NOS. You are purchasing an outer tie rod end with the original factory packaging. This comes with a rubber dust boot and castle nut. Group # 6.233. Part # 5671128.
1957 Cadillac Models BEFORE Engine Number 023832*
*Engine Number or Engine Serial Number is located on the front of the right hand cylinder block between the generator and water pump, at right angles with the crankshaft. This number may also be stamped on the lubrication plate located in the left door lock pillar. The last 6 digits of this number will be the correct Engine Number to compare above.