Best reviews of ✨ Durex DX9 Heavy Duty Extended Life 50/50 Pre-Mix Antifreeze / Coolant – 1 Gallon ✨

Durex® Heavy Duty Extended Life Antifreeze / Coolant 50/50 Pre-Mix is a premium quality nitrited organic acid technology, virgin ethylene glycol-based fluid. Specially formulated with industry=leading additives, this product provides extended service maintenance protection in engines requiring a heavy duty NOAT coolant. Provides up to 1,000,000 miles on-road / 8 years or 20,000 hours off-road protection*.

• Free of 2-ethylhexanoic acid (2-EH), phosphates, silicates and amines
• Meets ASTM D6210, D3306 and TMC RP329 specifications
• Ideal for CAT or mixed fleets
• No addition of SCAs required*
• Offers excellent wet sleeve liner cavitation protection, with a nitrite and molybdate additive combination
• Protects from -34 F to 265 F

NOTE: Do not add water

*HD Extender may be needed based on test results. Consult your vehicle’s owner’s manual for recommendations.