00045A for Mercruiser Alpha 1 Gimbal Housing Block — Replaces Mercury 821631Q1

Protect your Mercruiser outdrive from corrosion with the 00045A aluminum gimbal housing block anode. Designed as a replacement for Mercury 821631Q1, this precision-fit anode provides reliable corrosion protection in saltwater, brackish water, and freshwater.

Made from Navalloy® aluminum alloy and manufactured in the USA to MIL-DTL-24779, the 00045A is designed for dependable corrosion protection during routine outdrive maintenance.

Key Features

• Aluminum gimbal housing block anode for Mercruiser Alpha 1 outdrives
• Replaces Mercury 821631Q1
• Fits Mercruiser Alpha 1 Gen I and Gen II outdrives
• Navalloy® aluminum alloy for protection in saltwater, brackish water, and freshwater
• Manufactured in the USA to MIL-DTL-24779
• Precision-fit replacement for routine maintenance and corrosion protection

Specifications

• Material: Navalloy® aluminum alloy
• Application: Mercruiser gimbal housing / outdrive
• Water Types: Salt, brackish, fresh
• OEM Replacement: Mercury 821631Q1
• Manufacturing Standard: MIL-DTL-24779
• Weight: 0.7 lb (0.3 kg)

Compatibility

Fits:

• Mercruiser Alpha 1 Gen I outdrives
• Mercruiser Alpha 1 Gen II outdrives

Includes

• 00045A aluminum gimbal housing block anode — Qty. 1
• Mounting hardware
• Installation instructions

Find Your Mercruiser Anodes

Need help identifying the correct anode or finding where your anodes are located? See our Mercruiser Anode Locations guide for helpful information on anode placement and replacement.