PISTON 9W5459 - Caterpillar

Generator Set:
C18 MARINE GS (S/N: GBM1-UP; CYN1-UP; GEN1-UP)
Marine Engine:
3406E MARINE (S/N: 9WR1-UP)
C18 MARINE (S/N: WKB1-UP; PLE1-UP; CKH1-UP; C1J1-UP; GES1-UP; KJT1-UP; JKX1-UP)
C18 MARINE ENG (S/N: J2K1-UP)
Engine News SEBD9752, 26 December 2011, "New Turbocharger Oil Supply Line Is Used On Certain C18 and 3406E Commercial Engines ". Disregard this article. Refer to the article that follows.Description of Change: An improved tube is used on the engines that are listed above. The improved tube provides increased O-ring compression at the bolted joint, helping to eliminate engine oil leaks.Adaptable To: The improved lines are adaptable back to the first production of the engine. Refer to Table 1 for the proper part numbers.
Table 1
Turbo
Configuration     Lines Group
Part Number     Line Part
Number     O-Ring
Part Number    
Single     294-0105     205-9175     6J-2245    
Single     277-5797     277-5794     6J-2245    
Single     196-0220     196-0219     6J-2245    
Twin     196-0220
201-1518     196-0219
196-0218     6J-2245    
Twin     294-0105
201-1518     205-9175
196-0218     6J-2245    
Twin     313-5659
313-5660     269-1801
303-4163     6J-2245
8L-2746    The change is effective at the factory for the serial numbers that are listed in Table 2.
Table 2
Effective Serial Numbers    
S/N:9WR10674-UP    
S/N:C1J01136-UP    
S/N:CKH03278-UP    
S/N:CYN00790-UP    
S/N:GBM00586-UP    
S/N:GEN00285-UP    
S/N:GES00897-UP    
S/N:J2K00263-UP    
S/N:JKX01339-UP    
S/N:KJT00210-UP    
S/N:PLE00645-UP    
S/N:WKB00435-UP