Mercury Marine MerCruiser Water Pump Gasket

This water pump gasket fits a wide range of Mercury and Mariner 2‑stroke and 4‑stroke outboards from 30–400 hp, as well as MerCruiser Alpha One Gen II sterndrives. Because fitment varies by model and serial number, always consult your owner’s or service manual for proper application and installation details.

Features

• Fits select Mercury and Mariner 2‑stroke and 4‑stroke outboards (30–400 hp)
• Compatible with MerCruiser Alpha One Gen II sterndrives (serial 0D436859 and newer)
• Gasket only — additional seals or gaskets may be required for full pump service
• Installs using common shop tools
• Refer to your service manual for exact fitment and instructions
• Manufactured to Mercury Marine OEM specifications for reliable performance

Product availability varies between locations, and some products are only available online. Please contact your nearest Martin Motor Sports here for availability.