2000-2004 Porsche 986 Boxster Smog Pump / Secondary Air. This will only fit Boxsters with a manual transmission, so this will not fit cars with an automatic transmissions. The pump is in good working condition off of a fully running and driving car with 68k miles. You may need to reuse some of your existing hardware for installation. Please verify that the part number listed below matches the part you are replacing prior to purchase.