Zerex Asian Blue Coolant - 1 Gallon (Pre-Mix)

Zerex Asian Blue Coolant - 1 Gallon

OEM-Approved P-OAT Protection for Honda, Nissan, and Subaru

Ensure your cooling system operates with factory-level precision using Zerex Asian Blue. This 50/50 ready-to-use formula is engineered to match the specific chemical profile required by many Asian makes, which typically forbid the use of silicates and borates. By utilizing a phosphate-enhanced Organic Acid Technology, it creates a protective film on internal metal surfaces that guards against the four main causes of cooling system failure: corrosion, leaking, deposits, and extreme temperature fluctuations. Because it comes pre-mixed with demineralized water, it takes the guesswork out of maintenance and ensures the perfect ratio every time.

What Included in the Box:

- (1) 1 Gallon (3.78L) Bottle: 50/50 Ready-to-Use Pre-mix.

The Zerex Advantage

- Asian Vehicle Specific P-OAT: Formulated with a phosphated organic acid technology specifically required by many Asian OEMs to protect water pump seals and aluminum components.

- Silicate and Borate Free: Eliminates the abrasive silicates and borates that can damage cooling systems designed for P-OAT chemistry.

- 5-Year / 150,000 Mile Protection: Provides a long service life, maintaining its anti-corrosion and heat-transfer properties far longer than conventional coolants.

- Advanced Water Pump Protection: Specifically guards against the pitting and cavitation of water pump impellers, extending the life of your cooling system hardware.

- Consistent Thermal Performance: Maintains stable operating temperatures in extreme environments, protecting against winter freeze-ups down to -34 degrees F and summer boil-overs up to 265 degrees F.

Product Specifications

- Part Number: 861398

- Color: Blue

- Chemistry: Phosphated Organic Acid Technology (P-OAT)

- Freezing Protection: Down to -34 degrees F

- Boiling Protection: Up to 265 degrees F

- Standards: Meets ASTM D3306, JIS K2234, AS 2108-2004

Primary Vehicle Compatibility

- Acura / Honda (All models requiring Blue P-OAT)

- Infiniti / Nissan (All models requiring Blue P-OAT)

- Subaru (All models requiring Blue P-OAT)

- Suzuki (All models requiring Blue P-OAT)

Precision Tip: This is a 50/50 Pre-mix and should not be diluted with additional water. Adding tap water introduces minerals that can neutralize the P-OAT inhibitors and cause scale buildup. If you are switching from a different coolant color, we recommend a full system flush with distilled water to ensure the new chemistry works at maximum efficiency.