RIM AS 3725705 - Caterpillar

Table 1
Effectivity of Piston Cooling Jet Tube Assemblies    
Engine Model     Effectivity of the 155-4010 Tube     Effectivity of the 155-4011 Tube    
G3406     S/N:1RK35-86
,
S/N:4FD422-1557
    S/N:1RK87-UP
S/N:4FD1558-UP
   
G3408     S/N:6NB1063-UP
S/N:6RJ35-UP
S/N:3WR480-UP
S/N:8YR812-UP
       
G3412     S/N:7DB853-UP
S/N:3NK111-UP
S/N:6ZM50-UP
S/N:9RR418-UP
       Any G3406 (S/N: 4FD1-1557; 1RK1-86) Engines that include gallery cooled pistons should use the 155-4010 Tubes. All G3408 and G3412 Engines that include gallery cooled pistons should use the 155-4010 Tubes. Table 2 lists the effectivity of gallery cooled pistons.
Table 2
Effectivity of Gallery Cooled Pistons    
Engine Model     Effectivity    
G3406     (S/N: 4FD442; 1RK35)    
G3408     (S/N: 6NB1063; 6RJ35; 3WR480; 8YR812)    
G3412     (S/N: 7DB853; 3NK111; 6ZM50; 9RR418)