Schaeffer's Diesel Treat 2000 Ultra Low Sulfur Winter Premium - 0137ULSW Lock Nut Off-corner loading design on box

Off-corner loading design on box end provides better grip and reduces fastener rounding

It is compatible with Class I & II hitches

Superior cold weather startability and operating characteristics

Protects the water heater from flying insect nests

LED state of charge display

Schaeffer's Diesel Treat 2000 Ultra Low Sulfur Winter Premium - 0137ULSW Lock Nut Off-corner loading design on boxOptimizes performance and fuel economy up to 3% Controls moisture and de ices Lowers cold filter plugging point Powerful protection against rust and corrosion Reduces emissions, exhaust smoke and particulates 16 OZ Schaeffer's 0137ULSW 042S