Cat coolant color. . The new coolant is a green color, I thought for a cat diesel it had to be a Factory-Fill—Used as standard factory-fill for all Cat machine cooling systems. LONGER ENGINE LIFE Cat Coolants have been proven to reduce cavitation and extend component life. Cat® NGECTM (Natural Gas Engine Coolant) is a heavy-duty cooling system fluid designed to prevent freezing and boiling while providing superior component protection. Feb 28, 2025 ยท 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. The coolant system extender at mid-life (6,000 hours or 3 years) helps maintain coolant condition while protecting your machine. Approved for use in all Cat natural gas and diesel engines, as well as, in most diesel, gas, or natural gas engines made by other manufacturers (follow OEM recommendations). The fluid in your cooling system, commonly called antifreeze or engine coolant, is meant to protect your engine from freezing as well as promote the best heat transfer from engine components to the fluid so it can be dispersed into the atmosphere. This specialized coolant plays a vital role in regulating engine temperature, preventing corrosion, and ensuring optimal operational efficiency. Caterpillar 238-8648 ELC Extended Life Coolant. fh jtqe yjae gbhndz 4y6b erfc kgjp qx5d boi9 y9r7