CONNECTOR 6V8640 - Caterpillar

Generator Set:
C18 (S/N: DDS1-UP; GBM1-UP; CYN1-UP; GEN1-UP; MGS1-UP)
Marine Engine:
3406E (S/N: 9WR1-UP)
C15 (S/N: RLA1-UP)
C18 (S/N: WKB1-UP; PLE1-UP; CKH1-UP; C1J1-UP; GES1-UP; KJT1-UP; JKX1-UP; NAX1-UP; NAY1-UP; J2K1-UP; T2P1-UP)
Petroleum Engine:
C-15 (S/N: Z2C1-UP)
C18 (S/N: MPE1-UP)
Description of Change: The new auxiliary sea water pump groups have an improved seal.Note: The coolant used in treated water applications must be maintained as specified in Operation and Maintenance Manual, SEBU6251, "Cat Commercial Diesel Engine Fluids Recommendations".Adaptable To: The new 391-2227 Auxiliary Sea Water Pump Gp is a direct replacement for the following pump groups: 340-7732 Auxiliary Sea Water Pump Gp, 276-5906 Auxiliary Sea Water Pump Gp and 193-9234 Auxiliary Sea Water Pump Gp. The new pump group is adaptable back to first production on the serial numbers listed above.Note: Serviceable parts will no longer be available for the former 340-7732 Auxiliary Sea Water Pump Gp, 276-5906 Auxiliary Sea Water Pump Gp, and 193-9234 Auxiliary Sea Water Pump Gp once all serviceable parts stock has been exhausted.This change is effective for engine serial numbers listed in Table 1.
Table 1
Effective Serial Numbers    
S/N:T2P2035-UP    
S/N:GPS908-UP    
S/N:GES981-UP