FINAL DRIVE GP 3V3128 - Caterpillar

Marine Engines:
3412E (S/N: 9KS1-UP; 9PW1-UP)
Description of Change: A new auxiliary sea water pump is now available for the above 3412E Marine Engines. The new auxiliary sea water pumps have the following improvements:
Improved silicone carbide water seal
New stainless steel retaining ringThese improvements are also available as a pump kit. These improvements increase durability and resistance to corrosion for an improved service life.Adaptable To: A new 212-7264 Auxiliary Sea Water Pump group replaces the former 147-7850 Auxiliary Sea Water Pump group. The new pump group has a new silicone carbide 212-7265 Seal (Water) that replaces the former 153-9120 Seal (Water). The new pump group also has a new stainless steel 212-9436 Retaining Ring (External) that replaces the former 5L-4019 Retaining Ring (External). These new parts are also available in the new 212-7266 Pump Kit as a replacement for the former 156-6895 Pump Kit. All requests for the former parts will be serviced with the new parts. All new parts are direct replacements. The part number for the former auxiliary sea water pump, the former pump kit, and the former water seal has been cancelled. Illustration 1 shows the new parts locations.
Illustration 1 g00840051
Components of the 212-7264 Auxiliary Sea Water Pump (1) 212-7265 Seal (Water) (2) 212-9436 Retaining Ring (External)Table 1 lists the new part numbers and the former part numbers.
Table 1
New Part Numbers and Former Part Numbers For The 212-7264 Auxiliary Sea Water Pump    
Description     New Part Number     Former Part Number    
Auxiliary Sea Water Pump     212-7264     147-7850    
Pump Kit     212-7266     156-6895    
Seal (Water)     212-7265     153-9120    
Retaining Ring (External)     212-9436     5L-4019