Description

Mercury 180402 is a genuine OEM latch hook used on a wide range of small Mercury and Mariner outboard applications. Parts listings identify it as 180402 LATCH HOOK, and the fitment range strongly suggests it is used in cowl / latch assemblies where secure hood retention matters.

Key Features

• Genuine Mercury Marine / Quicksilver OEM part
• Part number 180402
• Identified as Latch Hook
• Small replacement hardware for selected outboard latch / cowl systems
• Lightweight OEM service part, commonly listed at about 0.03 lb in dealer inventory data.

Engine Compatibility
This latch hook is associated with many Mercury / Mariner small outboard families, including selected 6 HP, 8 HP, 9.9 HP, 10 HP, 15 HP, XR10, Marathon, Sea Pro, and Viking applications across multiple serial ranges. Exact fitment should always be confirmed by engine model and serial number before ordering.

Serial Number Fitment Notice
Please confirm compatibility in the Mercury Parts Catalog using your exact engine serial number before purchase. Mercury’s official catalog is organized by model and serial number for accurate parts lookup.

When This Part Needs Replacement
Replace this part when the original latch hook is bent, broken, worn, corroded, or no longer holds the cowl securely. Because it serves a retention role in the latch system, a damaged hook can lead to loose or poorly secured cowling fitment. This is a practical service inference based on the part name and application context.

Installation Notes
Install only the exact latch hook specified for the engine being serviced. Small latch components can vary by cowl design and serial range, so matching by part number and serial-number-based diagram is the safest approach.

Alternate / Superseded Part Numbers

• 180402
  No confirmed superseded part number was established from the sources reviewed.

Parts Desk Insight
Latch hardware is easy to overlook until the cowl stops closing or holding the way it should. Replacing a worn hook with the correct OEM part helps restore proper engagement and keeps the engine cover secured the way Mercury intended.

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