Prime Guard® Premium DEF Diesel Exhaust Fluid with Deposit Defense - 2.5 Gallon

Prime Guard® Premium DEF Diesel Exhaust Fluid with Deposit Defense - 2.5 Gallon

Prime Guard® Premium Diesel Exhaust Fluid with Deposit Defense keeps modern SCR systems performing at their best. Its enhanced formula reduces system‑clogging crystals and is pre‑mixed with specialized additives that protect the SCR system from harmful deposits. Engineered to support long‑term system integrity, Prime Guard® Premium DEF helps maintain emissions control, enhance fuel efficiency, and preserve overall SCR health, ensuring cleaner, more reliable engine performance. Prime Guard® Premium DEF is a safe, environmentally friendly solution that meets strict AUS 32 and API ISO 22241 purity and concentration standards. This formaldehyde‑free, NOx‑reducing fluid is specifically formulated for diesel engines equipped with SCR systems, delivering consistent, trusted performance every time.