Diesel Fuel Protection

BioGuard Plus 6 includes a cocktail of different agents to keep your fuel supply contaminant-free, so your auxiliary diesel can run more smoothly. The primary ingredient is BioGuard7, a microbiocide that prevents bacteria, algae and other filter- and valve-plugging “bugs” from growing in your tanks.

Another component, Diesel Guard Supreme, is a multifunction additive that contains a stabilizer, moisture dispersant and corrosion inhibitor. Yet another component, VT 101, extends fuel pump and fuel injector life by helping lubricate these and the other components in your engine’s fuel system. From $39. ValvTect

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