Confused About Diesel Oil? We’ll help you

Your diesel truck is a serious investment – don’t skimp on protection. AMSOIL manufactures the best diesel oils on the market, providing the ultimate protection for your hard-working diesel engine, preserving the horsepower you crave and keeping you on the road.

We engineer our synthetic diesel oils with the same passion and pride you put into your turbodiesel, providing protection you can depend on in the most severe operating conditions.

Do you want extra engine protection?

Excessive wear to diesel cylinder liners and rings leads to increased oil consumption and loss of compression, reducing horsepower and fuel economy.

AMSOIL delivers rock-solid wear protection you can rely on.

Do you tow or haul?

Operating at up to 150,000 rpm in temperatures that exceed 1,000°F (538ºC), a turbocharger on a stock engine can dish out a lot of punishment to your oil.

If it’s not formulated to take the beating, the oil can break down, creating deposits and wear.

For some, stock engines don’t provide enough power, but dropping a tune on your engine puts even more stress on both your turbo and your oil.

Here again, AMSOIL delivers.

When you push the Turbo in your diesel, we'll provide the extra protection.

Do you store your vehicles and equipment?

Intermittent use, prolonged storage, humidity and short drives can lead to the development of rust and corrosion, causing major damage to diesel engines.

Come of the better known diesel oils offer little rust protection if any.

Do you drive in hot temperatures?

AMSOIL synthetic diesel oils resist thermal (heat) breakdown better than conventional and competing synthetic diesel oils, effectively retaining their protective viscosities for added engine protection in extreme temperature conditions.

Check out the entire AMSOIL diesel Oil line

Do you drive in cold temperatures?

Unlike conventional oils, AMSOIL synthetic diesel oils contain no wax, staying fluid in sub-zero temperatures for easier starting, improved oil flow and reduced wear.

Signature Series 0W-40 has a broad viscosity range that offers 4X better cold-cranking ability than a 15W-40. Use the 0W-40 year round here in Sioux Falls  – no problem!

Find out how to keep diesel fuel from gelling in the cold.

Do you own a high-mileage vehicle?

AMSOIL synthetic diesel oils provide low rates of volatility (burn-off), reducing oil consumption during operation and passing less oil vapor into the combustion chamber.For example the Signature Series in 2017 and earlier Duramax engines per customer feedback yield a significant reduction in regens! The savings in fuel and agony is worth that alone.

Reduced oil consumption is especially important for the performance of your exhaust system.

lower oil consumption saves you in future diesel downtime and loss of fuel economy.
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