Great Compatibility:

Fits for MR

Fits for Alpha One

Fits for Gen 1 Gen 2

Fits for All Mercury 3.0L

Fits for Mercury 2.0L, 2.4L, 2.5L w/o preloaded pin

For use on retainer part number: 8245191, 824519 1, 11-42632, 824519, 853651.

Powerful Functions:

Replaces for GLM # 90240.

Replaces for Sierra # 18-9842.

Replaces for Mercruiser # 91-43506T 91-43506.

Easily & properly removes & installs the threaded bearing retainer nuts under the water pump housing for Mercruiser Sterndrives Mercury Mariner outboard gearcases. Directly alternative to OEM part number both in quality and functions.

Premium Material:

Made of top quality steel

Heavy duty and precise built.

Prevent corrosion and rust

Impact resistance, sturdy and durable

Ensure long-term reliable service and performance.

Package Includes:

1 x Drive Shaft Bearing Retainer Wrench Tool