D-SOL Multi-Functional Fuel Conditioner (Winter) | 1 Quart Bottle

Ultimate performance in every season. D-SOL Multi-Functional Diesel Fuel Conditioner is the premium, year-round solution for diesel fuel treatment—especially powerful in harsh winter conditions. Its cutting-edge formula not only prevents fuel gelling, but also protects against corrosion, cleans injector deposits, and includes a de-icer to stop filter plugging. Tested in heavy-duty fleet trucks and proven through multiple Cummins L10 injector deposit tests, it improves fuel economy, reduces emissions, and extends the life of pumps and injectors. With added benefits like enhanced fuel clarity, lubricity, and long-term storage stability, D-SOL keeps your diesel system running clean, smooth, and efficient—no matter the season.