RING 4T5945 - Caterpillar

Marine Engine:
C32 MARINE (S/N: RSD1-UP; SDN1-UP)
C32 MARINE GS (S/N: DSJ1-UP; RTK1-UP)
Description of Change: The new hose is more durable to withstand higher temperatures, and oil leakage.Adaptable To: The new 438-9329 Hose replaces the existing 6V-1363 Hose. The new 438-9329 Hose is now used in the 399-7931 Fumes Disposal Filter Group, 399-7935 Fumes Disposal Filter Group, and 421-7468 Fumes Disposal Group. The new hose is adaptable back to first production on the serial numbers listed above. Refer to Table 1 and Table 2 for a list of part numbers needed to install the new 438-9329 Hose on the 399-7935 Fumes Disposal Filter Group, 399-7931 Fumes Disposal Filter Group, and 421-7468 Fumes Disposal Group.
Table 1
399-7935 Fumes Disposal Filter Gp    
New Part Number     Description     Quantity    
438-9329     Hose     91.4 cm (3 ft)    
195-8372     Clamp     2    
8M-2770     Clip-Loop     1    
Table 2
399-7931 Fumes Disposal Filter Gp & 421-7468 Fumes Disposal Group    
New Part Number     Description     Quantity    
438-9329     Hose    
91.4 cm (3 ft)    
195-8372     Clamp     2    
5K-6439     Clip-Loop     1    This change is effective for the serial numbers listed in Table 3.
Table 3
Effective Serial Numbers    
S/N:DSJ00108-UP    
S/N:RTK00103-UP    
S/N:SDN00214-UP    
S/N:RSD00120-UP