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).

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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 …

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12346290 ACDelco Dex-Cool Concentrated Engine Coolant, Antifreeze For 2001-2025 GM 6.6L LB7 LLY LBZ LMM LML L5P Concentrated Formula. The original fluid that comes in your 6.6L …

Nov 24, 2023 · Buy Mpn 12346290 DEX-Cool Ccoolantt Antifreeze - 12346290 OEM: Antifreezes & Coolants - Amazon.com FREE DELIVERY possible on eligible purchases

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 …

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