When the filter kit doesn’t install side by side with fuel water separator, They are used as a first line of defence filtering water and particulates from diesel before it gets to the engine.
7/8” X 14
Caterpillar
10 SETS
CATERPILLAR 190-8977 162-2211 271-9835 ELECTRO AUTO 51G0054
206-5756=423-8524 filter + 371-3599 head
360-1693 , 252-1363 =371-3599 head +326-1643 filter+ 343-5527 bowl