Part Number: 0A28415 (Hitachi travelstar 5k160 40gb 54) Part Number: 0A28416 (Hitachi travelstar 5k160 60gb 54) Part Number: 0A28417 (Hitachi) Part Number: 0A28419 (Used) Part Number: 0A-284-21 (Bearing) Part Number: 0A28692 (Hitachi travelstar 5k100 hts5410) Part Number: 0A288 (Stock) Part Number: 0A28840 (Hitachi travelstar 5k160 40gb 54) Part Number: 0A28843 (Hitachi travelstar 5k160 120gb 5) Part Number: 0A29000 (No description) Part Number: 0A29000EB-E (No description) Part Number: 0A2901A0 (In stock) Part Number: 0A292-0186-7 (Molding) Part Number: 0A29282 (Board)