IDLER GP-FRONT 6W5557 - Caterpillar

Generator Set:
C18 MARINE GS (S/N: GBM1-UP; GEN1-UP; MGS1-UP)
Marine Engine:
C18 MARINE (S/N: PLE1-UP; CKH1-UP; GES1-UP; JKX1-UP)
C18 MARINE ENG (S/N: T2P1-UP)
Description of Change: The new improved exhaust manifold removes the chance of coolant leaks due to vibration.Adaptable To: The 388-3721 Manifold is a direct replacement for the 193-2246 Manifold on the 201-2087 Exhaust Manifold Gp and the 320-7495 Exhaust Manifold Gp. The new 388-3721 Manifold is adaptable back to the first production of the listed engines.The change is effective at the factory with the engine serial numbers that are listed in Table1
Table 1
Effective Serial Numbers    
S/N:CKH03278-UP    
S/N:GBM00804-UP    
S/N:GEN00270-UP    
S/N:GES00995-UP    
S/N:JKX01586-UP    
S/N:MGS00592-UP    
S/N:PLE00645-UP    
S/N:T2P01996-UP