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One-gallon plastic bottle of clear red pre-diluted 50/50 antifreeze coolant

PRESTONE

PRESTONE AFC11100 50/50 Antifreeze Coolant 1 gal

SKU CH-13WA-K866S

Pre-diluted 50/50 ethylene glycol coolant protects engines to -36 °F freezing and 354 °F boiling for 300,000 miles or 15,000 hours

  • ColorClear, Red
  • Pre-mixed 50/50 formula pours straight in with no measuring required
  • NOAT chemistry protects heavy-duty engines for 15,000 operating hours
  • Guards cooling systems up to 300,000 miles without phosphate or silicate deposits
  • Freezes at −36 °F and boils at 354 °F for year-round temperature control
  • Biodegradable ethylene-glycol base reduces environmental impact when disposed

Engine coolant for heavy-duty fleets

This PRESTONE antifreeze coolant is formulated for heavy-duty engines requiring extended-life protection. The pre-diluted 50/50 mixture is ready to use without additional water. It suits fleet operators and maintenance shops servicing commercial vehicles.

NOAT chemistry rated for 15,000 hours

The coolant uses a nitrited organic acid technology (NOAT) base with ethylene glycol. It delivers a freezing point of -36 degrees F and a boiling point of 354 degrees F. The formulation is phosphate-free and silicate-free for long service intervals.

One-gallon bottle simplifies top-offs

The 1 gal container allows precise refills and reduces waste compared to bulk drums. Clear red color aids visual inspection of coolant condition. Biodegradable composition eases environmental compliance during disposal.

Highlights

  • Pre-mixed 50/50 formula pours straight in with no measuring required
  • NOAT chemistry protects heavy-duty engines for 15,000 operating hours
  • Guards cooling systems up to 300,000 miles without phosphate or silicate deposits
  • Freezes at −36 °F and boils at 354 °F for year-round temperature control
  • Biodegradable ethylene-glycol base reduces environmental impact when disposed

Specifications

BrandPRESTONE
ColorClear, Red

Questions about this item

How long does the 15,000-hour lifetime rating last in a typical heavy-duty engine?

The coolant is rated for up to 15,000 hours of service in heavy-duty applications, which aligns with extended drain intervals for commercial fleets.

What does the NOAT coolant type mean for system compatibility?

NOAT stands for Nitrited Organic Acid Technology. It is formulated for heavy-duty diesel engines and protects cylinder liners from cavitation without phosphates or silicates.

Will this 1-gallon bottle fit in a standard coolant reservoir opening?

The product comes in a 1-gallon bottle. It is designed for pouring directly into the cooling system or reservoir using a funnel.

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