINDER BLOCK GP
240-7271 CYLINDER BLOCK GP
S/N MHX2531-UP
PART OF 267-0009, 317-9990 ENGINE AR-CORE
S/N MHX2531-UP
PART OF 267-0009, 317-9990 ENGINE AR-CORE
Parts for your 345C L EXCAVATOR:
CATERPILLAR SIS#SEBP52190026
308-6358: CYLINDER HEAD AS
308-6358 CYLINDER HEAD AS
S/N MHX2531-UP
PART OF 257-4095 CYLINDER HEAD GP
OPTIONAL FIELD REPLACEMENT ORDER @@@@@342-4397@@@@@
S/N MHX2531-UP
PART OF 257-4095 CYLINDER HEAD GP
OPTIONAL FIELD REPLACEMENT ORDER @@@@@342-4397@@@@@
Parts for your 345C L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 224-1270 | [12] | INSERT-VALVE SEAT (EXHAUST)(STANDARD) | |
| 254-3944 AB | INSERT-VALVE SEAT (0.51-MM OS)(EXHAUST) | |||
| 331-5010 AB | INSERT-VALVE SEAT (0.13-MM OS)(EXHAUST) | |||
| 331-5011 AB | INSERT-VALVE SEAT (0.26-MM OS)(EXHAUST) | |||
| 2. | 260-4855 | [12] | INSERT-VALVE SEAT (INLET)(STANDARD) | |
| 331-5007 AB | INSERT-VALVE SEAT (0.13-MM OS, INLET) | |||
| 331-5008 AB | INSERT-VALVE SEAT (0.26-MM OS, INLET) | |||
| 331-5009 AB | INSERT-VALVE SEAT (0.51-MM OS, INLET) | |||
| 3. | 263-4920 | [6] | SLEEVE-INJECTOR (INLET) | |
| 4. | 268-2953 | [24] | GUIDE-VALVE | |
| 6. | 166-2904 | [12] | SEAL-O-RING | |
| 7. | 3B-0623 | [35] | PLUG-CUP | |
| 8. | 6V-5049 | [7] | SEAL-O-RING | |
| 9. | 6V-5063 | [1] | SEAL-O-RING | |
| 10. | 9S-8004 | [7] | PLUG (9/16-18-THD) | |
| 11. | 9S-8008 | [1] | PLUG (1-1/16-12-THD) | |
| 12. | 9X-7430 | [6] | SEAL-O-RING | |
| A | NOT PART OF THIS GROUP | |||
| B | USE AS REQUIRED | |||
#SEBP52190027
342-4397: CYLINDER HEAD AS
342-4397 CYLINDER HEAD AS
S/N MHX2531-UP
FIELD REPLACEMENT FOR @@@@@308-6358@@@@@
FIELD INSTALLATION
S/N MHX2531-UP
FIELD REPLACEMENT FOR @@@@@308-6358@@@@@
FIELD INSTALLATION
Parts for your 345C L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 224-1270 | [12] | INSERT-VALVE SEAT (EXHAUST)(STANDARD) | |
| 254-3944 AB | INSERT-VALVE SEAT (0.51-MM OS) | |||
| 331-5010 AB | INSERT-VALVE SEAT (0.13-MM OS) | |||
| 331-5011 AB | INSERT-VALVE SEAT (0.26-MM OS) | |||
| 2. | 260-4855 | [12] | INSERT-VALVE SEAT (INLET)(STANDARD) | |
| 331-5007 AB | INSERT-VALVE SEAT (0.13-MM OS, INLET) | |||
| 331-5008 AB | INSERT-VALVE SEAT (0.26-MM OS, INLET) | |||
| 331-5009 AB | INSERT-VALVE SEAT (0.51-MM OS, INLET) | |||
| 3. | 9X-7430 | [6] | SEAL-O-RING | |
| 4. | 268-2953 | [24] | GUIDE-VALVE | |
| 6. | 166-2904 | [12] | SEAL-O-RING | |
| 7. | 3B-0623 | [35] | PLUG-CUP | |
| 8. | 214-7568 | [7] | SEAL-O-RING | |
| 9. | 6V-5063 | [1] | SEAL-O-RING | |
| 10. | 9S-8004 | [7] | PLUG (9/16-18-THD) | |
| 11. | 9S-8008 | [1] | PLUG (1-1/16-12-THD) | |
| A | NOT PART OF THIS GROUP | |||
| B | USE AS REQUIRED | |||
#SEBP52190028
345-3752: CYLINDER HEAD AS
Parts for your 345C L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 224-1270 | [12] | INSERT-VALVE SEAT (EXHAUST)(STANDARD) | |
| 254-3944 AB | INSERT-VALVE SEAT (0.51-MM OS) | |||
| 331-5010 AB | INSERT-VALVE SEAT (0.13-MM OS) | |||
| 331-5011 AB | INSERT-VALVE SEAT (0.26-MM OS) | |||
| 2. | 260-4855 | [12] | INSERT-VALVE SEAT (INLET)(STANDARD) | |
| 331-5007 AB | INSERT-VALVE SEAT (0.13-MM OS, INLET) | |||
| 331-5008 AB | INSERT-VALVE SEAT (0.26-MM OS, INLET) | |||
| 331-5009 AB | INSERT-VALVE SEAT (0.51-MM OS, INLET) | |||
| 3. | 263-4920 | [6] | SLEEVE-INJECTOR (INLET) | |
| 4. | 268-2953 | [24] | GUIDE-VALVE | |
| 6. | 166-2904 | [12] | SEAL-O-RING | |
| 7. | 9X-7430 | [6] | SEAL-O-RING | |
| 8. | 3B-0623 | [35] | PLUG-CUP | |
| 9. | 353-5140 | [1] | PLUG AS | |
| 6V-5063 | [1] | SEAL-O-RING | ||
| 9S-8008 | [1] | PLUG (1-1/16-12-THD) | ||
| 10. | 183-3407 | [7] | PLUG AS | |
| (EACH INCLUDES) | ||||
| 9S-8004 | [1] | PLUG (9/16-18-THD) | ||
| 214-7568 | [1] | SEAL-O-RING | ||
| A | NOT PART OF THIS GROUP | |||
| B | USE AS REQUIRED | |||
#SEBP52190029
240-7679: CYLINDER HEAD GP
Parts for your 345C L EXCAVATOR:
CATERPILLAR SISInformation:
BASIC ENGINE
VALVE MECHANISM GP
Reuse And Salvage Guidelines
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Troubleshooting
Disassembly and Assembly



