Where is the fuel filter on a 2005 Dodge Ram 2500 SLT Diesel?

On a 2005 Dodge Ram 2500 SLT with a diesel engine (likely a Cummins), the fuel filter is located on the frame rail, near the driver's side rear of the engine. It's usually a cylindrical canister, and often requires special tools for removal and servicing (due to the need to prime the system afterwards). It’s a good idea to consult a repair manual specific to your truck’s engine (e.g., 5.9L Cummins or 6.7L Cummins) for precise location and removal/installation instructions.