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BlueDEF® Diesel Exhaust Fluid
PEAK® BlueDEF® is a mixture of 32.5% high purity synthetic urea and 67.5% deionized water that is used in Selective Catalytic Reduction (SCR) systems on diesel engines. DEF is the primary ingredient used to help convert NOx to harmless nitrogen and water.
PEAK® BlueDEF® is stable, colorless, non-flammable, and is classified as minimum risk for transportation. PEAK® BlueDEF® conforms to the ISO-22241-1 specification for DEF, is API registered and meets or exceeds OEM specifications.
The PEAK® BlueDEF® exclusive TRIPLE-FILTERED formula ensures the highest product purity. Every batch is guaranteed pure.
BlueDEF PLATINUM® Diesel Exhaust Fluid
PEAK® BlueDEF PLATINUM® is a mixture of high purity synthetic urea, deionized water, and our proprietary additive package manufactured under ISO 22241 guidelines to ensure product quality.
With continual use, PEAK® BlueDEF PLATINUM® reduces the formation of deposits that build up in your diesel exhaust system. API certified and meets or exceeds OEM specifications.
The PEAK® BlueDEF PLATINUM® exclusive TRIPLE-FILTERED formula ensures the highest product purity. Every batch is guaranteed pure.
How BlueDEF PLATINUM® Works
When you rely on your vehicle, your vehicle relies on you. Watch this video to learn why triple-filtered, guaranteed pure BlueDEF® products are the right choice for your truck.
Diesel drivers, we know we are a different breed: the daily doers, the weekend warriors, the off-roaders, the open-roaders. But whatever gets you behind the wheel, one thing is certain, when you rely on your vehicle, your vehicle relies on you.
And there is only one diesel exhaust fluid that’s guaranteed pure. PEAK BlueDEF products are approved for use in all SCR systems, and are built to get the job done right. That’s why BlueDEF is America’s leading brand, and the best choice for your diesel engine.
Diesel exhaust fluid helps remove nitrogen oxides from the exhaust before they’re released into the air. Don’t trust just any DEF, BlueDEF is manufactured, packaged and shipped for ultimate purity.
Because we know even the smallest contaminant can lead to big repair bills, BlueDEF is triple filtered. Every batch is lab tested. And every package is secure sealed. BlueDEF will never compromise on purity. That’s why we’re America’s number one DEF brand.
If you are looking for optimal performance, BlueDEF PLATINUM delivers. We love diesel for its longevity, but deposits can build up in the SCR system over time. Those deposits diminish engine power, performance and efficiency.
And that can also lead to expensive repair bills and costly down time off the road. The easiest repair is the one you never have to make. BlueDEF’s PLATINUM proprietary formula helps prevent deposits before they create problems. To optimize fuel efficiency and extend the life of your SCR system, PEAK BlueDEF PLATINUM delivers over the long haul.
When you rely on your vehicle, your vehicle relies on you. BlueDEF products are the ones drivers know they can rely on for purity and performance. It’s guaranteed pure and triple filtered, and engineered to extend the life of your SCR system while optimizing fuel economy.
Your diesel vehicle deserves American’s number one DEF brand: PEAK BlueDEF.
Advanced SYSTEM SHIELD™ Technology
With continual use, BlueDEF PLATINUM® with Advanced SYSTEM SHIELD™ Technology reduces the formation of future deposits that build up in your diesel exhaust system.
Why Are Deposits Bad?
Deposits create back pressure, which can increase fuel consumption and reduce engine power. BlueDEF PLATINUM®‘s Advanced SYSTEM SHIELD™ Technology will maintain performance, power and fuel economy mile after mile.
Put Trust in Your Truck's Diesel Fuel Tank
BlueDEF PLATINUM® is formulated to exacting international standards, and backed by our Purity Guarantee, ensuring that only high-quality DEF is in your truck’s DEF tank. BlueDEF PLATINUM® meets ISO Standards 22241 for purity and composition, and is an American Petroleum Institute (API) certified diesel exhaust fluid.
America’s #1 brand of Diesel Exhaust Fluid
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