Riffraff Diesel Technical Knowledge Center

Opti-Lube Winter Anti-Gel Diesel Fuel Additive

Opti-Lube Winter Anti-Gel Diesel Fuel Additive

Oct 16th 2026

Cold-weather diesel problems usually start at the fuel filter. As temperatures fall, paraffin wax naturally present in diesel, begins forming crystals. Once those crystals get large enough, they can r … read more