PUMP GP-PISTON 1946800 - Caterpillar

ReferenceSpecial Instruction, REHS3007 for concerns of fuel dilution.If fuel dilution levels are above 6 percent and viscosity is below the limits outlined in Table 1 from Special Instruction, REHS3007, the injectors should be checked against the affected serial number ranges listed in Table 2.Note: Most Cat® engines are shipped with 10w30 engine oil.
Table 2
Injectors    Serial Number Range    
EI500     5E0124787253 to 5E0130641267    
MEUI C     6C002610099E to 6C003015607D    
MEUI C     5C00247383B5 to 5C00280258F2    
EI400     428911JG to 442871JH    This change is effective on the serial numbers listed in Table 3.
Table 3
Effective Serial Numbers    
S/N:B5Z00573-UP    
S/N:HRA02183-UP    
S/N:PDY00161-UP    
S/N:A5Z00513-UP    
S/N:DH400679-UP    
S/N:KWJ04384-UP    
S/N:N3F01199-UP    
S/N:NH300528-UP    
S/N:NH400223-UP    
S/N:PDJ00158-UP    
S/N:PDN00163-UP    
S/N:RRA09141-UP    
S/N:X3F00002-UP    
S/N:X3M00573-UP    
S/N:LDN01599-UP    
S/N:MG200156-UP    
S/N:N5F00628-UP    
S/N:AT400002-UP    
S/N:EGG00104-UP    
S/N:JFJ00002-UP    
S/N:RAM00242-UP    
S/N:T4Z00421-UP    
S/N:WJC00226-UP    
S/N:NST00145-UP    
S/N:SDK00293-UP    
S/N:TLD83002-UP    
S/N:N1B00284-UP