Engine Coolant

Red Line Synthetic Oil
Engine Coolant

Engine Coolant


We have a wide range of coolants available, please select one of the products below to view the full details and to buy online.




WaterWetter® Coolant
  • Unique agent for cooling systems that doubles the wetting ability of water
  • Rust and corrosion protection allows for use of straight water in racing or reduced antifreeze levels in warm climates
  • Improves heat transfer and reduces cylinder head temperature
  • May allow more spark advance for increase power and efficiency
  • Use one bottle for most passenger cars and light trucks, treats 3 to 5 gallons or 13.2 to 15.9 liters. Vehicles with larger cooling systems should use two bottles. Small cooling systems should use 1oz (3 to 4 capfuls) per quart
  • Compatible with new or used antifreeze (including DEX-COOLTM and long-life versions) to improve the heat transfer of ethylene and propylene glycol systems
  • Satisfies ASTM D2570 and ASTM D1384 corrosion tests for glycol-based antifreezes

More info WaterWetter® Coolant

SuperCool Coolant with WaterWetter
  • Convenient, pre-mixed coolant for motorcycles, ATVs, karts, etc.-pour and go!
  • Blended with purified, deionized water and proper WaterWetter percentage
  • Reduces rust, corrosion and electrolysis, cleans and lubricates water pump seals
  • Compatible with all antifreeze and coolant
  • Satisfies ASTM D2570 and ASTM D1384 corrosion tests for glycol-based antifreezes

More info SuperCool Coolant with WaterWetter

Commercial Vehicle Coolant WaterWetter
  • Designed for heavy-duty diesel engines which use more than 33% antifreeze or a supplemental corrosion package
  • Similar properties and benefits to regular WaterWetter, but lacks rust and corrosion inhibitors
  • Diesel road cars and light trucks (equipped with Cummins, Duramax, and PowerStroke engines) should use regular WaterWetter to ensure proper rust and corrosion protection
  • Typical diesel commercial vehicle requires one bottle, treats up to 15 gallons

More info Commercial Vehicle Coolant WaterWetter

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For more information regarding the full range of Red Line Oil products then don’t hesitate to get in touch today. Contact Us on +44 (0)2476 717100 or fill in our Contact Form.

For contact information regarding our UK and European Dealers then please see our Dealers page.

Contact Red Line for information on Engine Coolant

Engine Oils
   Engine Oils
   Motorcycle Oils
   Race Engine Oils

Gear Oils
   Synthetic Gear Oil
   ShockProof™ Gear Oil
   Automatic Transmission Fluids

Coolant Additives
   Engine Coolant

Performance Fuel Additives
   Diesel Fuel Additives
   Petroleum Fuel Additives

Grease & Assembly Lube
   CV-2 Grease
   Assembly Lube
   Racing Power Steering Fluid

Suspension Fluids
   LikeWater Suspension Fluid
   ExtraLight Suspension Fluid
   LightWeight Suspension Fluid
   Medium Suspension Fluid
   HeavyWeight Suspension Fluid

Brake Fluid
   RL 600 Full Synthetic Brake Fluid