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🛠️ Keep your engine cool, protected, and unstoppable with Zerex G05!
Zerex G05 Antifreeze Coolant Concentrate by Valvoline delivers industry-leading freeze and boil protection with Hybrid Organic Acid Technology. Designed for both gasoline and diesel engines, it safeguards all cooling system metals, prevents leaks, and extends engine life with a 5-year/150,000 mile guarantee. Trusted by OEMs and backed by rigorous lab and fleet testing, this versatile concentrate adapts to extreme climates, making it the go-to choice for professional-grade engine care.


| Asin | B0033QNZZ0 |
| Best Sellers Rank | #1,938 in Automotive (See Top 100 in Automotive) #16 in Antifreezes & Coolants |
| Brand | Valvoline |
| Customer Reviews | 4.8 4.8 out of 5 stars (2,059) 4.8 out of 5 stars |
| Date First Available | January 11, 2010 |
| Item Model Number | ZXG051 |
| Item Weight | 9.62 pounds |
| Manufacturer | Valvoline |
| Manufacturer Part Number | ZXGO51 |
| Model | G05 |
| Product Dimensions | 7.38 x 3.83 x 12 inches |
T**B
This is the Yellow concentrate formula, to me it's a better value than pre-diluted coolant options
After researching which Antifreeze Coolant would be best to fill a new aluminum radiator in a Dodge Ram 2500 with the Cummins Diesel, then searching around for a good deal, I found this Zerex G05 Antifreeze Coolant Concentrate 1 Gallon on sale so I ordered it and have been impressed with it so far. It has a 5 year/150,000 mile guarantee that protects against engine failure caused by freeze-ups or boil-overs. This is the Yellow concentrate formula and it is meant to be mixed with clean tap water or demineralized water (I recommend distilled water) at 50/50 ratio for temperatures -34 to 265F; 60/40 for -62 to 270F; and 70/30 for -84 to 267F. To me, concentrated versions like this are a much better value than pre-diluted coolant options are. This is yellow or gold antifreeze coolant that is G05 Phosphate free. It can be used in many, HD Diesels, Chryslers, Fords, and Mercedes Benz automobiles so it's pretty versatile.
N**6
Excellent choice!
Great coolant for my old 350 sbc engine. Also, price can't be beat by any other seller. I'll be purchasing Zerex G05 again.
T**C
Great price
Great price and delivered on time!!
T**R
Highly compatible HOAT coolant.
I'm still a big fan of HOAT coolants. Highly compatible. Zerex G05 is a great replacement for other HOATs that are harder to come by and more expensive. It's an excellent value in this 100% formulation.
J**N
Keep your vehicle from overheating
Great product…
A**H
Fit 2016 ram 3500
Fit 2016 ram 3500, 6.7 Cummins. At 100k flushed the (Mopar 150k $80/gal) stuff 6+ times before it started to become clean. Replaced with this, thermostat and coolant top. See how long it lasts. So far so good. Several sights offered this as compatible.
O**!
NOT disappointed!
Highly recommended... make sure it's the right type for your vehicle... never mix brands or type... Pick 1 appropriate for your vehicle and stick with it. Always flush your system before changing types or brands. NOT disappointed!
D**S
No problems with this antifreeze/coolant.
Working for my 2011 Jeep Liberty
N**.
antifreeze
good
R**O
Excelente
Lástima que no se ofrezcan productos de 1 litro
L**E
Best Anti-Freeze on the Market!!
I've used Zerex G-05 in my F-250 Super Duty for the past 5 or 6 years. Buy it straight and make my own 50/50 mix with distilled water. Highly recommend it. Next time the Benz coolant is flushed, it will be filled with Zerex too.
K**R
Good value
On time unfortunately was the wrong kind for my car
M**O
Worked perfectly
Great delivery and it worked perfectly
Trustpilot
2 days ago
1 month ago