Modern Dex-Cool, referenced as GM part number 12346290 (or 12377912), is an extended-life coolant that can last for up to five years or 150,000 miles (whichever comes first). Its new formula is specifically designed to provide maximum anti-corrosion qualities on all engine metals – it works especially well in terms of transferring heat from ...

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Get the Best Performance with ACDelco Dex-Cool Antifreeze and Coolant GM # 12346290 10-101 parts at JEGS. Shop Now at the Guaranteed Lowest Price!

One Gallon of concentrated ACDelco Dex-Cool coolant. Must be mixed 50/50 with distilled water. Good for 5 years or 150k miles.

Safeguard your Land Rover, Range Rover, LR4, Discovery, and more with Zerex DEX-cool Antifreeze/Coolant (part number 12346290). This coolant ensures reliable temperature regulation and corrosion protection.

This genuine OEM GM DEX-COOL Antifreeze Coolant 12346290 is a direct-fit replacement designed and guaranteed by GM to provide your vehicle with optimal quality and performance: Brand new genuine OEM GM fluid Silicate- and phosphate-free 1 gallon 100% vehicle fitment accuracy when provided with your VIN Made to original factory specifications ...

Genuine ACDelco DEX-Cool Coolant Antifreeze, part number 12346290, ensures your vehicle maintains optimal performance. This OEM product, designed for various year models, offers a direct replacement fit, guaranteeing reliability and compatibility.

ACDelco Dex-Cool antifreeze will keep your vehicle running at optimal temperatures. Extend the life of your water pump and other key systems by using a high-quality antifreeze from ACDelco. Free Shipping - ACDelco Dex-Cool Antifreeze with qualifying orders of $109. Shop Antifreeze and Coolant at Summit Racing.