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Overstock Deal Mercury & Mercruiser Tapered Forward Gear Bearing | Sierra 18-1197 Limited Stock [WCIUQEdL]

$28.99 $92.99 -69%

Mercury & Mercruiser Tapered Forward Gear Bearing The Sierra 18-1197 Gearcase Bearing is a high-quality replacement part designed specifically for Mercury and Mercruiser Tapered Forward Gear Bearings. This bearing is engineered to fit the Mercruiser

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Overstock Deal Mercury & Mercruiser Tapered Forward Gear Bearing | Sierra 18-1197 Limited Stock [WCIUQEdL]

Mercury & Mercruiser Tapered Forward Gear Bearing

The Sierra 18-1197 Gearcase Bearing is a high-quality replacement part designed specifically for Mercury and Mercruiser Tapered Forward Gear Bearings. This bearing is engineered to fit the Mercruiser Alpha I Gen II models from 1996-97, with serial numbers ranging from OF680000 to OK999999. It effectively replaces parts such as Mercury 31-828439A2 and Mallory 9-75119, ensuring compatibility and ease of installation. With Sierra's extensive experience in the marine industry, you can trust that this bearing is built to withstand the demands of marine environments.

Product Specifications and Benefits

Sierra Marine, with a 58-year history, offers reliable aftermarket parts for marine engines. The Sierra 18-1197 Gearcase Bearing is crafted with precision to provide optimal performance and durability. Its robust design ensures minimal friction and overheating, extending the life of your engine. The bearing is also designed to replace outdated parts, offering a cost-effective solution without compromising on quality.
  • Enhanced engine performance
  • Reduced maintenance costs

Practical Applications and Target Audience

Whether you're a seasoned boater or a new enthusiast, maintaining your boat's engine is crucial for a safe and enjoyable boating experience. The Sierra 18-1197 Gearcase Bearing is ideal for owners of Mercury and Mercruiser-powered boats looking to ensure their engines run smoothly. By replacing worn-out or damaged gearcase bearings, you can prevent potential engine damage and extend the life of your vessel.
  • Prevents engine damage
  • Extends boat engine life
With regular maintenance and the use of quality parts like the Sierra 18-1197 Gearcase Bearing, you can keep your boat in top condition and make the most of your boating adventures.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

This is very solidly constructed.

- Journee K..

January 27, 2026

Absolutely no complaints!

Very chic and highly functional.

- Javier S..

January 27, 2026

Absolutely no complaints!

This is a really good item.

- Angel W..

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