HOSE AS 5066501 - Caterpillar

Table 1
Engine     Part Number of the Current Piston     Part Number of the New Piston     Piston Group    
C32 MEUI     247-7789     319-6716     239-6144    
C32 MEUI     247-7790     319-6717     213-4835    
C32 HEUI     236-1848     330-6090     235-1844    The new part numbers of the pistons are direct replacements for the current part numbers of the pistons. Refer to Table 1. The pistons are the only parts in the piston group that have changed. The new pistons can be installed in an engine that also has the current pistons in the other cylinders. The new pistons are adaptable back to the first production of the above listed engines.
Table 2
Effective Serial Numbers    
S/N:B2C00113-UP    
S/N:MED00167-UP    
S/N:REA02729-UP    
S/N:RND00236-UP    
S/N:RNE00106-UP    
S/N:SLT00240-UP    
S/N:SMP00194-UP    
S/N:SXC02529-UP    
S/N:SYC02488-UP    
S/N:T3T00105-UP    
S/N:TLD00281-UP    
S/N:XMJ00105-UP    The change is effective at the factory with the engines that are listed in Table 2.