Dana engineering-approved for fit, form and function. 2003 Isuzu Ascender Engine: 5.3L V8;. 2004 Isuzu Ascender Engine: 5.3L V8;. Part Type: Fuel Injection Throttle Body Mounting Gasket. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.
