Brand new. Never installed. Pinion # 10394-62-3 or 3740874GM 10 teeth. Bearing included Gear: 39 teeth. 3697702-10-30-4-62GM. gears are for the eaton rears in '48-'62 Chevrolet trucks. That was specific to the eaton truck rears. . I have had it stored for years. 208-455-2270 or 208- 250-5313