
Diesel Fuel System Kit
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Use AR6400-D Diesel Fuel System Cleaner and AR6500 Diesel Treatment to protect your engine, restore your diesel fuel system and boost performance. We recommend using AR6400-D every 5,000 miles and AR6500 in every tank of fuel.
Use AR6400-D at the first fill-up then use AR6500 at following fill-ups.
AR6400-D Diesel Fuel System Cleaner
One 12 oz bottle of AR6400-D treats 40 gallons of diesel fuel. Use every 5,000 miles or as required.
AR6500 Diesel Treatment
Standard: 1 oz (30ml) of AR6500 per 10 gallons of diesel.
Power Boost: 2 oz (60ml) per 10 gallons of diesel.