BEARING-SLEEVE 1T0902 - Caterpillar

On-Highway Engine:
3406E (S/N: 1MM1-UP; 2WS1-UP)
C13 (S/N: LEE1-UP)
C15 (S/N: B5R1-UP; BXS1-UP; MXS1-UP; NXS1-UP; SDP1-UP)
C-15 (S/N: 6NZ1-UP)
Description of Change: Improved Starting Performance
New primary fuel filters and fuel filter bases are now available. The new fuel filters have several improvements that will improve starting. The new fuel filters improve starting by utilizing an internal stand pipe. The stand pipe addresses the following issues.
Air migration
Intermittent hard starting
Start and stall conditionsAdditional robustness was added with the positive seal between the filter and the base at the mounting stud. If your engine has a primary fuel filter that is mounted below the transfer pump you will have improved in starting performance.Adaptable To: Table 1 lists the part numbers for the new fuel filters. The D-Ring seal is shipped with the new fuel filters. The seal helps identify the newer fuel filters. Illustration 1 shows the new filter and the D-ring seal. The new filters are a direct replacement for the old fuel filters. The new fuel filters are adaptable to the engines that are listed above. The engines that are listed above have a primary fuel filter that is mounted parallel to the fuel transfer pump or mounted below the fuel transfer pump.
Table 1
New Filter (1)     Old Filter    
256-8753 Water Separator and Fuel Filter As     256-8753 Water Separator and Fuel Filter As    
326-1641 Water Separator and Fuel Filter As (2)     1R-0781 Water Separator and Fuel Filter As (3)    
326-1642 Water Separator and Fuel Filter As (2)     1R-0769 Water Separator and Fuel Filter As (3)    
( 1 ) The new fuel filter improves starting performance.
( 2 ) The O-ring is supplied with the fuel filter.
( 3 ) 326-4167 O-ring is required with the fuel filter.Note: Use the same part number of the new version of fuel filter base. The part number is 280-2698 Filter Base.
Illustration 1 g01576353
(1) 256-8753 Water Separator and Fuel Filter As packaged without the D-ring seal (2) 256-8753 Water