1 0 2007 Peterbilt 386 Charge Air Cooler (ATAAC) $350 USD air to air for 2007 peterbilt 386, cummins engine $350 with core exchange 7e778 621c, Engine Make: Cummins, Engine Model: ISX ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2007Part Number7e778 621cStock Number556 MLS Number10681749CategoryCharge Air Coolers (ATAAC) Last Updated5/19/2023 LocationWinger, MN, US Sold ByLucken Trucks and Parts (833) 637-___ SHOWNUMBERCall Seller Email Seller Save More Info