View 11 Photos View 0 Videos Isuzu 4HE1XS Intake Manifold for a 1999 Isuzu NPR-HD $100 USD Good, used intake manifold from a Isuzu 4HE1-XS engine. The intake manifold has been inspected and appears to be in good working condition. There is no visible damage to the intake manifold.... ConditionUsedFits To Make(s)IsuzuFits To Model(s)NPR-HDWill Fit Year(s)1999Part Number220312-16Stock Number220312-16 MLS Number11585963CategoryIntake Manifolds Last Updated6/13/2026 LocationKankakee, IL, US Sold ByRiver Valley Truck Parts (844) 604-___ SHOWNUMBERCall Seller Email Seller Save More Info