Supplemental fuel processors combine a fuel filter, water separator and heater all in one unit and are designed for severe conditions like extreme cold. Photo: Cummins Filtration Where’s the value in ...

Oil filtration media have at least two layers in practice, but typically three or more. Porous filtration materials like cotton, polyester, and non-woven fiberglass fabrics segregate particles from a ...

Some mechanics might try to sell you a new air filter, claiming a clogged one will hurt gas mileage, but for most customers, ...