![]() ![]() And like all other Road Choice products, they’re backed by a minimum one-year warranty.Engine coolant is something you don’t think much about until the engine overheats or that warning light activates on the dash. Road Choice coolants are available in both concentrated formulas and pre-mixed 50/50 blends. Although ELCs cost more than conventional green coolants, they do a better job of protecting engine components, provide better heat transfer and corrosion protection, eliminate the need for SCAs, and require less downtime with their longer maintenance intervals. However, switching to an extended life coolant, or ELC, is often a better and more cost-effective choice. It is formulated for heavy-duty diesel, gasoline and natural gas engine cooling systems.īoth Road Choice Extended Life NOAT and Nitrite Free Extended Life OAT are compatible with green and pink coolants, and can be used to top them off. Like Road Choice NOAT Extended Life Antifreeze & Coolant, it also doesn’t require recharging. Road Choice Nitrite Free Extended Life Antifreeze & Coolant is a red coolant for heavy-duty engines that provides a service life of up to 1 million miles.It does not need to be recharged or refreshed, and is formulated for heavy-duty diesel, gasoline and natural gas engine cooling systems. Road Choice NOAT Extended Life Antifreeze & Coolant is a red coolant that is engineered to go 750,000 miles between change intervals without losing its engine-protectant qualities.It is formulated for heavy-duty diesel, gasoline and natural gas engine cooling systems. Its unique blend and high-quality corrosion inhibitors contain SCAs or nitrite at the correct levels. Road Choice SCA Precharged Fully Formulated Antifreeze & Coolant is a pink coolant that is specifically formulated to reduce maintenance and improve the lifespan of heavy-duty diesel engines.It protects all makes and models of light-duty diesel and older automotive vehicles from corrosion and rust. Road Choice Conventional Green Antifreeze & Coolant requires continual topping off and SCAs at intervals of every 25,000 miles, or as specified by the engine manufacturer.Road Choice Is the Right Choiceīecause coolant types also differ in their lifespans, Road Choice offers four popular categories to meet every application and service interval: Neither OAT nor NOAT coolants require SCAs. ![]() That’s because modern engines have more aluminum components, such as brazed aluminum heat exchangers, and nitrite-free coolants offer better protection for aluminum. NOAT coolants add nitrites to organic acid technology to prevent engine damage.Īlthough NOAT and OAT coolants work in similar ways, nitrite-free OAT coolants are preferred for modern engines. OAT coolants use organic acid technology to inhibit corrosion, scaling, pitting and cavitation of engine components. Red – Red is used for organic acid technology OAT and NOAT coolants.With these coolants, the initial SCA dose is included in the mix however, SCAs must be monitored with test strips and added at regular service intervals. Pink – Pink, or in some cases purple, dye is used for fully formulated ethylene glycol coolants.For this reason, green coolant is becoming obsolete in heavy-duty applications. They also demand continual topping off with water or green antifreeze, which can create an inexact balance of chemicals. Green – These conventional low-silicate coolants require the addition of supplemental coolant additives, or SCAs.Some of the most common heavy-duty truck coolant colors are: The dyes differentiate the different types of coolant, and distinguish them from water and other underhood fluids. Manufacturers have tried to eliminate confusion by adding colored dyes to coolants. In fact, an estimated 40 percent of heavy-duty engine problems can be traced to poor coolant system maintenance. Coolants and antifreeze transfer heat away from the engine, protect metal, inhibit corrosion and protect engines from freezing in extreme temperatures.īut the wide variety of coolants, and different specs for their use, can lead to confusion for many owner-operators and fleet managers. In many ways, coolant is the lifeblood of an engine. ![]()
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