12-volt electric diesel fuel transfer pump is safe for diesel fuel use. Simple 2 wire design, self priming, includes 100 micron in line filter. 4-7psi 35GPH, small universal design allows easy set and installation anywhere. Solid state worry free electronics, 12 volt negative ground systems only. Product Features:Solid-state worry free electronicsInternal pressure regulatingUniversal design allows for easy installationNo diaphragms or mechanical parts to wear outThey make an excellent fuel transfer pump