Sierra Mercury Sterndrive & Outboard Driveshaft Roller Bearing (S-18-1143)

Sierra Mercury Sterndrive & Outboard Driveshaft Roller Bearing

Sierra
SKU:
S-18-1143
$117.94
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Description

18-1143 - Mercury Sterndrive & Outboard Driveshaft Roller Bearing

18-4443 is a bearing cup cone used in various Mercruiser sterndrive models. This component is essential for supporting the upper driveshaft, ensuring smooth operation and longevity of the sterndrive system.

Suits Mercruiser Sterndrive Models

  • Alpha One, Alpha One Gen II, MR, R, MR/Alpha One Gen II (serial numbers 0K999999 and below), 120, 140, 160, 175, 200, 225, 233, 250, 260, 470, 485, 888, 898

Replaces

  • GLM: 21580
  • Mallory: 9-75107
  • Mercruiser Stern Drive: 31-36387A1
  • Mercury Marine: 31-36387A1, 31-8M0146566