Hot Shot’s Secret Premium Defender DEF Booster Additive 16 oz – Diesel DEF Treatment for Diesel Exhaust Fluid | Cleans & Prevents Crystal Build-Up, 12PK

--

• Prevents Crystals in DEF systems - Designed to work with DEF for diesel trucks, this additive helps prevent white crystal buildup in SCR systems, protecting injectors, pumps, and sensors from costly damage.
• DEF Additive Cleaner for Reliable Performance - This DEF additive cleaner is designed for diesel exhaust fluid systems to support peak SCR performance and long-term reliability of sensors, injectors, and other critical components.
• Protects SCR System Components - Formulated to lubricate and stabilize DEF fluid for diesels, this additive helps reduce corrosion, crystal buildup, and freezing in the SCR system—especially in cold weather.
• DEF System Cleaner That Helps Address Trouble Codes - This DEF system cleaner helps maintain a clean SCR system, reducing the risk of trouble codes like P20EE, P204F, and P207F caused by buildup or crystallization in diesel exhaust fluid components.
• Easy-to-Use DEF Additive for Diesels - Add 1 oz per 2.5 gallons of DEF directly into the tank during each fill-up.