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๐ง Stay cool, stay ahead: Premium protection for your GM powerhouse.
PEAK DEX-Coolยฎ Antifreeze + Coolant is a premium, orange OAT formula designed exclusively for GM vehicles from 1995 onward. Offering up to 10 years or 150,000 miles of protection, it prevents rust and corrosion across all cooling system metals, including aluminum. Free from harmful additives and meeting rigorous ASTM and GM standards, this 1-gallon concentrate ensures optimal engine performance and longevityโmaking it the smart choice for discerning GM owners.




| ASIN | B0CKG6WZDH |
| Best Sellers Rank | #5,163 in Automotive ( See Top 100 in Automotive ) #31 in Antifreezes & Coolants |
| Brand | PEAK |
| Customer Reviews | 4.8 4.8 out of 5 stars (444) |
| Date First Available | October 4, 2023 |
| Item Weight | 9.5 pounds |
| Item model number | PDC0B3 |
| Manufacturer | PEAK |
| Manufacturer Part Number | PDC0B3 |
| Package Dimensions | 11.73 x 7.64 x 3.82 inches |
M**T
Great product recommend
Iโve been using this product in my car for the last 25 years. Yes, the bottles changed the label and changed, but the product is still been reliable for me. Never find my GM car and a little bit cheaper than that brands will put a smile on my face.
H**O
Impressive coolant!!!
I bought this gallon of concentrate to top off my coolant system after a minor hose repair. The chemical makeup of this brand, PEAK, has worked wonders for my 2005 H2. My engines temps have decreased after having added this coolant. I chose a 50/50 ratio and turned the gallon of concentrate into 2 gallons of mixed. The color is orange and has a consistency that is a bit thick/thicker than other brands I have used. PEAK has all sorts of variations of coolant for all manufacturers. I am glad I chose the concentrate that is specifically for GM vehicles. Price wise, it is a great value when compared to 50/50 ratios.
A**.
Good value
Great price, was cheaper than the off market brands at my auto store, better quality cost less.
E**N
Great Antifreeze for our Buick.
Antifreeze came in earlier than expected and worked great for our car.
M**E
MIXING REQUIRED THIS IS THE CONCENTRATED VERSION!!!
Seems to let my truck keep its cool. Iโve used Peak in the past and itโs been of a good quality for keeping my vehicles happy overall. Pretty easy to mix especially if you happen to have an empty antifreeze jug and a measuring cup that you donโt want to use in the kitchen anymore. Or just go to the dollar store and get one that is at least 2 cups. 4 cups of concentrated coolant and 4 cups of distilled water into the empty container and give it a good shake then add 4 cups of distilled water to the container that was originally full then give it a good shaking! Now you have 2 gallons of 50/50 Dex-cool ready to go into your vehicle. ๐ You only need to add water if you purchase the concentrated coolant! IF YOU PURCHASE A 50/50 PRE-MIX DO NOT ADD WATER TO IT!! JUST POUR THE PRE-MIXED Coolant into your vehicle
V**E
Good
Good
R**D
Dex-Cool
just what I ordered
J**N
Cooling
Great price
Trustpilot
3 weeks ago
3 days ago