- 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 and crystal buildup in the SCR system—especially in changing weather conditions.
- 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.
Oils & Fluids
Hot Shot’s Secret Defender DEF Booster Additive 16 oz – Diesel DEF Treatment for Diesel Exhaust Fluid | Cleans & Prevents Crystal Build-Up
$3.21
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.
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