Mercury Outboard OEM Parts and Diagrams

Find OEM Mercury Marine outboard parts, factory replacement components, and exploded parts diagrams. As a factory-authorized stocking dealer since 1977, we ship in-stock OEM parts directly from our inventory. Open the parts lookup by serial number or browse a catalog below to find parts for your engine.

Mercury 150 FourStroke outboard cutaway showing engine and gearcase components

Lookup by Engine Serial Number

Mercury organizes parts by serial-number range rather than calendar year. Use your engine serial number to find the correct parts diagrams for your Mercury outboard.

Find Parts by Serial Number

Locate your serial number on the transom bracket or engine block identification tag.

Outboard Parts Catalogs

Mercury Outboard Parts Diagrams Lookup 

Browse OEM parts diagrams and genuine Mercury parts for FourStroke, Verado, Pro XS, OptiMax, Avator, and SeaPro outboards.

Catalog coverage can overlap. Use your serial number for the most accurate match.

Mercury Outboard Parts Diagrams Lookup (Legacy catalogs )

Use this catalog for older Mercury and Force outboards, including 2-stroke and 4-stroke carbureted or EFI models and Verado not found in the current catalogs.

Catalog coverage can overlap. Use your serial number for the most accurate match.

Common Outboard Maintenance & Replacement Parts

Looking for Thermostats, Gaskets, or Internal Engine Parts?

Thermostats, gaskets, and internal engine parts vary by engine model and serial-number range. Use our Mercury Serial Number Lookup to find the correct parts diagrams for your outboard.

Open Mercury Parts Lookup