WASHER 9D9968 - Caterpillar

Engine:
C7 (S/N: JRA1-UP; JTF1-UP)
Marine Engine:
C7 MARINE (S/N: M7A1-UP; C7B1-UP; C7D1-UP; M7G1-UP; C7X1-UP)
Petroleum Engine:
C7 PETROLEUM (S/N: C7P1-UP)
Description of Change: Improved tolerances and internal process controls for the press force of the exhaust rocker arm insert give the rocker arm longer life.Adaptable To: The new improved 256-3832 Rocker Arm As is a direct replacement for the current 256-3832 Rocker Arm As .The new 256-3832 Rocker Arm As is adaptable back to the first production of the listed engines. The change is effective at the factory with the engine serial numbers listed in Table 1.
Table 1
Effective Serial Numbers    
S/N:C7X03010-UP    
S/N:C7B00377-UP    
S/N:C7P00242-UP    
S/N:JRA01019-UP    
S/N:JTF15439-UP    
S/N:M7A00521-UP    
S/N:M7G00381-UP    
S/N:C7D00303-UP