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{Alternate Inventory Numbers: 846437}
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  • Concentrated ($17.06/Each) x6 $102.36 Warehouse
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HD Nitrite Free Extended Life Yellow; 1 Gallon; OAT
ZEREX HD Nitrite Free Extended Life Coolant (ELC) is registered to CumminsŪ CES-14603, conforms to ASTM D6210 and is suitable for common heavy duty diesel engine requirements. Fully formulated ZEREX Nitrite Free ELC incorporates organic acid technology to protect diesel engines from liner pitting and hard water scale deposits. The silicate and nitrite free extended life chemistry helps protect all cooling system metals from corrosion including aluminum. ZEREX Nitrite Free ELC can also be used in gasoline engines, stationary power, marine, natural gas, and light duty applications. ZEREX Nitrite Free Extended Life Coolant provides up to 6 years / 600,000 miles / 12,000 hours of service without the need for extenders due to non-depleting organic acid technology. It is backward compatible for all cooling systems using OAT coolants. ZEREX HD NF ELC offers enhanced protection for aluminum cooling system components.

Features & Benefits:
  • ZEREX Nitrite Free Extended Life Coolant provides up to 6 years / 600,000 miles / 12,000 hours of service without the need for extenders due to non-depleting organic acid technology
  • Meets, exceeds or is recommended for: ASTM 6210, Cummins 14603 Registered, ASTM D3306, SAE J814, GM 6277M, GM 1899M, 1825M, TMC of ATA RP-329B, TMC of ATA RP-338, CAT EC-1, MACK, Peterbilt, Ford, Chrysler, SAE J1034, Detroit Diesel 7SE298
  • Silicate and nitrite free formula meets, exceeds or is recommended for: Navistar CEMS B-1 Type IIIA, Fed Spec A-A-870A, VW, Audi, MAN, Mercedes, MTU, Paccar, Scania, Thermo King, Link Belt, Freightliner, Terex, John Deere, and Volvo
  • ZEREX HD NF ELC offers enhanced protection for aluminum cooling system components
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
Formulation Certifications

Valvoline ZEREX Heavy Duty Nitrite Free Extended Life (ELC) Antifreeze Coolant is formulated to meet or exceed the following antifreeze specifications:

  • ASTM D6210 Cummins CES 14603 Registered
  • Jenbacher Technical Instruction 1000-0200
  • Cummins CES 14439 Registered
  • Deutz DQC-CB14
  • ASTM D3306
  • ASTM D6210
  • Case New Holland
  • CAT EC-1
  • Detroit Diesel DFS93K217ELC
  • Federal Spec A-A-970a
  • Fiat Chrysler MS 12106
  • Ford Europe WSS-M97B44-D
  • Ford WSS-M97B57-A1 and A2
  • Freightliner 48-22880
  • Isuzu
  • JIS K 2234
  • John Deere
  • Komatsu
  • Link Belt
  • Mack Man 324 SNF
  • Mercedes-Benz DBL 7700
  • MTU
  • Navistar MPAPS B-1 Type IIIA
  • Nitrite Free European OEMS
  • Paccar
  • Peterbilt
  • Scania
  • Siemens Wind Turbines
  • Terex
  • Thermo King
  • TMC OF ATA RP-329B
  • TMC OF ATA RP-338
  • Volvo Construction Equipment
  • VW
Videos

How To Flush Coolant

Additional Resources

Additional Product Information
Antifreeze is recyclable! Many towns have free waste drop-off sites, which a quick internet search will help you find.

Attention California Customers - WARNING: Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.