Sierra

SIERRA Mercury/Mariner 50-60 HP 3-Cylinder Powerhead Base Gasket – 18-0139

Powerhead-to-exhaust-plate gasket for applicable Mercury/Mariner 50-60 HP 3-cylinder outboards; replaces 27-76589, 27-78623 and 27-88451/27-884511.

CAD $19.99

In Stock

U.S. & International Orders
We ship worldwide from Vancouver, Canada. Any applicable import duties, taxes, tariffs and brokerage charges are displayed at checkout. No additional import fees will apply unless we contact you before shipment.

SKU SIE-18-0139 Categories Engine & Propulsion, Engine Parts Tags 27-76589, 27-78623, 27-884511, 3 Cylinder, 50 HP, 60 HP, GLM 31980, Mallory 9-60059, Mariner, Mercury, Powerhead Base Gasket Brand: Sierra

Description

SIERRA Mercury/Mariner 50-60 HP 3-Cylinder Powerhead Base Gasket – 18-0139

A replacement powerhead base / powerhead-to-exhaust-plate gasket for selected Mercury and Mariner 50-60 HP three-cylinder outboards.

For specified Mercury/Mariner 50-60 HP 3-cylinder applications
Seals the powerhead-to-exhaust-plate interface
Reported application serial range 6428681 through B122929
Replaces several superseded Mercury gasket numbers
Cross-references to GLM 31980 and Mallory 9-60059

Confirm the serial range and OEM number before ordering; Mercury used multiple gasket configurations across similar horsepower families.

Specifications

Part number: 18-0139
Component: Powerhead base / exhaust-plate gasket
Application family: Mercury / Mariner 50-60 HP 3-cylinder
Reported serial range: 6428681-B122929

Interchange / Replaces

Mercury Marine: 27-76589, 27-78623, 27-88451, 27-884511
GLM: 31980
Mallory: 9-60059

Additional information

Weight	1 kg
Dimensions	25 × 10 × 10 cm
Country of Origin	US
HS Code	48239000

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