1372 Fuel System Fuel Cleaner / Water Separator, Twin. Classifiable Fuel System. Later Production Parts on group Fuel Cleaner / Water Separator, Twin. Classifiable Fuel System. Later Production: Pos. Part No Qty Parts name Comments 1. 877770 [1] Fuel filter Later prod 2. 838505 [2] O-ring 3. 846719 [6] Gasket 4. 5. 3838852 [2] Fuel filter insert 6. 3838851 [2] Bowl 7. 940094 [8] Hexagon screw 8. 952075 [2] Plug 9. 3827300 [1] Block 10. 3827299 [1] Manometer Parts catalog : Fuel Cleaner/ Water Separator, Single. Classifiable Fuel System Fuel Pump Fuel Filter, Components Fuel Filter, Alternative Location Fuel System, Alternative Mounting Fuel System Fuel Cleaner/ Water Separator Unit Injector