PLUNGER 7B8207 - Caterpillar

Generator Set:
C18 (S/N: 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; P1N1-UP; P2N1-UP; GES1-UP; KJT1-UP; NAX1-UP; NAY1-UP)
C18 (S/N: J2K1-UP)
Petroleum Engine:
C-15 (S/N: Z2C1-UP)
C18 (S/N: MPE1-UP)
Description of Change: Improved hose assemblies are available for the replacement of the existing tube assemblies on certain water lines groups. The hose assemblies have an improved resistance to engine vibration.Adaptable To: Auxiliary Water Pumps that Are Used on Commercial Engines
The new 348-6657 Hose is available to replace the existing 193-2444 Tube As on the following groups that are used on Commercial Engines that do not have a keel cooler: 252-5812 Water Lines Gp, 252-5813 Water Lines Gp, 216-8387 Water Lines Gp, 290-3994 Water Lines Gp and 201-1400 Water Lines Gp. Refer to Illustration 1.
Illustration 1 g02027054
(1) 350-3558 Elbow (2) Two 144-0367 Hose Clamps (3) 348-6657 Hose (4) Two 8T-4984 Hose Clamps (5) 350-3565 Tube As In order to install the new 348-6657 Hose on Commercial Engines that are equipped with a keel cooler, only one clamp is utilized on each end of the hose. Refer to Table 1 for the list of parts that are used. This includes the 240-9044 Water Lines Gp and the 309-0104 Auxiliary Fresh Water Lines Gp.
Table 1
New Part Number     Description     Quantity    
144-0367     Hose Clamp     1    
348-6657     Hose     1    
8T-4984     Hose Clamp     1    
350-3565     Tube As     1