RACE & BEARING 7T9520 - Caterpillar

Engine:
C-15 (S/N: 9NZ1-UP)
C-16 (S/N: 7CZ1-UP)
C-18 (S/N: MDP1-UP)
C13 (S/N: KCB1-UP)
Description of Change: The new water pump groups incorporate an improved seal in the jacket water pump, which provides improved service life of the water pump groups.Adaptable To: The new water pump groups are direct replacements for the existing pump groups. The new water pumps are adaptable back to first production on the serial numbers listed above. Refer to Table 1 for information on which existing pump group is replaced by each of the new part numbers.
Table 1
Water Pump Groups    
New Part Number     Former Part Number    
137-3589     -    
137-3590     -    
352-0200     137-1339    
352-0201     284-4688    
352-0202     216-0657    
352-0203     135-4926    
352-0204     137-3367    
352-0205     293-0818    
352-0206     292-9252    
352-0207     330-6077    
352-0209     137-1338    
352-0210     137-3368    
352-0211     161-5719    
352-0212     135-4925    This change is effective for the serial numbers listed in Table 2.
Table 2
Effective Serial Numbers    
S/N:9NZ18856-UP    
S/N:7CZ5899-UP    
S/N:MDP1932-UP    
S/N:KCB94221-UP