ATTENTION RED LINE OIL CUSTOMERS: Please be advised that we are not accepting walk-in customers at our Benicia office at this time due to COVID-19. You may place an order at redlineoil.com or call us at (707) 745-6100. All orders will be shipped to your requested address at our standard shipping rate. We apologize for the inconvenience and hope to open our doors again to you in the near future. Thank you for supporting Red Line Oil, we appreciate your business.

INTERNATIONAL CREDIT CARDS: Unfortunately, our website does not accept international credit cards. If you have any questions, please contact us directly at (707) 745-6100.

 
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Cooling System

Cooling System

These products include a unique agent that lowers temperatures by reducing or eliminating bubbles or vapor barrier that form on hot metal surfaces

WaterWetter®

We created this industry, pushing bubbles out of the way to ensure cooling.

SuperCool® Extreme

Formerly known as Supercool® With WaterWetter®. Same formula, new name and look.

Diesel WaterWetter®

Not for light trucks, this big-rig formula is concentrated for bigger systems.

SuperCool® Performance

50/50 prediluted antifreeze/coolant fortified with WaterWetter® technology

SuperCool® Concentrate

Antifreeze/coolant concentrate fortified with WaterWetter® technology for superior protection and cooling.