Chevron® Heavy-Duty Extended Life Coolant 50/50 - Long-Life Protection, Ready When You Are.
Chevron® Heavy-Duty Extended Life Coolant 50/50 is a pre-mixed, silicate- and phosphate-free antifreeze/coolant formulated with advanced Organic Acid Technology (OAT) for extended performance in heavy-duty diesel, natural gas, and light-duty engines. Designed to deliver up to 600,000 miles or 12,000 hours of protection with no Supplemental Coolant Additives (SCAs) required, this 50/50 blend of ethylene glycol and deionized water is ready to pour—offering unbeatable convenience and long-term savings.
From over-the-road trucks to construction equipment and stationary power systems, Chevron® Heavy-Duty Extended Life Coolant 50/50 protects against liner pitting, scaling, rust, and corrosion while extending drain intervals and reducing downtime.
Key Features:
✅ Pre-Mixed 50/50 – No mixing required; optimized freeze/boil protection out of the bottle
✅ Extended Service Life – Up to 600,000 miles / 12,000 hours with proper monitoring
✅ OAT-Based Protection – No SCAs needed; fewer top-offs and simplified maintenance
✅ Silicate & Phosphate-Free – Prevents scale and deposits for improved heat transfer
✅ Meets OEM & Industry Specs – ASTM D6210, D3306, TMC RP329 and major engine manufacturers
Ideal for:
Heavy-Duty Diesel Engines
Off-Highway and Industrial Equipment
Mixed Fleet Applications
Long Service Interval Operations
Chevron® Heavy-Duty Extended Life Coolant 50/50 - Long-Life Protection, Ready When You Are.
Chevron® Heavy-Duty Extended Life Coolant 50/50 is a pre-mixed, silicate- and phosphate-free antifreeze/coolant formulated with advanced Organic Acid Technology (OAT) for extended performance in heavy-duty diesel, natural gas, and light-duty engines. Designed to deliver up to 600,000 miles or 12,000 hours of protection with no Supplemental Coolant Additives (SCAs) required, this 50/50 blend of ethylene glycol and deionized water is ready to pour—offering unbeatable convenience and long-term savings.
From over-the-road trucks to construction equipment and stationary power systems, Chevron® Heavy-Duty Extended Life Coolant 50/50 protects against liner pitting, scaling, rust, and corrosion while extending drain intervals and reducing downtime.
Key Features:
✅ Pre-Mixed 50/50 – No mixing required; optimized freeze/boil protection out of the bottle
✅ Extended Service Life – Up to 600,000 miles / 12,000 hours with proper monitoring
✅ OAT-Based Protection – No SCAs needed; fewer top-offs and simplified maintenance
✅ Silicate & Phosphate-Free – Prevents scale and deposits for improved heat transfer
✅ Meets OEM & Industry Specs – ASTM D6210, D3306, TMC RP329 and major engine manufacturers
Ideal for:
Heavy-Duty Diesel Engines
Off-Highway and Industrial Equipment
Mixed Fleet Applications
Long Service Interval Operations
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