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Sierra 18-21005 Greasable Gimbal Bearing for MerCruiser Stern Drives

Manufacturer

Picture for manufacturer Sierra

Part Number

118-21005
5 reviews
Sale Price

$84.28

In Stock (5)

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Usually delivered within 2 days

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Product Details

The Sierra 18-21005 is a high-quality greasable gimbal bearing designed for MerCruiser stern drive applications. This genuine Sierra replacement bearing provides critical support for the stern drive assembly, ensuring smooth operation and protecting the universal joint and other propulsion system components.

Key Features:

  • Greasable design with pre-drilled grease port for easy maintenance
  • Requires zerk fitting on exterior of gimbal housing for greasing
  • Manufactured with premium components to meet or exceed OEM specifications
  • Made in USA with Sierra's quality standards
  • Direct replacement for multiple MerCruiser part numbers

Applications:

  • MerCruiser Alpha One Gen II (1998 and up)
  • All MerCruiser Bravo models (Bravo One, Two, Three, X, XR, XZ)

Replaces OEM Part Numbers: MerCruiser 30-862540A3, 30-879194A01, 30-862540T1, 30-862540A04, Mallory 9-72412

This bearing supports the stern drive and ensures proper alignment and smooth rotation of the drive assembly. Regular greasing through the external zerk fitting helps maintain optimal performance and extends bearing life. Special installation tools are required for proper installation and removal.

Thank for the prompt service.

Simple and easy.

The product was the cheapest at your site. I was happy the product shipped quickly and arrived exactly when I needed it. I'm very satisfied with your company!!!

Very user-friendly site. Great price.

The price on the battery was the best I had found and the battery shipped out the very next day after I ordered it. When the package arrived the box was beat up pretty bad, I believe the packing may be need to be strengthen some because you never know how the shipper is going to care for the package.

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