Schaeffer's 5540 Extreme Marine 4-Stroke Inboard Outboard Full Synthetic Engine Oil 168 Regular use of CLEAR VIEW

Regular use of CLEAR VIEW will extend the life of all see through plastics

Fully discharged battery recovery function

And it’s not just for powerboats - sailboats love it too: it speeds up sailboat keel removal

The MPPT WireBox fits over the base of Victron MPPT Solar Charger and provides an extra level of safety

Schaeffer's 5540 Extreme Marine 4-Stroke Inboard Outboard Full Synthetic Engine Oil 168 Regular use of CLEAR VIEWHigh performance, full synthetic inboard outboard boat oil that protects engines from the effect of rust, corrosion, friction and wear. Whether its for work or play, your boat needs to be ready when you need to be out on the water. Our Extreme Marine 4 Stroke Inboard Outboard Full Synthetic Engine Oil 20W 40 provides that reliability. Extreme Marine 4 Stroke Inboard Outboard Full Synthetic Engine Oil increases engine efficiency so you can get more