3 0 Cummins ISX15 Valve Cover for a 2022 Peterbilt 579 Contact for price X15 Engine Valve / Top Cover for sale, Used. P/N: 4059375, 3680897. Call, Text or Email for more information. We ship everywhere., Serial#: 80238929 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2022Part Number4059375, 3680897Stock NumberPT-0900-41 MLS Number13905319CategoryValve Covers Last Updated10/17/2025 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info