PRESTONE
More Information for PRESTONE AF850
{Alternate Inventory Numbers: AF888, 71159}
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PRESTONE AF850  
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  • Prediluted ($9.41/Each) x1 $9.41 Warehouse
  • Concentrated ($14.14/Each) x6 $84.84 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
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)
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