0 0 2017 Paccar PX-9 Engine for a Peterbilt 337 $15,600 USD (USED) Paccar PX9 Warranty: 180 Day Parts Only Assembly#: GCEXH0540LAV Serial#: 73942272 Horsepower: 300 ConditionUsedAssembly NumberGCEXH0540LAVFits To Make(s)PeterbiltFits To Model(s)337Stock Number25886506 MLS Number13957156CategoryEngines Last Updated11/6/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info