Part No. 2798


Formulated for automobiles and light-duty gasoline-powered trucks.

Penray 2798 is an organic acid technology (OAT) corrosion inhibitor system. This antifreeze inhibitor package features a silicate-free, phosphate-free and amine-free formula providing trouble-free service.

Antifreeze/coolant made with glycol consistent with ASTM E1177-14 and Penray 2798 is compatible with GM Dexcool® brand antifreeze and other specifications listed below . It is also compatible with similar “orange” carboxylate inhibited antifreeze brands. Penray’s 2798 single system technology offers the easiest method of manufacturing an OAT engine coolant.

Store above 75°F (23.8°C) to prevent gelling.

Blending Instructions:
50/50 Pre-dilute coolant contains 3.25% by volume of 2798
Concentrate Contains 6.5% by volume of 2798


  • Same chemistry used by Ford as “first fill” and in VC-12 Engine Coolant Revitalizer
  • Excellent aluminum corrosion protection
  • 150,000 long life formulation
  • Compatible with Dexcool® and other “orange” coolants
  • Silicate-Free
  • Phosphate-Free
  • Amine-Free
  • Lubricity agents extend water pump life


  • ASTM D-3306
  • ASTM D-4985
  • ASTM RP-323

Using and maintaining a properly formulated coolant is one of the most important aspects of engine maintenance.