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We recommend Havoline anti-freeze for all cars and light-duty trucks. The patented long-lasting carboxylate inhibitors in Havoline® Extended Life Anti-Freeze/Coolant DEX-COOL®* have proven their long term performance time and time again against the effects of extreme heat, corrosion and rust
General Motors Corporation has recognized Havoline ® Extended Life Anti-Freeze/Coolant DEX-COOL®* as a breakthrough coolant, issuing GM's first DEX-COOL®* license for 5 year/150,000 mile protection. Extended service intervals are made possible through a patented organic acid corrosion inhibitor system which eliminates the need for silicates, phosphates, borates, nitrites, and amines. The elimination of these additives is significant because many of them are abrasive to water pump seals.
Havoline® Extended-Life Anti-Freeze/Coolant
- Lasts longer than conventional anti-freeze/coolants: Five year/150,000 mile protection
- Effective, long term corrosion protection for all cooling system metals including aluminum, brass, cast iron, steel, solder and copper
- Extends water pump life
Outstanding hot surface aluminum protection
Optimum year-round protection against winter freeze-up and summer boil-over
- No silicate formulation eliminates silicate drop-out or gel formation
- Excellent heat transfer
- Excellent protection in high operating temperatures:
- Boiling protection: (15 lb. Pressure cap) 2650F (129.40C)
- Freezing protection: (15 lb. Pressure cap) -340F (-37.20C)
- Compatible with conventional anti-freeze. (Dilution with conventional anti-freeze will not reduce anti-freeze/coolant properties, but will reduce extended life benefits.)
- Storage stable for at least eight years
100% biodegradable in its pure unused form
- Ready to pour. Havoline® Extended Life Prediluted 50/50 Anti-Freeze/Coolant DEX-COOL® is mixed 50/50 with deionized water. No further dilution is necessary or recommended.
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