Cat Diesel Engine Antifreeze / Coolant - Purple (1 Gallon)
Part Number: 339-3768

Recommended Use
Cat DEAC is approved for use in all Cat machines, commercial engine and truck engine applications and most diesel, gas or natural gas engines made by other manufacturers.

Discover the Difference
Cat DEAC is developed, tested and approved by Caterpillar to meet the same high standards as Genuine Cat Parts.
Excellent Performance - Contains organic and inorganic corrosion inhibiting and antifoam additives, and provides superior protection against pitting, corrosion and freezing down to -37°C (-34°F). Convenience - Fully formulated, no pre-mixing with supplemental coolant additive required. Concentrate available in 1- and 55-gallon containers for top-off.

Proper Mixing Procedures
Cooling system problems can also be caused by improper dilution of the coolant/antifreeze concentrate with water. Take the following steps to ensure maximum protection:
Mix water and concentrate thoroughly
Always mix in a clean container
Never pour water and concentrate into the radiator without mixing them first

Recommended Service
Use the correct amount of Cat Supplemental Coolant Additive at each oil change interval or when testing indicates a need
Use either Cat Liquid Supplemental Coolant Additive or spin-on elements
Check the coolant for Supplemental Coolant Additive concentrate level (use Cat Coolant Conditioner Test Kit 8T5269)
Check the coolant pH at each oil change interval; if it is not between 8.5 and 10.5, find the cause and correct
Thoroughly flush and refill the cooling system every 3,000 hours, 3 years, or 200,000 miles (321,869 kilometers), whichever comes first