U.S. Customers: Orders shipped from Canada may be subject to U.S. import duties, taxes, and/or tariffs as assessed by U.S. Customs and your carrier. These charges are not included in our product prices or shipping rates. You are responsible for any duties/tariffs/fees due on delivery or prior to delivery.
Packed and shipped within Canada!

Original & OEM Quality Parts

Mercury/Quicksilver
8M2003959

Quicksilver Mercruiser Oxygen Sensor - 8M2003959 - 710-8M2003959F1

LSN 710-8M2003959 MPN 8M2003959 UPC 745061810860 MFR Mercury/Quicksilver
Express
ON, Warehouse

"Express" items are automated and typically shipped out next available business day and delivered within 4 day.
In Stock
$190.94
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The O2 sensor is mounted in the exhaust manifold to monitor how much unburned oxygen is in the exhaust as the exhaust exits the engine. Monitoring oxygen levels in the exhaust is a way of gauging the fuel mixture. It tells the computer if the fuel mixture is burning rich (less oxygen) or lean (more oxygen).

Part #:710-8M2003959
Manufacturer:MERCURY/QUICKSILVER
Manufacturer Part #:8M2003959
UPC:745061810860
Order In Multiples Of:1
Vehicle TypeInboard/Sterndrive

Northern Marine Canada
Our products are shipped from Canada!
Parts Warehouse:
Toronto, Ontario, Canada
Head Office:
Kingston, Ontario

About Us

Northern Marine is a Canadian supplier of OEM and premium aftermarket marine and RV parts and accessories. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.