3 0 1993 Peterbilt 378 Cooling Assembly $79.95 USD Charge Air cooler Pipe 4", take off 1993 Peterbilt 378, Engine: CAT 3406C, ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number14399 MLS Number13727295CategoryCooling Assemblies (Rad., Cond., ATAAC) Last Updated8/21/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info