Performance Metals Navalloy® aluminium Mercruiser Alpha 1 Gimbal Housing Block used on Mercruiser Alpha 1 Gen I and Gen II outdrives. Replaces Mercury 821631Q 1.
This anode is manufactured to the military specification MIL-DTL 24779, making it suitable for use in all water types - salt, brackish or fresh. Mounting hardware and installation instructions are included with this product.
Note: Aluminium anodes are supplied as standard with Mercury and Mercruiser drives. Use of zinc anodes will invalidate the warranty.
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