An extended-life anti-freeze that provides protection in all the elements, winter to summer. Silicate-free formula reduces wear on water pumps. Well-suited to both heavy- and light-duty trucks and equipment, as well as RVs and boats.Where to buy ›
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Hear direct from a customer, Kokosing Construction, on why they've relied on Chevron Delo products for more than 25 years.
While a coolant can be made of a liquid, or other substance depending upon the application, let’s focus on those used in engines by the automotive industry
Delo XLC can be used in a number of on-highway applications, including in 18-wheelers.
Delivering value for you
Service life of 1,000,000 miles / 1,600,000 km / 15,000 hours, or 8 years, or 1,200,000 miles / 1,900,000 km / 20,000 hours or 8 years of diesel engine coolant system protection when properly maintained with a Delo FleetFix® CMX addition at 600,000 miles / 960,000 km / 10,000 hours or 4 years.
Excellent protection against pitting, corrosion and erosion even on hard to protect metals like aluminum.
Recommend Delo Coolant Maintenance Kit for routine coolant testing to help detect and eliminate cooling system issues.
Excellent heat transfer compared to silicate containing coolants.
Maximum water pump life due to no silicate formula.
Excellent protection for mixed fleets where the OEM specifies a nitrite free coolant. Can be used in heavy duty engines using reduced emission protocols including or combining EGR, DPF, SCR and after-cooler technologies. This product is recommended for mixed fleet applications.
Protection against winter freeze-up and summer boil-over.
Biodegradable in its unused form.
Compatible with conventional antifreeze. Dilution with conventional antifreeze will reduce extended life benefits. Chevron recommends that this product not be diluted by more than 25% with other coolant formulations.
Can be stored for 8 years in sealed containers without any effect on the product quality or performance.
Recommended applications for Delo XLC Antifreeze/Coolant:
Heavy duty engines regardless of fuel type or environmental controls being used where the OEM recommends a nitrite free, silicate free coolant.Mixed fleets where automobiles, light duty trucks and heavy duty trucks are being serviced and the OEM recommends a nitrite free, silicate free product.Recreational vehicles where a nitrite free, silicate free product is recommended.
Some OEM's require the use of nitrite in heavy duty engine applications.