What type of vehicle is compatible with Genuine GM Coolant Part# - 12378390?

Genuine GM Coolant Part# - 12378390 is specifically formulated for various GM vehicles, including Buick, Chevrolet, and GMC models. It meets the unique specifications required for optimal engine performance in these vehicles. Using the correct coolant ensures effective heat transfer and protection against corrosion, thus prolonging engine life. For example, if you own a Chevrolet Malibu, using this coolant will help maintain engine temperatures within the ideal range, preventing overheating during operational stress.

How do I add Genuine GM Coolant to my vehicle?

To add Genuine GM Coolant Part# - 12378390, first, allow your engine to cool down. Open the hood, locate the coolant reservoir, and check the fluid level. If necessary, carefully open the cap and pour the coolant until it reaches the appropriate level mark. Ensure the reservoir is sealed after adding the coolant to prevent spills. This process is crucial for maintaining the correct coolant levels, which prevents engine overheating and promotes efficient vehicle performance, especially during demanding driving conditions.

How often should I change my coolant, and does the Genuine GM Coolant Part# - 12378390 need to be replaced frequently?

The frequency of coolant changes may vary based on driving habits and vehicle models; generally, it's advisable to inspect coolant levels regularly and replace it according to your vehicle's owner's manual recommendations. Genuine GM Coolant Part# - 12378390 is designed to provide long-lasting protection, often requiring changes every 5 years or 150,000 miles, but always consult your vehicle's maintenance schedule. Regular maintenance using the right coolant means fewer engine issues and improved reliability over the lifespan of your vehicle.

What makes Genuine GM Coolant Part# - 12378390 different from other coolants?

Genuine GM Coolant Part# - 12378390 is specifically formulated for GM vehicles, adhering to strict engineering specifications. This ensures that it offers superior protection against rust, corrosion, and scaling, which are essential for optimal engine function. Unlike generic coolants, GM's formulation maintains the right balance of pH levels and chemical composition tailored for these engines. By using this coolant, you ensure that your vehicle operates efficiently under varying conditions, ultimately preserving the integrity and longevity of your engine.

Can I mix Genuine GM Coolant Part# - 12378390 with other brands of coolant?

Mixing Genuine GM Coolant Part# - 12378390 with other brands is not recommended, as different coolants can contain varying additives that may compromise engine protection. Mixing can lead to reduced effectiveness, increased risk of overheating, and potential engine damage. To ensure that your cooling system remains effective, it's best to fully flush the system before adding a new coolant if you wish to switch. By maintaining the integrity of the coolant type, you enhance engine performance and lifespan.

Is Genuine GM Coolant Part# - 12378390 safe for use in all climates?

Yes, Genuine GM Coolant Part# - 12378390 is designed for optimal performance in diverse climates, offering excellent protection against freezing in cold weather and boiling over in hot temperatures. It contains advanced additives that work effectively under varying environmental conditions, ensuring consistent vehicle performance. Whether you are in a hot desert climate or a cold, snowy region, this coolant helps to maintain engine temperature, thus preventing potential overheating and damage to engine parts, ensuring reliable vehicle operation.

What is the recommended storage condition for Genuine GM Coolant Part# - 12378390?

To maintain the quality of Genuine GM Coolant Part# - 12378390, it should be stored in a cool, dry place, away from direct sunlight. Keeping it in a sealed container prevents contamination and preserves its chemical formulation. Poor storage conditions can lead to degradation of the coolant's properties, which might diminish its protective capabilities. By ensuring proper storage, you can maintain its effectiveness for whenever you need to use it, thereby enhancing engine performance and longevity.

Does Genuine GM Coolant Part# - 12378390 help with engine temperature regulation?

Absolutely! Genuine GM Coolant Part# - 12378390 is vital for regulating engine temperatures. It effectively absorbs and dissipates heat generated by the engine, facilitating smooth operation and preventing overheating. This coolant's chemical composition is engineered to ensure stable temperature maintenance, especially in high-performance situations. By using this coolant, you can help ensure consistent engine performance, even during demanding driving scenarios like towing or driving in mountainous regions.

Where can I buy Genuine GM Coolant Part# - 12378390 in South Africa?

You can purchase Genuine GM Coolant Part# - 12378390 at Ubuy. Ubuy offers a secure platform for finding authentic automotive products, including this specific coolant. Enjoy an easy shopping experience as you search through various products tailored for your vehicle needs at Ubuy, ensuring you receive genuine and reliable automotive solutions.

How to Shop Genuine GM Coolant Part# - 12378390 Online From Ubuy?

It’s easy to shop Genuine GM Coolant Part# - 12378390 online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is Genuine GM Coolant Part# - 12378390 Available to Shop Online in South Africa?

Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The Genuine GM Coolant Part# - 12378390 is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

General Motors

Get the perfect fit with this Genuine General Motors part.

General Motors

Item #: 21884249

Genuine GM Coolant Part# - 12378390

89% of respondents would recommend this to a friend

Item #: 21884249

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What Stands Out

Official GM Fluid

Genuine GM Coolant ensures compatibility with GM vehicles, providing optimum performance and protection against overheating and corrosion.

Long-lasting Protection

Engineered for extended life, this coolant minimizes breakdown and offers superior temperature regulation, ensuring your engine runs smoothly for longer periods.

Easy Application

Designed for hassle-free use, this coolant simplifies maintenance by requiring minimal effort to apply, making it suitable for both DIY enthusiasts and professional mechanics.

Product Details

Genuine GM Coolant Part# 12378390
Manufactured to meet specifications for fit, form, and function
Designed to fit your specific vehicle

Who Should Buy?

GM Vehicle Owners
Designed specifically for GM vehicles, ensuring optimal performance and longevity of the engine cooling system.
Mechanics and Technicians
Provides professionals with a reliable coolant option for servicing and repairs in General Motors vehicles.
Climate Awareness
Works well in both hot and cold climates, offering protection against freezing and boiling over in extreme temperatures.

Non-GM Vehicles
Not suitable for cars outside of the GM brand, as performance may not meet necessary specifications.

Product Description

Genuine GM Coolant Part# - 12378390

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Customer Questions & Answers

Question: How to Shop Genuine GM Coolant Part# - 12378390 Online From Ubuy?

Answer: It’s easy to shop Genuine GM Coolant Part# - 12378390 online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is Genuine GM Coolant Part# - 12378390 Available to Shop Online in South Africa?

Answer: Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The Genuine GM Coolant Part# - 12378390 is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

General Motors Antifreezes & Coolants Editorial Review

Genuine GM Coolant Part# - 12378390 is a crucial component for maintaining the performance of your vehicle's cooling system. This coolant is specifically designed for various GM models, ensuring optimal thermal regulation and engine protection. Customers have noted that it is perfect for their 2019 Chevy Duramax and 2020 Silverado, highlighting its compatibility and quality. Several reviews emphasize the difficulty in finding this product locally, yet once sourced, it delivers exceptional performance. The positive feedback certainly reflects the trust in its formulation designed for GM engines, making it a reliable choice for any GM owner.

Customer Reviews & Ratings

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Pros

Designed specifically for GM vehicles
Excellent engine cooling performance
Easy to use and apply
High-quality formulation
Trusted by many GM enthusiasts

Cons

Some users found it hard to source locally

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	General Motors Genuine GM Coolant Part# - 12378390
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Last Updated on September 1, 2026

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Genuine GM Coolant Part# - 12378390

ZAR 853

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100% Original Products

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What Stands Out

Product Details

Who Should Buy?

Product Description

Customer Questions & Answers

General Motors Antifreezes & Coolants Editorial Review

Customer Reviews & Ratings

Review this product

Pros

Cons

Top selling GM Coolant in South Africa

Product Price History

Important information

ZAR 853

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