This is an all new reproduction of the "Oakie" bushing for 1951-1954 Chevrolet passenger cars & 1/2 ton trucks. This unit replaces the front & rear torque tube bushings along with the seal. Made in the USA!! Replaces GM#'s 3694732, 3694761, 3694733 A worn drive shaft bushing causes annoying vibration and excessive wear to the drive shaft and universal joint. A worn seal permits the transmission fluid to drain back to the rear axle - overfilling the differential and causing the transmission to run dry. See also FS-125 U-joint gasket. Remove old front bushing and drive in new assembly. This bushing and seal assembly replaces both front and rear torque tube bushings and the drive shaft seal! Dimensions: ID AT SEAL END 1.071" * ID AT LARGE END 1.350"; OD AT SEAL END 1.750"; OD AT LARGE END 1.762" Overall Length 5-3/4"