


❄️ Keep your diesel running smooth and clean, no matter the freeze!
Schaeffer Manufacturing Co.'s Diesel Treat 2000 Ultra Low Sulfur Winter additive is a premium 1-pint fuel enhancer designed to improve diesel engine performance in cold weather. It boosts fuel economy by up to 3%, prevents fuel gelling and freeze-up, protects against rust and corrosion, and reduces harmful emissions. Featuring the proprietary SynShield formula, it cleans injectors and meets DW10 specifications, making it ideal for all ultra low sulfur diesel fuels and biodiesel blends.

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