CORE AS-AFTERCOOLER 2679441 - Caterpillar

Engine:
C15 (S/N: KRA1-UP; JEP1-UP; B5R1-UP; NXS1-UP)
C18 (S/N: EJG1-UP)
3406E (S/N: 4AS1-UP)
C-15 (S/N: C2A1-UP; EGH1-UP)
C-16 (S/N: W1A1-UP; 7CZ1-UP)
C-18 (S/N: CJP1-UP; MDP1-UP; MEP1-UP)
Industrial Engine:
C-15 IND (S/N: BEM1-UP)
C15 IND (S/N: JRE1-UP)
C-16 IND (S/N: BFM1-UP)
C18 INDUSTRIAL (S/N: WJH1-UP)
3406E IND (S/N: 6BR1-UP)
C15 INDUSTRIAL (S/N: JAS1-UP)
C27 INDUSTRIAL (S/N: TWM1-UP)
C32 INDUSTRIAL (S/N: TLD1-UP)
Marine Engine:
C18 MARINE GS (S/N: CYN1-UP)
3406E MARINE (S/N: 9WR1-UP)
C18 MARINE (S/N: WKB1-UP; PLE1-UP; CKH1-UP; C1J1-UP; GES1-UP; KJT1-UP; JKX1-UP; NAX1-UP; NAY1-UP)
C18 MARINE ENG (S/N: J2K1-UP; T2P1-UP)
C32 MARINE (S/N: RNC1-UP; RNR1-UP; T3T1-UP; RNY1-UP; RNZ1-UP)
Generator Set:
C15 PET GS ENG (S/N: PET1-UP)
C27 GEN SET (S/N: DWB1-UP)
C32 GEN SET (S/N: SXC1-UP)
GEN SET (S/N: B3G1-UP)
3406E GEN SET (S/N: 9NN1-UP; 8AZ1-UP)
3456 GEN SET (S/N: CCB1-UP; EPE1-UP; C1G1-UP; C3G1-UP; CAH1-UP; GHJ1-UP; C2T1-UP)
C15 GEN SET (S/N: PEC1-UP; C5E1-UP; C5H1-UP; C5L1-UP; NKL1-UP; X4R1-UP; CYY1-UP)
C18 GEN SET (S/N: C6C1-UP; G4C1-UP; STD1-UP; DKE1-UP; PEJ1-UP; NKK1-UP; STM1-UP; EKW1-UP)
C18 MARINE GS (S/N: GEN1-UP; MGS1-UP)
C32 MAR GS ENG (S/N: RNE1-UP; RNX1-UP)
Petroleum Engine:
C15 PETROLEUM (S/N: JDK1-UP)
C32 PE (S/N: B2C1-UP)
C32 PETROLEUM (S/N: SMP1-UP)
C18 PETROLEUM (S/N: MPE1-UP; WJW1-UP)
OEM:
C15I-TH35 (S/N: PBN1-UP)
Power Module:
C32 POWER MODUL (S/N: MED1-UP)
Engine News SEBD9569, 08 December 2008, "A New Outer Valve Spring is Now Used". Disregard the article. Refer to the following information.Description of Change: A new, improved spring is now used in production to extend the service life of the outer valve spring.Adaptable To: 247-9908 Spring is a direct replacement for the 211-3123 Spring .If a former spring is replaced with the new spring, Caterpillar recommends replacing all of the former springs on the cylinder head with the new outer valve spring.The new spring is adaptable back to the first production of the above listed machines.Refer to Table 1 for a list of effective serial numbers.
Table 1
Effective Serial Numbers    
S/N:4AS1216-UP     S/N:C5L2094-UP     S/N:JAS853-UP    
S/N:6BR1972-UP     S/N:PEC1-UP     S/N:C6C496-UP    
S/N:JDK127-UP     S/N:PEJ2-UP     S/N:7CZ4827-UP    
S/N:CAH452-UP     S/N:JEP1217-UP     S/N:PET34-UP    
S/N:8AZ1212-UP     S/N:CCB1208-UP     S/N:JKX18-UP    
S/N:PLE385-UP     S/N:9NN31-UP     S/N:CJP83-UP    
S/N:JRE9369-UP     S/N:RNC1013-UP     S/N:RNE38-UP    
S/N:9WR4247-UP     S/N:KJT107-UP     S/N:CYN586-UP    
S/N:B2C42-UP     S/N:CYY203-UP     S/N:KRA989-UP    
S/N:RNR16-UP     S/N:B3G72-UP     S/N:DKE7-UP    
S/N:MDP679-UP     S/N:RNX8-UP     S/N:B5R187-UP    
S/N:DWB1042-UP     S/N:MED77-UP     S/N:RNY28-UP    
S/N:BEM6673-UP     S/N:EGH42-UP     S/N:MEP105-UP    
S/N:RNZ8-UP     S/N:BFM2186-UP     S/N:EJG1381-UP    
S/N:MGS508-UP     S/N:SMP145-UP     S/N:C1G1409-UP    
S/N:EKW589-UP     S/N:MPE1-UP     S/N:STD107-UP    
S/N:C1J817-UP     S/N:EPE33-UP     S/N:NAX41-UP    
S/N:WKB188-UP     S/N:C2A382-UP     S/N:G4C3761-UP    
S/N:NAY123-UP     S/N:STM1349-UP     S/N:C2T282-UP    
S/N:GEN30-UP     S/N:NKK3-UP     S/N:SXC3577-UP    
S/N:C3G1294-UP     S/N:GES22-UP     S/N:NXS32958-UP    
S/N:NKL4-UP     S/N:T2P230-UP     S/N:C5E1798-UP    
S/N:GHJ528-UP     S/N:T3T158-UP     S/N:C5H841-UP    
S/N:J2K150-UP     S/N:PBN22-UP     S/N:TLD339-UP    
S/N:TWM982-UP     S/N:W1A733-UP     S/N:WJH5528-UP    
S/N:WJW74-UP     S/N:X4R323-UP     S/N:CKH00226-UP