PRESTONE
More Information for PRESTONE AF850
{Alternate Inventory Numbers: AF888, 71159}
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PRESTONE AF850  
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  • Prediluted ($10.28/Each) x1 $10.28 Warehouse
  • Concentrated ($14.60/Each) x6 $87.60 Warehouse
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PRESTONE AF850 Specifications
Boiling Point at 50 50 Mixture229 FA
ColorOrange
Flash Point220 FA
Freezing Point-34 FA
Phosphate FreeYes
DEX-Cool 50/50 Extended Life Antifreeze/Coolant; 1 Gallon; Orange; Dexcool; OAT

Designed to work with all GMŽ vehicles 1995 & newer (GMŽ-approved), most FordŽ vehicles 2011-2018 and most ChryslerŽ vehicles 2013 & newer. Manages engine temperature, prevents freezing and protects the engine from corrosion.

Features & Benefits:
  • Protects vital engine parts for up to 5 years/150,000 miles with Extended Life Formula.
  • Includes the PrestoneŽ protection package that meets rust, corrosion and scale protection standards for the cooling system.
  • Available in Ready to Use or Concentrate formula.
Prediluted formula contains 50% distilled or deionized water, mixed with 50% full-strength concentrate, making it ready-to-use straight from the bottle.

Concentrated formula contains 100% full-strength concentrate, and must be mixed with the recommended ratio and type of water (typically distilled or deionized) before use.
Coolant / Antifreeze Says a lot about Cooling System Health!

Routinely inspect your Coolant / Antifreeze with these simple checks, and flush the system when necessary, to help prolong the life of your Cooling System:

COOLANT COLOR / CLARITY

Coolant should be bright, clear and free of debris. Dirty or brown coolant can be caused by:

  • A blown Cylinder Head Gasket
  • Corrosion from imbalanced coolant chemistry
Oil Coolant
Oil in Coolant
COOLANT CONDITION

Use Coolant / Antifreeze Test Strips to test condition / chemistry. Poor coolant condition can be caused by:

  • Frequently topping off with water
  • Improper dilution / mixing coolant formulas
Coolant Test Strip
Test Strip Process
COOLANT VOLTAGE

Use an Electrical Tester to Test Coolant for Electrolysis. Common causes of Electrolysis include:
  • Stray electrical current from a loose or damaged Battery Cable ground
  • Worn / old, acidic coolant
Electrical Tester
A reading of 0.4 volts or above
suggests electrolysis
Videos

Importance of Routine Cooling System Maintenance

PrestoneŽ Helps Avoid Costly Repairs

Additional Resources

Material Safety Data Sheet (MSDS)
⚠ WARNING:
Antifreeze is recyclable! Many towns have free waste drop-off sites, which a quick internet search will help you find.
Attention California Customers - WARNING: Reproductive Harm - www.p65warnings.ca.gov

Warranty Information:
1 Months