Description
SIERRA Voltage Regulator (Ap-13397) – 18-5743.
Note: Black wire goes to engine ground
For: Mercury engines w/ 16 or 40 amp charging system (Years 1992-Present)
Sdc: 119.34
This is a special order item. Most special order items are shipped within 72 hours of ordering, however, some items are not in stock. We will let you know if the item is not available. Alternatively, you may call us at 1-866-473-0420.








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