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Heavy Duty Diesel Engine Coolants

All of PSC's Coolants & Antifreezes that we distribute go through rigorous testing at every level, and meet or exceed the performance requirements of every major car and truck manufacturer.

Petroleum Service Company carries a wide variety of Heavy Duty Diesel Engine Coolants for different applications. The applications include : Diesel Engine Universal Coolant, Diesel Engine Extended Life Coolant, and Environmentally Safe Coolant.

Select a Product Category Below
  • Diesel Engine Universal Coolant

  • Diesel Engine Extended Life Coolant

  • Environmentally Safe Antifreeze & Coolants

  • Deionized Water