[Compatible With]: AC Compressor fits for 2003-2004 Expedition 4.6L V8, for 2003-2006 Expedition 5.4L V8, for 2003-2006 Navigator 5.4L V8. [OE Part Number]: 5W1Z19V703AA, YCC168, 6511472, 6511483, 6512652, 638588, 78540, 78588, 20-11023-AM, YC2483, YC2493, YC2510, YCC151, YCC161, YCC165, 2C2Z19V703BC, 2L1Z19V703CA, 3L2Z19V703AC, YCC222, 20-11516-AM, 98557, 3L2Z19V70, 2011023AM, 2011516AM, 0610073, 0610188, 2011575AM, 4718152, 010032, 010444, 010449, 638588, 638737, 638746, 140090NEW, 140190NEW, 1521155, 1521481, 1521486. Precision-engineered to match the exact original dimensions, ensuring a perfect fit. [A/C Compressor Specifications]: ?Material: Aluminum Alloy, ?Pulley Groove Quantity: ?PV, ?Pre-filled with Oil: Yes(No oil is needed for first use; adding too much may damage the product), ?Clutch Included in Package: Yes, ?Compressor Type: Vortex Type, ?Fitment Type: Belt Driven. [Efficient Cooling Performance]: Our AC compressor is designed to efficiently cool your vehicle's air conditioning system. It effectively compresses and circulates refrigerant to ensure consistent and refreshing airflow. Additionally, it optimizes energy efficiency, using less power and operating quietly, all while providing a comfortable driving experience. [Please Take Note]: Before making a purchase, please verify the compatible Makes, Models, and Years on our product page to ensure compatibility with your vehicle. If you need any assistance regarding the AC Compressor, we’re here to help.