PIN 9D0050 - Caterpillar

Engine:
C13 (S/N: KWJ1-UP)
Industrial Engine:
C11 (S/N: HRA1-UP; GLS1-UP)
C13 (S/N: RRA1-UP; LGK1-UP)
Petroleum Engine:
C11 (S/N: B5K1-UP)
Petroleum Power Train Package:
CX31-P600-C13I (S/N: PDN1-UP)
TH35-C11I (S/N: PBZ1-UP)
Description of Change: The improved new intake valve rocker arm utilizes a new insert that is designed not to flex, which increases the service life of the button.
Illustration 1 g03272236
(1) The new 385-5474 Rocker Arm As (2) New insert (3) ButtonAdaptable To: The new 385-5474 Rocker Arm As is a direct replacement for the existing 261-2291 Rocker Arm As. The new rocker arm assembly is adaptable back to first production on the serial numbers listed above.This change is effective for the serial numbers listed in the Table 1.
Table 1
Effective Serial Numbers    
S/N:B5K00188-UP    
S/N:GLS04200-UP    
S/N:HRA01170-UP    
S/N:PBZ00002-UP    
S/N:KWJ01882-UP    
S/N:LGK23645-UP    
S/N:PDN00158-UP    
S/N:RRA03872-UP