

🛠️ Drive with confidence—engine protection that never quits!
Zerex G40 50/50 Ready-to-Use Antifreeze Coolant by Valvoline delivers industry-leading freeze and boil protection with advanced Si-Organic Acid Technology. This premium, pre-mixed formula safeguards all cooling system metals, prevents leaks, and extends engine life up to 5 years or 150,000 miles. OEM-approved and trusted by luxury car brands, it’s the smart choice for professional-grade engine care.





| ASIN | B08GF2ZBCQ |
| Best Sellers Rank | #171,806 in Automotive ( See Top 100 in Automotive ) #177 in Antifreezes & Coolants |
| Brand | Valvoline |
| Customer Reviews | 4.7 4.7 out of 5 stars (241) |
| Date First Available | September 6, 2020 |
| Item Weight | 9.31 pounds |
| Item model number | 861399-EA |
| Manufacturer | Valvoline |
| Manufacturer Part Number | 861399-EA |
| Model | G40 |
| Product Dimensions | 7.3 x 4 x 12.05 inches |
B**D
As described.
It’s coolant. It keeps engine from overheating. It’s for a Porsche.
H**P
no freezing here
better price than the auto parts store.... and the right color.
C**A
Works good
My husband used this in his Porsche macan and it seems to work great.
K**R
great
great
I**U
Perfect
Quality
H**A
Quick easy and correct
Pictures and description matched item delivered
H**M
A Go-to Coolant for Porsche Owners
Rather than spending more on "Porsche" branded (even though they don't produce them), this is very popular amongst Porsche owners (and other German cars, as applicable). Used to fill low coolant, the same color as the existing coolant (not sure what previous owner filled) and cheaper than OEM. Would not hesitate to purchase another Zerex (blue) for other cars. Highly recommended.
M**U
What was needed for my Porsche.
This is the appropriate replacement coolant for my Porsche. I have owned it for five years and never topped up the coolant. It started to concern me, and I found that this was the most cost effective product to use in this case. Really good for the price. I feel confident using it in an expensive engine. Glad I bought it.
Trustpilot
1 day ago
2 weeks ago