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Sierra 118-2128 Center Socket for MerCruiser Alpha One Bravo Stern Drive

Manufacturer

Part Number

118-2128
Sale Price

$83.01

2 left at this price

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 118-2128 is a precision-engineered center universal socket designed for MerCruiser, OMC Cobra, and Volvo Penta stern drive applications. This critical drivetrain component connects the input yoke to the damper spline drive shaft, transmitting power through the stern drive system.

Key Features:

  • Premium aftermarket replacement that meets or exceeds OEM specifications
  • Direct replacement for MerCruiser part numbers 39383, 39383T, and 393831 (Rockwell)
  • Cross-references to Mallory 9-72403, OMC 912213, and Volvo Penta 3850813
  • Manufactured by Sierra International, trusted for over 6,000 marine parts
  • Precision-machined for reliable power transfer and long service life

Applications:

  • MerCruiser IA/IB/IC & EZ stern drives
  • MerCruiser MC-I, R, MR, Alpha One, and Gen II (Serial No. OL949778 and below)
  • MerCruiser Bravo (Serial No. OM111207 and below)
  • MerCruiser MC II & TS
  • All OMC Cobra stern drives
  • Volvo Penta stern drive applications

This center socket is engineered to deliver dependable performance in demanding marine environments, ensuring smooth power delivery from engine to propeller.

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