Mercury - Harness/relay asy - 813939A2 MerCruiser 3.0L 100 Hour Kits It’s a small maintenance item

It’s a small maintenance item

It’s the sort of part seasoned boaters recommend because they’ve seen what happens when someone tries to save a few dollars and ends up paying more later

When pairing the MS-RA70NSX with a supported chartplotter or fish finder

applying extra downforce to drive the indestructible composite spike deeper into the sand

Fresh spark plugs sharpen throttle response

Mercury - Harness/relay asy - 813939A2 MerCruiser 3.0L 100 Hour Kits It’s a small maintenance itemHarness relay asy WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.