18-2443 Lower Sterndrive Unit For R MR Alpha Replaces OEM 1623-8951A43
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SIERRA18-2443 Lower Sterndrive Unit For R MR Alpha Replaces OEM 1623-8951A43

$2,139.99

Fulfilled from vendor
Model # 3735552 | Mfg # 18-2443UPC # 808282113834

Specs

18-2443 Lower Sterndrive Unit For R MR Alpha Replaces OEM 1623-8951A43

Name Value
Compatibility GLM 18100 ; Mercruiser Stern Drive 1623-4110A13
1623-4110A4
1623-4110A6
1623-5356A18
1623-5356A19
1623-5356A20
1623-5356A3
1623-8951A14
1623-8951A19
1623-8951A2
1623-8951A23
1623-8951A43
Type Lower Units

Product Overview

Sierra Marine engine parts are designed to meet or exceed the performance of the OEM part they are intended to replace—and are backed by one of the best warranties in the marine aftermarket parts industry.

This lower unit assembly is for MerCruiser sterndrive applications and is a direct replacement for the following parts: 

  • GLM: 18100
  • MerCruiser Stern Drive: 1623-4110A13, 1623-5356A3, 1623-5356A19, 1623-5356A18, 1623-5356A20, 1623-8951A2, 1623-8951A14, 1623-8951A19, 1623-4110A4, 1623-4110A6, 1623-8951A23, 1623-8951A43

Find the right part for your application.

For help in selecting the correct part for your engine application, please visit the Sierra Engine Parts Selector, where you can search by OEM part number, Sierra part number, Brand, Engine model, Year, Horsepower, or Serial number.

Purchase with confidence!

The Sierra engine parts we sell are backed by Sierra's Limited Customer Satisfaction Warranty—one of the best in the business. Sierra warranties their engine parts to be free of defects in workmanship and materials for the useful life of the product. Subject to limitations, if a Sierra product fails to comply with the Warranty, Sierra will repair or replace the defective product free of charge.

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