FILTER-OIL 1194740 - Caterpillar

Marine Engine:
C-12 MARINE (S/N: K1M1-UP; 9HP1-UP)
C12 MARINE (S/N: NFL1-UP; C1Z1-UP)
Description of Change: A new o-ring and oil pan drain plug are now used on the engines that are listed above. The new o-ring and drain plug are superior to the present o-ring and drain plug at preventing oil leaks from the oil pan drains.Adaptable To: The new 121-0145 O-Ring Seal and 9X-6451 Drain Plug are a direct replacement for the two present o-rings and drain plugs on the 241-8177 Oil Pan Gp. The new 121-0145 O-Ring Seal and 9X-6451 Drain Plug are adaptable back to the first production of the listed engines.
Table 1
Effective Serial Numbers    
S/N:9HP02831-UP    
S/N:C1Z01871-UP    
S/N:K1M00186-UP    
S/N:NFL02006-UP    Torque for the 9X-6451 Drain Plug. 70 15 N m (52 11 lb ft)The change is effective at the factory with the engine serial numbers that are listed in Table 1.