Where is oil pressure sending unit on 2006 Chevrolet Avalanche Z71 V8?

The oil pressure sending unit on a 2006 Chevrolet Avalanche Z71 V8 is located near the rear of the engine, on the driver's side, above the oil filter. It's typically found on the engine block, close to the oil pressure gauge in the dashboard. To access it, you may need to remove some components for better visibility and reach.