View 3 Photos View 0 Videos Paccar PX-9 Exhaust Manifold Recently Updated $350 USD Used PX9 / ISL 8.9L Exhaust Manifold C/N 6429620 with bolts - Part #: 6429620, Core Charge: 0.00 ConditionUsedStock Number175035 MLS Number13588245CategoryExhaust Manifolds Last Updated8/12/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info