Quicksilver 8M2003959 Exhaust Oxygen Sensor for MerCruiser Sterndrives ADDFLUK3 When the trim tabs are

When the trim tabs are fully extended

0-7000RPM Range with hourmeter

On/off rocker switch

Auto-ID Technology

Manufacturer part number: 48-812949A02

Quicksilver 8M2003959 Exhaust Oxygen Sensor for MerCruiser Sterndrives ADDFLUK3 When the trim tabs areEngine exhaust oxygen sensor 8M2003959 is for use with MerCruiser sterndrive engines. See your owner's manual or service manual for specific applications and replacement instructions. Product Details Manufacturer part number: 8M2003959 For use with MerCruiser EC sterndrive engine applications Kit includes sensor and wire leads Easy to install with common shop tools Always use Quicksilver instruments with Mercury and Mariner outboards and MerCruiser