Zerex HD Pre-Charged Ready to Use Antifreeze Coolant 1 gal Green
Ready-to-use green coolant protects heavy-duty diesel engines from -34 °F to 330 °F
- Ready to use straight from the bottle with no mixing required
- Protects heavy-duty diesel engines against freezing down to -34 °F
- Withstands high-temperature operation up to a 330 °F boiling point
- Maintains corrosion control within a 10.0 to 11.0 pH range
- Formulated specifically for heavy-duty diesel truck applications
Ready-to-Use Heavy-Duty Coolant
This one-gallon jug of Zerex HD antifreeze arrives pre-charged and ready to pour without mixing. The green liquid is formulated for heavy-duty diesel trucks and meets a pH range of 10.0 to 11.0. It delivers a boiling point of 330 degrees Fahrenheit and a freezing point of -34 degrees Fahrenheit.
Fleets and Shops Needing Immediate Fill
Maintenance teams who want a straight-fill product for Class 7 and 8 diesel engines will appreciate the no-dilution format. Buyers who prefer to mix their own concentrate for custom protection levels or who operate gasoline-powered light vehicles should look at something else.
Single-Gallon Bottle Simplifies Top-Ups
The plastic container holds exactly one gallon, making it easy to carry, store, and measure for system top-offs or complete flushes. No separate water source or measuring container is required, reducing the chance of mixing errors during roadside or shop service.
How it compares
Measured against everything we stock in Engine Coolant & Antifreeze, at today’s prices. Recalculated every night.
- Price $7.99
- Cheaper than about 89% of the 9 comparable items (median $12.99).
Specifications
| Product | |
|---|---|
| Brand name | ZEREX |
Questions about this item
Will this coolant work with the heavy-duty diesel truck engine I already own?
Yes, it is formulated for heavy-duty diesel trucks and requires no dilution before use.
Can I mix this pre-charged green coolant with the older green coolant already in my system?
It is compatible with conventional green coolants, but a full flush is recommended for best performance.
How can I verify the coolant is protecting my engine after I fill the system?
Check that the fluid remains green, test freeze protection down to -34 °F, and confirm pH stays between 10.0 and 11.0.
More in Engine Coolant & Antifreeze
