Mercury Outboard 1963 400 450 500 40hp 45hp 50hp Rectifier 25571A2 32970A1 Engine Mounts Item Details Includes the top

Item Details Includes the top and front frame supports

Mercury- Wizard Relation

Your Connections should looks just like this

Sierra 18-1997-1

with some sort of brown stain near the hub

Mercury Outboard 1963 400 450 500 40hp 45hp 50hp Rectifier 25571A2 32970A1 Engine Mounts Item Details Includes the topItem Details & Compatibility Removed from a 1963 Mercury 50hp 500E 4cyl (Serial Number: 1553XX8 I can't read some of the numbers) Rectifier & Bracket Assembly Might be compatible with other outboards & horsepowers from this time period. If you are unsure please contact me or consult your outboards parts manual. Notable Part Number(s) 25571A2 Rectifier Assembly >32970A1 (superseded) 25897 Rectifier Mounting Bracket Condition Notes Freshwater used parts