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Welcome to Fuel Additive Online!

We are a division of TheDieselStore.com which is your source for everything diesel. This is your place to find diesel fuel additives and gasoline additives. We carry a wide variety of the best additive brands in the world. These additives cover all aspects of not only your gas and diesel fuel needs but also for your coolant, oil, power steering and transmission needs as well. We carry Stanadyne Diesel Fuel Additives to treat virtually all of your diesel fuel needs. Browse the brands below to view how these additives can increase your engine life and decrease down time.

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Additive Shipping Restrictions

Due to FAA regulations Fuel Additives can not be shipped via air mail and may only be shipped via UPS Ground Service. Fuel additive and chemicals may not qualify for free shipping.