Hot Shot's Secret Premium Defender DEF Booster Additive 8 oz - Treats 20 Gallons - Diesel DEF Treatment for Diesel Exhaust Fluid, Cleans and Prevents Crystal Build-Up | Treats 20 gallons. Helps prevent DEF crystal buildup and keeps DEF systems clean.

Features

• 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 systemespecially 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. This DEF additive for diesels treats up to 20 gallons per bottle and helps maintain optimal SCR performance.