Dex-Cool 50/50 Pre-Mix Engine Coolant - 1 gal - GM (12378390)
Genuine OEM GM Parts & Accessories - 12378390
Dex-Cool 50/50 Pre-Mix Engine Coolant - 1 gal - GM (12378390)
Genuine OEM GM Parts & Accessories - 12378390
- GM
- 12378390
- 88863460
Details
- Brand:
- SKU:
12378390
- Other Names:
Coolant, 594
- Description: ACDelco Dex-Cool 50/50 Pre-Mix Engine Coolant - 1 gal (Part Number: 12378390) is a pre-diluted ACDelco coolant formulated for long-term corrosion protection and aluminum engine protection.World Parts Direct — an American company — stocks ACDelco fluids, offers expert advice, and backs purchases with a compatibility guarantee and OEM-backed warranty options.
- Purpose: 50/50 pre-mix coolant that protects brass, cast iron, steel, solder and copper components
- Benefits: Non-silicate formula retains heat transfer properties and helps maximize water pump life
- Convenience: Pre-diluted for direct use—no mixing required
- Also Known As: Coolant; 594
- Condition: New
- Replaces:
88863460
- Sale Price: $67.73
Also Purchased
Key Product Benefits
- Includes 6 units per order
Fast Delivery
Most in-stock items ship within 1–3 business days. Special orders may take longer.
OEM Parts. Wholesale Prices.
Genuine OEM parts with a nationwide warranty. Lowest pricing guaranteed.
Shop With Confidence
Secure checkout, verified fitment, and dealer-backed support from real parts experts.
- GM
- 12378390
- 88863460
Details
- Brand:
- SKU:
12378390
- Other Names:
Coolant, 594
- Description: ACDelco Dex-Cool 50/50 Pre-Mix Engine Coolant - 1 gal (Part Number: 12378390) is a pre-diluted ACDelco coolant formulated for long-term corrosion protection and aluminum engine protection.World Parts Direct — an American company — stocks ACDelco fluids, offers expert advice, and backs purchases with a compatibility guarantee and OEM-backed warranty options.
- Purpose: 50/50 pre-mix coolant that protects brass, cast iron, steel, solder and copper components
- Benefits: Non-silicate formula retains heat transfer properties and helps maximize water pump life
- Convenience: Pre-diluted for direct use—no mixing required
- Also Known As: Coolant; 594
- Condition: New
- Replaces:
88863460
Vehicle Fitment
WorldPartsDirect.com
Thanks for shopping with World Parts Direct, home of the low-price and right-part-guarantee! Everything we carry is genuine, OEM and ships straight from a licensed dealership. All of our products are backed by a nationwide warranty and can be returned within 30 days if you no longer need it. What's the catch? There isn't one! Nobody beats our prices and nobody offers higher quality parts than we do, and if we cannot get the part you need, nobody can! We offer hundreds of thousands of unique items, including discontinued parts. Your satisfaction is our top priority and we hope you'll give us the opportunity to earn your business today.
GM

Built with GM’s engineering expertise, ACDelco and OEM GM parts are factory original equipment replacement parts for your Chevy, Buick, Cadillac, GMC, Saturn, Pontiac, Oldsmobile or Hummer. Every ACDelco and OEM GM part is rigidly held to federal safety and quality standards and is guaranteed by GM Replacement Parts Limited Warranty. You can trust GM Genuine Parts when ordering this Dex-Cool 50/50 Pre-Mix Engine Coolant - 1 gal for your vehicle. GM Parts & Accessories Limited Warranty.
