SIERRA Block Cover Gasket for Mercury 3-Cylinder Outboards, 2-Pack – 18-2504-9

Description

SIERRA Block Cover Gasket for Mercury 3-Cylinder Outboards, 2-Pack – 18-2504-9 is a two-pack of replacement block-cover gaskets for selected Mercury three-cylinder outboard powerheads.

This gasket family cross-references several superseded Mercury part numbers used on compatible three-cylinder engines, including specified 70 HP and 650 model families.

Key Features

• Two block-cover gaskets per package
• Fits selected Mercury three-cylinder outboards
• Cataloged for specified 70 HP / 650 model families
• Replaces multiple superseded Mercury cover-gasket numbers
• Used during block/valve-cover service

Specifications

• Manufacturer Part Number: 18-2504-9
• Product Type: Block cover gasket
• Package Quantity: 2
• Engine Family: Selected Mercury 3-cylinder outboards
• Typical Application: Specified 70 HP / 650 models

Interchange / Cross Reference

• Mercury 27-88449
• Mercury 27-74511
• Mercury 27-60310
• Mercury 27-76401
• GLM 32090

Verify engine serial number and the original block-cover gasket number before ordering.