Item specifics Condition: New Manufacturer Part Number:10S17F & 10S20F Interchange Part Number:451-1105, 451-1106, 440-822, 440-823 Brand:Aftermarket UPC:Does not apply INCLUDED: #8AN and #10AN fittings. 2 sealing washers. 2 O-rings. 2 stainless Steel Socket Head Cap Screw bolts Fit Denso 10S17F & 10S20F Compressors Note: Adapter will not work with compressor included with the Chevrolet performance #19155066 serpentine drive kit.