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🛠️ Engine armor that outperforms—because your ride deserves the best.
Zerex G40 Phosphate and Nitrite Free Concentrate Antifreeze/Coolant delivers industry-leading freeze and boil protection with advanced Si-Organic Acid Technology. Designed for premium European vehicles, it prevents corrosion, leaks, and deposits while safeguarding all cooling system metals. Backed by a 5-year/150,000-mile guarantee, this violet concentrate offers customizable mixing ratios for extreme temperature resilience, ensuring optimal engine performance and longevity.





| ASIN | B079WRBS36 |
| Best Sellers Rank | #2,936 in Automotive ( See Top 100 in Automotive ) #21 in Antifreezes & Coolants |
| Brand | Zerex |
| Customer Reviews | 4.8 4.8 out of 5 stars (448) |
| Date First Available | February 18, 2018 |
| Item Weight | 9.31 pounds |
| Item model number | 861526 |
| Manufacturer | Valvoline |
| Manufacturer Part Number | 861526 |
| Model | HT-12 |
| Product Dimensions | 7.38 x 3.83 x 12 inches |
B**.
Solid product for you vehicle coolant needs
Online purchase is more cost effective than getting it at the parts store. Additionally, not all locations have this available without ordering it. I bought this for its value and convenience of Amazon delivery. Were I live (Nashville area), it is a very fast delivery. It is good to have some coolant around if doing minor adjustments or maintenance where you loose some coolant and need to top up. Or if you are doing major work requiring a full refill, get the required amount ahead of your work. Ironically, it is the coolant supplied at the dealer (but costs more needless to say). I personally like the concentrate to mix up what I need and ratio mix. I've used this product for a number of years with no difference in vehicle cooling performance from OEM.
J**Y
Many uses for this product read before buying
Well this cleared all my rats this works well to keep rats out your kitchen sprinkle a little around the edges of your room And BOOM RATS BE GONE RATS BE GONE and makes your kitchen smell like auto shop as a guy this is a bachelor pad dream!
M**B
Good buy, quality product
It’s for the concentrate. Way cheaper than auto parts stores.
A**R
Good product!
Great !
D**.
perfectly works for my GLE 350 2024
Works with my 2024 GLE350. It's concentrated, so you have to get distilled water from CVS, get a new cup, and add one cup of coolant and one cup of distilled water to make sure it's 50:50. and the warning signal goes away immediately.
J**E
Works for 2017 c300
Does the job Add distilled water 50/50
G**K
Yes
Good quality coolant
S**W
This is Concentrated solution
Great deal since it's a concentrate, otherwise I would have had to spent twice as much if I bought the pre-diluted since my car takes a half gallon more than the amount in the container. This way I will have enough for two mercedes.
R**X
Excelente producto
Excelente producto
C**S
Una gran alternativa a la marca original
Excelente relación costo - beneficio
C**S
great price
good quality
J**A
buena calidad
n/a
Trustpilot
2 months ago
3 days ago