Def fluid is an important component of diesel engines that helps to reduce harmful emissions. It is a combination of urea and deionized water that helps break down nitrogen oxide, which is a major contributor to air pollution. Finding the best def fluid for your vehicle can be a challenge, so we’ve put together a list of our top five picks for the best def fluid on the market.
What is Def Fluid?
Def fluid, also known as diesel exhaust fluid (DEF), is a chemical solution used in diesel engines to reduce the amount of nitrogen oxide (NOx) released into the atmosphere. It is composed of urea and deionized water and is injected into the exhaust system of diesel engines. This helps to reduce the amount of NOx produced, which is a major contributor to air pollution.
What Makes a Great Def Fluid?
When selecting a def fluid, it is important to make sure you choose one that is of the highest quality. The best def fluids are composed of high-purity urea and deionized water, and they should be free of any contaminants that could damage your engine. Additionally, it is important to make sure the def fluid you choose meets the standards set by the manufacturer of your vehicle.
Our Top 5 Picks for Best Def Fluid
- Peak Diesel Exhaust Fluid: Peak Diesel Exhaust Fluid is a great choice for those looking for a high-quality def fluid. It is composed of 99.9% pure urea and deionized water and meets the standards set by the engine manufacturers. It also comes in a range of sizes, making it a convenient choice for any vehicle.
- Valvoline Diesel Exhaust Fluid: Valvoline Diesel Exhaust Fluid is another great choice for those looking for a high-quality def fluid. It is formulated with 99.9% pure urea and deionized water, and it meets all the standards set by engine manufacturers. Additionally, it is available in a range of sizes, making it a convenient choice for any vehicle.
- Shell Rotella Diesel Exhaust Fluid: Shell Rotella Diesel Exhaust Fluid is a great choice for those looking for a reliable def fluid. It is formulated with 99.5% pure urea and deionized water, and it meets all the standards set by engine manufacturers. Additionally, it is available in a range of sizes, making it a convenient choice for any vehicle.
- Castrol Diesel Exhaust Fluid