SEAL-O-RING 4Z8554 - 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.ReferenceRefer to Special Instruction, SEHS0275, "Larger Fuel Lines Are Now Available Which Will Lower Back Pressure In The Fuel System On Certain Articulated Trucks" for fuel dilution troubleshooting.
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:R9J01423-UP    
S/N:N9S00109-UP    
S/N:R9H00964-UP    
S/N:E9Y00207-UP    
S/N:N9Y00210-UP    
S/N:GKF00398-UP    
S/N:MEN00550-UP    
S/N:RAN00213-UP    
S/N:SDM00167-UP    
S/N:TAH00258-UP    
S/N:XAC00156-UP    
S/N:JGB01010-UP    
S/N:KLH00274-UP    
S/N:NNF00565-UP    
S/N:WTD00222-UP    
S/N:MCX00158-UP    
S/N:KHS00147-UP    
S/N:FJB00198-UP    
S/N:RGH00190-UP    
S/N:JAE00126-UP    
S/N:ETC00162-UP    
S/N:KFX00613-UP    
S/N:MPZ00829-UP    
S/N:MZW00221-UP    
S/N:SPG00224-UP    
S/N:TFG01136-UP    
S/N:WHZ00146-UP    
S/N:DGE00363-UP    
S/N:KCN00355-UP    
S/N:FKF00104-UP    
S/N:BZ200247-UP    
S/N:HPD00203-UP    
S/N:KBP00203-UP    
S/N:A9J00253-UP    
S/N:DNM00275-UP    
S/N:DP400002-UP    
S/N:DBK00132-UP    
S/N:HKK00140-UP    
S/N:NYY00130-UP    
S/N:WTA00112-UP    
S/N:WTL00002-UP    
S/N:WTE00112-UP    
S/N:WTP00107-UP    
S/N:DBF00176-UP    
S/N:WTB00143-UP    
S/N:WTM00107-UP    
S/N:DBW00349-UP    
S/N:LCT00116-UP    
S/N:WTC00165-UP    
S/N:WTN00104-UP    
S/N:KDH00260-UP    
S/N:RDR00319-UP    
S/N:T5A00120-UP    
S/N:23404005-UP    
S/N:23305010-UP    
S/N:23206018-UP    
S/N:H8M00503-UP    
S/N:A6D75002-UP    
S/N:A6J78003-UP    
S/N:BJ601260-UP    
S/N:BS600327-UP    
S/N:TAL02773-UP    
S/N:NPE00227-UP    
S/N:WXZ00250-UP    
S/N:GTZ09003-UP    
S/N:W7K02478-UP    
S/N:KRS00583-UP    
S/N:N8T00323-UP    
S/N:F9A00209-UP    
S/N:K1Y00380-UP    
S/N:88000601-UP    
S/N:Z4D00289-UP    
S/N:JEL00390-UP    
S/N:9TC76006-UP    
S/N:FCT01567-UP    
S/N:FMC00308-UP    
S/N:MLN02027-UP    
S/N:9PP75006-UP    
S/N:9SD00168-UP    
S/N:SBR77022-UP    
S/N:BWR00702-UP    
S/N:MB900104-UP    
S/N:B1L03161-UP    
S/N:B1M04533-UP    
S/N:LFF00348-UP    
S/N:TFF00668-UP    
S/N:LFH00002-UP    
S/N:TFH00151-UP    
S/N:T2800103-UP    
S/N:B1W00450-UP    
S/N:T4P00481-UP    
S/N:TFJ00144-UP    
S/N:T4R03047-UP    
S/N:T4S00377-UP