Diesel Guard Supreme Plus High Performance Diesel Additive will help keep your boat's diesel engine free of fuel caused issues. Diesel Guard Supreme Plus High Performance was developed especially for heavy duty marine diesel engines to prevent and solve fuel related problems. Created to prevent and solve problems including those caused from the use of ultra-low sulfur and biodiesel.
Diesel Additive exceeds DW-10 & XUD-9 performance specifications for clean-up & prevention of injector deposits
Prevent formation of sludge that plugs filters
Greatly extend life of injectors; pumps & fuel filter
Disperse water; clean and lubricate pumps & injectors