Where is the fuel filter located on a 1990 Chevy 3500 454?

On a 1990 Chevy 3500 with a 454 engine, the fuel filter is typically located along the frame rail, near the fuel tank. It's usually mounted on the driver's side, just before the fuel line routes to the engine. To access it, you may need to raise the vehicle for better visibility and reach. Always ensure to relieve fuel pressure before attempting to replace the filter.