ROD ASSEM. 1S9873 - Caterpillar

Engine:
3612 (S/N: 9RC1-UP)
3616 (S/N: 1PD1-UP; RMN1-UP)
Description of Change: A new exhaust bellows is used on the above 3600 Engines. The bellows use steel that is manufactured from a process that increases the ductility of the steel. The improved bellows are more resistant to cracking.Adaptable To: The 145-9213 Bellows As has been cancelled and replaced by the 222-4713 Bellows As. The new bellows are adaptable to the Engines that are listed above. Table 1 lists the applicable part numbers and the serial number effectivity for the new bellows.
Table 1
Exhaust Manifold Group     Former Part Number     New Part Number     Serial Number Effectivity    
161-2529 Exhaust Manifold Gp     145-9213 Bellows As     222-4713 Bellows As     S/N:1PD00397-UP    
174-9248 Exhaust Gp     S/N:9RC00394-UP
S/N:RMN00107-UP