Diesel Cetane Boost

A performance concentrate that delivers maximum results

Raises the cetane number of diesel fuel up to seven points for maximum horsepower, increased fuel economy and easier starts in all diesel engines. AMSOIL Diesel Cetane Boost makes no sacrifices; it is purpose-built for diesel owners who demand maximum results.

Diesel Injector Clean

A performance concentrate that delivers maximum results

Removes performance-robbing deposits from diesel fuel injectors to restore horsepower and improve fuel economy. It is formulated for all types of diesel engines, including high-pressure common-rail designs. AMSOIL Diesel Injector Clean makes no sacrifices; it is purpose-built for diesel owners who demand maximum results.

Diesel Injector Clean + Cold Flow

A performance concentrate that delivers maximum results

Combines the superior detergency of AMSOIL Diesel Concentrate (ADF) and the excellent anti-gelling properties of AMSOIL Cold Flow Improver (ACF) in one convenient package, without sacrificing performance. Keeps injectors, rings and piston crowns lubricated and free of soot.

Diesel Cold Flow

A performance concentrate that delivers maximum results

Formulated with an advanced deicer to enhance fuel flow and help prevent fuel filter plugging in cold temperatures. AMSOIL Cold Flow Improver is formulated for a broad range of diesel fuels, including #1 diesel, #2 diesel, biodiesel and ultra-low-sulfur diesel (ULSD).

Diesel Recovery Emergency Fuel Treatment

AMSOIL Diesel Recovery quickly dissolves gelled fuel, thaws frozen fuel filters and reduces the need for a new filter, saving both money and an inconvenient trip to a parts store. Performs well in all diesel fuels, including ULSD, off-road and biodiesel. Cheap insurance against frozen fuel.