1 0 Cummins ISX Fuel / Water Separator for a 2016 Peterbilt 579 $281.30 USD Cummins ISX Fuel Filter Water Separator Housing For Sale - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere., Serial#: TBD,... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Stock NumberPT-0756-42 MLS Number11842407CategoryFuel / Water Separators Last Updated7/14/2025 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info