Choose an Engine Size for 2007 Chevrolet Silverado 2500 HD Classic WT 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 PanV8-6.0LV8-6.6L Diesel TurboV8-8.1L