BASE AS-OIL FILTER 7C5471 - Caterpillar

Engine:
3512B (S/N: PWG1-UP; 3ZW1-UP)
Description of Change: New high temperature hardware is used in order to improve the joint between the turbocharger and the exhaust manifold.Adaptable To: The following turbocharger groups have been improved:
146-3739 Turbocharger Gp
207-1352 Turbocharger Gp
253-6223 Turbocharger Gp
145-7984 Turbocharger Gp Table 1 lists the new parts and the former parts for the turbocharger groups.
Table 1
Former Parts and New Parts    
Former Part     New Part     Description     Quantity    
2N-2766     310-2233     Full Nut     8    
269-0187     300-8579     Bolt     8    
173-2090     298-6389     Spacer     8    
8C-8491     284-0753     Washer     8    The improvements are adaptable to the engines that are listed above. Serial number effectivity is listed in Table 2.
Table 2
Serial Number Effectivity    
Sales Model     Serial Number    
3512B     S/N:3ZW00859-UP    
3512B High Displacement     S/N:PWG00203-UP