3 0 Paccar PX-9 Front Engine Cover $125 USD Used PX9 / ISL 8.9L Front Timing Gear Cover P/N 3958112, Core Charge: 0.00 ConditionUsedPart Number3958112Stock Number175033 MLS Number13588238CategoryFront Engine Covers Last Updated10/1/2025 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info