Choose an Engine Size for 2005 Chevrolet Silverado 2500 Use the links below to find the right magnetic drain plug for your vehicle. Allison 1000 Transmission Drain PlugDuramax Fuel Bleeder ScrewDuramax Oil Pan - Banana PanFront and Rear DiffsV8-6.0LV8-6.6L Diesel TurboV8-8.1L