00380A Mercury Trim Tab Anode 25–50 HP — Replaces 822157T 2, Navalloy® Aluminum, Saltwater, Brackish & Freshwater
00380A Mercury Trim Tab Anode 25–50 HP — Replaces 822157T 2, Navalloy® Aluminum, Saltwater, Brackish & Freshwater
Protect your Mercury 25–50 HP outboard with the 00380A Navalloy® aluminum trim tab anode. Designed as a replacement for Mercury 822157T 2, this precision-fit anode provides reliable corrosion protection for your outboard's trim tab and lower unit in salt, brackish, and fresh water.
Made in the USA from Navalloy® aluminum alloy to MIL-DTL-24779 military specification, the 00380A provides effective corrosion protection across a wide range of water conditions. Mercury outboards use aluminum anodes for this reason, and this replacement meets Mercury factory requirements without compromising warranty coverage.
Key Features
- Navalloy® aluminum trim tab anode for Mercury 25–50 HP outboards
- Replaces Mercury 822157T 2
- Provides corrosion protection for the trim tab and lower unit
- Performs reliably in salt, brackish, and fresh water
- Made in the USA to MIL-DTL-24779 specification
- Meets Mercury factory requirements
- Aluminum provides effective protection where zinc may become inactive in freshwater
- Includes required mounting hardware
Specifications
- Material: Navalloy® aluminum alloy
- Application: Mercury 25–50 HP outboards
- OEM Replacement: Mercury 822157T 2
- Water Types: Salt, brackish, fresh
- Manufacturing Standard: MIL-DTL-24779
- Weight: 0.6 lb (0.28 kg)
Includes
- 00380A aluminum trim tab anode — Qty. 1
- Mounting hardware
- Installation instructions
Need help identifying the correct anode or finding its location on your outboard? See our Mercury Anode Locations guide for helpful information on anode placement and replacement.

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