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
OEM 7.3 Powerstroke Fuel Filters for 1994-2003

OEM 7.3 Powerstroke Fuel Filters for 1994-2003

Sep 16th 2026

The 7.3 Powerstroke fuel filter is one of the cheapest parts on the truck, but it protects one of the most expensive systems. A restricted or poor-quality filter can reduce fuel pressure, cause rough … read more