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20 Best Coolant For Diesel Engine (2022 Updated)

Diesel engine coolant is a liquid that helps remove heat from the engine. It does this by circulating through the engine to absorb heat and then carrying it away to be cooled by the radiator. The coolant also helps protect the engine from corrosion and overheating.

20 Best Coolant For Diesel Engine

1. Zerex Zxedru1 1 gal. Antifreeze Coolant, RTU

Zerex Zxedru1 1 gal. Antifreeze Coolant, RTU

  • 1 Gal

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Specifications

Details
Container Type Plastic Bottle
Dilution Ratio Pre-Diluted
Boiling Point (F) 330 Degrees F
Freezing Point (F) -34 Degrees F
Flash Point (F) 250 Degrees F

2. Ford Genuine Fluid VC 7Dil B Gold

Ford Genuine Fluid VC 7Dil B Gold

  • Yellow-colored ethylene glycol-based antifreeze/coolant for use in gasoline and diesel engines
  • Provides year-round antifreeze; anti-boil and corrosion protection
  • Ready-to-use; no need to add water
  • Do not mix different colors or types of coolant in your vehicle
  • Contains a bittering agent

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Specifications

Details
Product Dimensions 11.1 x 7.6 x 3.8 inches
Country of Origin USA
Is Discontinued By Manufacturer No
OEM Part Number VC7DILB

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Gary
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3. Iso Heet Fuel-Line Antifreeze + Injector Cleaner – 12 fl oz

Iso Heet Fuel-Line Antifreeze + Injector Cleaner - 12 fl oz

  • Prevents gum, varnish, rust and corrosion in the fuel system and combustion chamber
  • Keeps stored gas fresh indefinitely
  • For use in all 2-cycle and 4-cycle engines
  • Recommended by 20 top engine manufacturers

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Details
Units in Package 1
Unit Size 12 fl oz
Directions Twist off cap. Puncture seal. Pour entire contents into tank before or after filing with fuel. Bottle treats 20 gallons of fuel. Use with every fill-up in winter, and at least every 5,000 miles in summer to clean injectors. Removes water and condensation in warm, wet weather.
Warnings Flammable. Read cautions on back panel. Contains isopropyl alcohol (CAS No. 67-63-0). Do not use near heat or flame. Avoid contact with eyes & skin. In case of eye or skin contact, flush thoroughly with water. If irritation persists get medical attention. Keep out of reach of children.

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4. Red Line 80204 Water Wetter Super Coolant – 12 fl oz bottle

Red Line 80204 Water Wetter Super Coolant - 12 fl oz bottle

  • Decreases engine temperature by up to 30 degrees
  • Provide rust and corrosion protection in plain water for racing engines
  • Designed for modern aluminum, cast iron, copper, brass and bronze systems
  • Improves heat transfer
  • Prevents foaming

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Details
Weight 0.97 oz

5. Zerex G-05 Antifreeze Coolant Ready to Use 1gal ZXG05RU1

Zerex G-05 Antifreeze Coolant Ready to Use 1gal ZXG05RU1

  • Formulated for long life performance
  • Low-silicate, low-pH and phosphate-free formula
  • Helps protect all cooling system metals, including aluminum

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Product Details

Specifications

Details
Container Type Plastic Bottle
Dilution Ratio Pre-Diluted
Freezing Point (F) -34 Degrees F
Flash Point (F) 200 Degrees F
Specific Gravity 1.13
For Use With Passenger Cars and Light Trucks
Package Quantity 1
Condensed Mfg Number ZXGO5RU1
Hazardous Material N
Green Material Flag N
COO Name UNITED STATES OF AMERICA
TAA Compliant Y
Country of Origin US
CA Prop 65 Wht Label N

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Monty
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6. Rotella 9404106021 ELC Concentrate Antifreeze/Coolant, 1 Gallon

Rotella 9404106021 ELC Concentrate Antifreeze/Coolant, 1 Gallon

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Specifications

Details
Capacity 1 gal
Form Liquid
Odor Scent Characteristic
Flash Point 116 deg C
Standards CAT EC-1, TMC RP 329 and RP 338

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7. Shell Rotella ELC 50/50 Antifreeze – 1 Gal

Shell Rotella ELC 50/50 Antifreeze - 1 Gal

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8. Shell Rotella ELC NF 50/50 Antifreeze – 1 Gal

Shell Rotella ELC NF 50/50 Antifreeze - 1 Gal

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Product Details

Specifications

Details
Concentrated or Ready to Use Ready to Use
Container Size 1 US gal
Container Type PLASTIC
Country of Origin Made in USA

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9. Zerex ZXG051 1 Gallon G-05 Antifreeze & Coolant

Zerex ZXG051 1 Gallon G-05 Antifreeze & Coolant

  • Formulated for long life performance.
  • Low-silicate, low-pH and phosphate-free formula.
  • Helps protect all cooling system metals, including aluminum.

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Weight 9.9 lb

10. Peak Final Charge Extended Life 50/50 Oat Based Antifreeze

Peak Final Charge Extended Life 50/50 Oat Based Antifreeze

  • Guaranteed protection for one million miles of on-road use
  • Non-abrasive formula can improve water pump seal life
  • Outstanding protection against corros

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Details
Freezing Point -34

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Ken

11. Peak FXAB53 Final Charge 50/50 Antifreeze/Coolant 1 Gal

Peak FXAB53 Final Charge 50/50 Antifreeze/Coolant 1 Gal

  • Provides Guaranteed LIFETIME Protection
  • Formulated For Use In All American, Asian And European Automobiles
  • Can Be Used To Top-Off Any Color Of Automotive Antifreeze
  • Amber Color Will Not Change The Current Antifreeze Color When Used For Topping Off
  • Meets ASTM D-3306 And ASTM D-4340 Specifications

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Zoro

Product Details

Specifications

Details
Ingredients Water (7732-18-5), Ethylene Glycol (107-21-1), Proprietary Inhibitor (80100315-5005p), Sodium Benzoate (532-32-1).
Units in Package 6
Unit Size 6 gal box

12. Shell Oil Rotella Cool 5050 Mix by Star Marine Depot

Shell Oil Rotella Cool 5050 Mix by Star Marine Depot

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13. Engine Ice Tyds008 High Performance Coolant – 0.5 Gallon

Engine Ice Tyds008 High Performance Coolant - 0.5 Gallon

  • Size: 1/2 gal.
  • Fitment: 1/2 gal., for Case Order 4.

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14. Zerex G-05 Antifreeze/Coolant, Concentrated – 1gal (ZXG051)

Zerex G-05 Antifreeze/Coolant, Concentrated - 1gal (ZXG051)

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15. Shell Rotella ELC NF Antifreeze Concentrate, 1 Gallon

Shell Rotella ELC NF Antifreeze Concentrate, 1 Gallon

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Specifications

Details
Assembled Product Weight 8.34 lb
Assembled Product Dimensions (L x W x H) 7.48 x 3.94 x 12.20 Inches

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Rob
Hooper

16. Peak Prediluted Antifreeze & Coolant – 1 gal jug

Peak Prediluted Antifreeze & Coolant - 1 gal jug

  • Maximum Freeze-Up/Boil-Over Protection
  • Prevents Sludge Clogging
  • Protects Against Scale Build-Up, Rust And Corrosion
  • Protects All Cooling System Metals
  • Patented Formulas Protects Against Scale, Rust And Corrosion Of Cooling System Metals, While Providing Maximum Freeze-Up And Boil-Over Protection

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Product Details

Specifications

Details
Units in Package 1
Unit Size 1 gl
Directions Do not add water. Close tightly. Caution: Do not remove radiator cap when engine is hot. Always follow vehicle’s owner’s manual for top-off requirements, change intervals and specified maintenance. Do Not Add Water: 1. Remove radiator cap when engine is cool. 2. Top off radiator and fill reservoir with Peak Ready Use 50/50 Prediluted Antifreeze + Coolant. 3. Do not add water. 4. Check fluid level periodically. 5. Check owner’s manual for any other recommendations for antifreeze usage.
Ingredients Water (7732-18-5), Ethylene Glycol (107-21-1), Diethylene Glycol (111-46-6), Corrosion Inhibitors, Defoamer, Dye.
Warnings Harmful or fatal if swallowed. Contains ethylene glycol. Read other cautionary information on back panel. Do not drink antifreeze or solution. If swallowed, do not induce vomiting. Immediately contact a Poison Control Center or hospital emergency department. Avoid inhaling mist or hot vapors. If inhaled, remove to fresh air. Ethylene glycol causes birth defects in laboratory animals. Do not let stand or store in open or unlabeled containers. Do not reuse container. Wash thoroughly after handling. Solution can be poisonous to animals. Keep out of reach of children.

17. AMSOIL Passenger Car & Light Truck Antifreeze & Coolant

AMSOIL Passenger Car & Light Truck Antifreeze & Coolant

  • 1

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18. Be Cool 25005 Coolant Antifreeze

Be Cool 25005 Coolant Antifreeze

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Product Details

Specifications

Details
Part Type Antifreeze and Coolant
Volume 5.00 gallons
Coolant Concentration 50/50

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19. Comma XSG48M5L Xstream G48 Antifreeze RTU, 5 Litre

Comma XSG48M5L Xstream G48 Antifreeze RTU, 5 Litre

  • Contains Ethylene Glycol and is silicate based, giving protection from -36 degrees Celsius to +45 degrees Celsius
  • Protects against corrosion, erosion, overheating and freezing
  • Suitable for both petrol and diesel engines
  • Each formula is designed to protect your engineu2019s components throughout the year, allowing your engine to run smoothly

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20. Fleet Charge 1 Gal Antifreeze Coolant FCA0B3

Fleet Charge 1 Gal Antifreeze Coolant FCA0B3

  • Works in all heavy-duty diesel, gasoline and natural gas engine cooling systems.
  • Optimum protection against freezing and boil over.
  • Provides corrosion protection of all cooling system metals and components.
  • Incorporates nitrite to provide wet sleeve liner protection against cavitation.
  • Designed to last the life of the engine when maintained with a high-quality sca filter system.

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Product Details

Specifications

Details
Ingredients Ethylene Glycol (107-21-1), Diethylene Glycol (111-46-6), Water (7732-18-5), Corrosion Inhibitors, Silicates, Defoamer, Dyes.
Units in Package 1
Unit Size 1 gal plastic jug

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Conclusion

The benefits of using coolant in a diesel engine are numerous. Coolant helps to keep the engine operating at a consistent temperature, which helps to improve fuel efficiency and prevent engine damage.

It also helps to protect the engine from corrosion and can extend the life of the engine.

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