A New Injector Hydraulic Pump Group Is Available For Certain C9 Marine Engines {1714}
- Engine:
- C9 (S/N: C9Y1-UP)
- Generator Set:
- C9 MARINE GEN (S/N: SJB1-UP)
- Marine Engine:
- C9 MARINE (S/N: C9B1-UP; CSN1-UP; X9X1-UP; Z9X1-UP; X9Y1-UP)
- C9 MARINE GS (S/N: C9A1-UP)
Description of Change: The Unit Injector Pump Gp has a new bearing design which improves durability. The durability that is improved will eliminate fuel system components from being contaminated by bearing material.
Adaptable To: Refer to Special Instruction, REHS7947 for a list of new parts associated with the change and also with the procedure for installation for engines built before the effectivity shown.
Refer to Table 1 for the new and former part number.
The effective serial numbers are listed in Table 2.
Show/hide table
| Former Part | New Part |
| 319-0678 Unit Injector Hydraulic Pump Gp | 384-0678 Unit Injector Hydraulic Pump Gp |
| 312-0678 Unit Injector Hydraulic Pump Gp | |
| 220-4276 Unit Injector Hydraulic Pump Gp | |
| 254-4358 Unit Injector Hydraulic Pump Gp | |
| 295-4778 Unit Injector Hydraulic Pump Gp | |
| 304-0678 Unit Injector Hydraulic Pump Gp |
Show/hide table
| Effectivity |
| S/N:C9A00990-99999 |
| S/N:C9B00343-99999 |
| S/N:C9Y00384-99999 |
| S/N:CSN01135-99999 |
| S/N:SJB01203-99999 |
| S/N:X9X03065-99999 |
| S/N:X9Y00861-99999 |
| S/N:Z9X00888-99999 |
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