SIERRA Block Cover Gasket for Mercury/Mariner Outboards, 2-Pack – 18-2837-9

Description

SIERRA Block Cover Gasket for Mercury/Mariner Outboards, 2-Pack – 18-2837-9 is a two-pack of replacement block-cover gaskets for compatible Mercury and Mariner outboard powerheads.

The gasket cross-references several Mercury cover-gasket numbers used across selected production and performance/racing outboard applications, so serial-number verification is important.

Key Features

• Two block-cover gaskets per package
• Fits selected Mercury/Mariner outboard powerheads
• Used at the engine block-cover sealing surface
• Cross-references multiple superseded Mercury 27-series gaskets
• Suitable for service where the listed gasket profile is specified

Specifications

• Manufacturer Part Number: 18-2837-9
• Product Type: Block cover gasket
• Package Quantity: 2
• Application: Selected Mercury / Mariner outboards
• OE Family: Multiple Mercury 27-series references

Interchange / Cross Reference

• Mercury 27-31436
• Mercury 27-41382
• Mercury 27-66358
• Mercury 27-72918
• Mercury 27-78087
• GLM 31950

Verify engine serial number and exact gasket profile/OE number before ordering.