8 0 2004 Peterbilt 378 Cooling Assembly Recently Updated $1,500 USD Cummins ISX450, Radiator, charge air cooler and A/C condenser only. ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number15699 MLS Number13973027CategoryCooling Assemblies (Rad., Cond., ATAAC) Last Updated11/18/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
5 0 2004 Peterbilt 378 Cooling Assembly Newly Listed $124.95 USD Steel Coolant Pipe, 2 1/2" to 3" Diameter, Take off 2004 Peterbilt 389 with a Cummins ISX450 Engine, OEM# F66-6159 / F666159 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number15779 MLS Number13984583CategoryCooling Assemblies (Rad., Cond., ATAAC) Last Updated11/15/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
4 0 2004 Peterbilt 378 Cooling Assembly Newly Listed Contact for price Steel Coolant Pipe, 2 1/2" Diameter, Take off 2004 Peterbilt 378 with a Cummins ISX450 Engine, OEM# F66-6021 / F666021 ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number15771 MLS Number13984575CategoryCooling Assemblies (Rad., Cond., ATAAC) Last Updated11/15/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info
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 Updated10/19/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info