Description Genuine Sierra Marine Heavy-Duty Replacement U-Joint Part Number: 18-2174Primary OEM Replacement: MerCruiser 75832A3Condition: New in Original Factory Box Pack Size: Standard 1-PackEnsure dependable power transfer and eliminate drivetrain harshness with this authentic Sierra heavy-duty universal joint. Manufactured with precision-ground journals and robust seals to withstand grueling marine workloads, this component meets strict factory standards for fit and longevity.Factory Specifications & Fitment Data:Directly replaces MerCruiser Part Number 75832A3. Stamped directly on the manufacturing label for verified fitment on the following drive systems:MerCruiser Alpha 1 Units: Validated for Serial Number B418819 and above MerCruiser Alpha I SS MerCruiser Bravo Drives: Specifically designed for Rockwell style configurations

Condition Details:New Old Stock (NOS): Item is completely new, uninstalled, and pristine inside its original factory box.Note: The external cardboard package shows minor cosmetic handling/shelf wear as depicted in the actual listing photos.Shipping & Packaging:Safely secured and cushioned inside a sturdy shipping box to avoid needle-bearing damage.Ships promptly with tracking uploaded immediately to eBay.