Poor diesel fuel quality can foul injectors, accelerate injector pump wear, lead to rough running, impede starting and cause cold-temperature stalling. AMSOIL diesel fuel additives effectively combat these issues and helps improve diesel engine performance.
AMSOIL Diesel Injector Clean
- Cleans dirty injectors
- Lubricates pumps and injectors to reduce wear
- Extends fuel filter life
- Improves fuel economy up to 8%
Helps Reduce Costs
Reduces downtime and maintenance costs
Extends fuel-filter life
Improves fuel economy up to 8%

AMSOIL Diesel Cold Flow
- Lowers cold filter-plugging point (CFPP) by up to 40°F (22°C)
- Enhances engine reliability in cold temperatures
- Fights gelling in cold weather
- Improves low-temperature startability
Helps Prevent Gelling
As the temperature drops, the wax naturaly found in diesel fuel begins to crystallize. The point at which wax crystals form is known as the cloud point. These wax crystals eventually clog the fuel filter and starve the engine of fuel, preventing it from starting.
Not available in Canada

AMSOIL Diesel Recovery
- Quickly dissolves gelled fuel
- Thaws frozen fuel filters
- Performs well in ULSD, off-road & biodiesel
- Alcohol-free and non-corrosive
Diesel Recovery quickly dissolves gelled fuel to allow the operator to continue driving with minimal downtime. Diesel Recovery separates the molecular bonds of wax crystals that have agglomerated in diesel fuel. It thaws frozen fuel filters and reduces the need for a new filter, saving money and preventing an inconvenient trip to an auto parts store.

AMSOIL Diesel Cetane Boost
- Increases cetane up to 8 points
- Delivers maximum horsepower
- Increases fuel economy
- Improves startability
Delivers confidence in your diesel’s performance. Concentrated formula uses unique chemistry to target and eliminate specific performance issues, maximizing diesel power.
AMSOIL Diesel Injector Clean + Cetane Boost
- Combines the superior detergency and improved lubricity of Diesel Injector Clean and the increased horsepower and cetane of Diesel Cetane Boost in one convenient package
Specially engineered to help defend your engine and fuel system against performance-robbing wear and deposits. Concentrated formula provides dependable protection in warm weather. One dose delivers outstanding detergency, improved lubricity and higher cetane.

AMSOIL Diesel 4-IN-1
- Combines the superior detergency and improved lubricity of Diesel Injector Clean, the excellent cold-flow and anti-gelling properties of Diesel Cold Flow and the increased horsepower and cetane of Diesel Cetane Boost in one convenient package, providing the full potency and benefits of all three products at an affordable price





