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🛠️ Keep your engine cool, protected, and unstoppable with Zerex G40!
Zerex G40 Phosphate and Nitrite Free Concentrate Antifreeze/Coolant is a premium Si-Organic Acid Technology formula designed for superior freeze and boil protection. Trusted by luxury automakers like BMW and Mercedes-Benz, it prevents corrosion across all cooling system metals, extends engine life, and comes with a 5-year/150,000 mile guarantee. Ideal for professionals who demand reliability and peak performance in every drive.


| ASIN | B079WRBS36 |
| Best Sellers Rank | #2,803 in Automotive ( See Top 100 in Automotive ) #28 in Antifreezes & Coolants |
| Brand | Zerex |
| Customer Reviews | 4.7 4.7 out of 5 stars (548) |
| 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.
D**L
Good coolant, fast shipping
Coolant worked great in car. Much faster shipping than ordering from a local vendor, price is better as well. Not much to say as its coolant.
J**W
Not bad
Great coolant, but the pricing is a little expensive.
J**H
great
works fine happy with my purchase
S**.
MASSIVE PRICE INCREASE IN 30 DAYS!--No thanks
A great product B-U-T wanted to get another gallon but in 1 month from original purchase, , the item went up $10.00. NO THANKS I'LL GET IT ELSEWHERE WHERE THE PRICE STAYED THE SAME
J**E
Works for 2017 c300
Does the job Add distilled water 50/50
G**K
Yes
Good quality coolant
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.
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
3 weeks ago
1 day ago