MOTOR STAR 50-50 Antifreeze Mix Coolant Gallon 851399006513 50/50

( Brand: Motor Star ), ( Manufacturer Part Number: 50/50 ), ( Type: 50/50 Prediluted ), ( Unit Type: Unit ), ( Volume: 1gal. ), ( Package Quantity: Pack Of 2 ), ( Country Of Origin: United States ), ( UPC: 851399006513 )

Review MOTOR STAR Lot Of Antifreeze Green Pre Mix 50/50 Coolant Gallon Made In Usa

The **Motor Star 851399006513 Antifreeze Mix (50/50 Coolant, Gallon)** is a high-performance, ethylene glycol-based coolant designed to deliver superior thermal protection and corrosion resistance for modern automotive engines. Formulated to meet or exceed industry standards, including those set by ASTM, SAE, and Ford, this premium coolant is engineered to maintain optimal operating temperatures while safeguarding critical engine components from wear, rust, and scaling. The 50/50 blend ensures a balanced mix of distilled water and concentrated antifreeze, providing year-round protection against freezing temperatures as low as **-34 F (-37 C)** and boiling points exceeding **265 F (130 C)**, making it ideal for both extreme climates and high-performance driving conditions. Beyond its thermal regulation capabilities, Motor Star s advanced additive package includes corrosion inhibitors that shield aluminum, cast iron, copper, and other engine materials from oxidation, while also preventing scale buildup in cooling systems. This coolant is fully compatible with a wide range of vehicles, including those equipped with aluminum radiators, extended-life coolant systems, and hybrid powertrains, ensuring long-term reliability without the risk of system incompatibility. Its low volatility and resistance to breakdown under high-temperature stress make it a trusted choice for both OEM applications and aftermarket use, reducing the frequency of flushes and top-offs while extending the lifespan of cooling components. Whether for routine maintenance, engine flushes, or top-off applications, Motor Star s 50/50 coolant delivers a reliable, long-lasting solution that prioritizes engine health and performance.

**Pros and Cons of Buying Motor Star 851399006513 (50/50 Antifreeze Mix, 1-Gallon)**

1. **Compatibility** This coolant is designed for a wide range of vehicles, including many modern engines, as it meets industry standards for ethylene glycol-based antifreeze. It is typically OAT (Organic Acid Technology) or HOAT (Hybrid Organic Acid Technology) based, which provides better corrosion protection and longer service life compared to older silicate-based coolants.

2. **Long-Life Formulation** Most 50/50 antifreeze mixes are engineered to last **5 years or 150,000 miles** (or longer, depending on the manufacturer s specifications). This reduces the frequency of flushes and top-offs, saving time and money in the long run.

3. **Temperature Regulation** The 50/50 mix ensures proper freezing protection (down to **-34 F/-37 C**) and boiling protection (up to **265 F/129 C**), which is crucial for preventing engine damage in extreme climates.

4. **Corrosion Resistance** Modern OAT/HOAT coolants provide superior protection against rust, scale, and corrosion in both aluminum and copper-based cooling systems, extending the lifespan of the radiator, water pump, and hoses.

5. **Compatibility with Additives** Since it is a pre-mixed 50/50 solution, it is ready to use without requiring additional dilution, reducing the risk of improper mixing errors.

6. **Brand Reliability** Motor Star is a well-known brand under the **Prestone** line, which is trusted for its quality and performance in automotive cooling systems. It is widely available at auto parts stores and online retailers.

7. **Cost-Effective for Flushes** Since it is a gallon-sized container, it is practical for small flushes or top-offs, making it a cost-effective choice compared to buying larger quantities unnecessarily.

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1. **Potential for Overuse** If the vehicle s cooling system already contains a different type of coolant (e.g., traditional silicate-based), mixing them can cause **chemical reactions**, reducing effectiveness or causing sludge buildup. Always follow the manufacturer s recommendations for coolant type.

2. **Environmental Concerns** Ethylene glycol-based antifreeze is toxic to pets and wildlife. Proper disposal is required never pour it down drains or onto the ground. Some eco-friendly alternatives (like propylene glycol) are less harmful but may not be as effective in extreme temperatures.

3. **Limited Shelf Life** Unopened coolant typically lasts **5 years** before degradation begins. If stored improperly (e.g., in extreme heat or cold), its effectiveness may be compromised.

4. **Not Universal for All Vehicles** Some high-performance or specialty vehicles (e.g., diesel engines, certain luxury brands) may require **specific coolant formulations** (e.g., Dex-Cool for some GM vehicles). Always check the owner s manual or manufacturer s guidelines.

5. **Risk of Contamination** If the cooling system has leaks or old coolant residue, adding fresh coolant without a proper flush can lead to **mixed chemistries**, reducing protection and potentially causing issues over time.

6. **Price Sensitivity** While generally affordable, some aftermarket or premium coolants may offer additional benefits (e.g., extended drain intervals, better thermal conductivity). This coolant is solid for basic needs but may not be the absolute best for high-mileage or performance vehicles.

7. **Potential for Counterfeit Products** Since it is a widely available product, there is a risk of purchasing **fake or diluted versions**, especially from untrusted sellers. Buying from reputable retailers (e.g., AutoZone, O Reilly, Amazon with verified sellers) helps mitigate this risk.

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Motor Star 851399006513 (50/50 antifreeze mix) is a **reliable, cost-effective choice** for most vehicles requiring a standard OAT/HOAT coolant. It offers **long-lasting protection, temperature regulation, and corrosion resistance**, making it suitable for everyday driving conditions. However, it is **not a universal solution** always verify compatibility with your vehicle s specifications to avoid mixing different coolant types.

For **most drivers**, this coolant is an excellent **maintenance-grade option** that balances performance and affordability. If your vehicle has **specific coolant requirements** (e.g., Dex-Cool, Honda Type 2, or diesel-specific coolants), you should opt for a product tailored to those needs.

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- Your vehicle s manual **recommends OAT/HOAT 50/50 coolant**.

- You are performing a **basic flush or top-off** and want a trusted, widely compatible option.

- You need a **ready-to-use solution** without the hassle of mixing concentrate.

- Your vehicle requires a **specific coolant type** (check the manual).

- You suspect **contamination** in the cooling system (flush thoroughly before adding).

- You are dealing with a **high-performance or diesel engine** that may need a specialized formula.

- **Always flush the system** before adding new coolant if mixing types or dealing with old residue.

- **Use gloves and eye protection** when handling antifreeze it is toxic.

- **Store unused coolant properly** in a cool, dry place to maintain its shelf life.

- **Check for leaks** after adding coolant to ensure the system is functioning correctly.

For most standard gasoline-powered vehicles, this coolant is a **safe and practical choice** that provides reliable protection without unnecessary complexity.

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specifications automobilefluids:

• brand: Motor Star
• mpn: 50/50
• type: 50/50 Prediluted
• unit type: Unit
• volume: 1gal.
• package quantity: Pack Of 2
• country of origin: United States
• upc: 851399006513

payments automobilefluids:

• credit card: Discover
• wallet: Paypal
• other

offer automobilefluids:

• options: Ship-to-home
• Started: April 8, 2026
• quantity: 3
• sold: 0
• availability: In Stock
• best offers: True

returns automobilefluids:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

general automobilefluids:

• Automotive Tools Supplies > Fluids Chemicals > Antifreeze
• condition: New

seller automobilefluids:

• rating: 99.5%
• city: Carrollton, Texas
• # reviews: 195

shipping automobilefluids:

• type: Fixed
• transit: 3-9 Days
• service: Economy, Standard, Expedited, Overnight
• class: Economy, Standard, Expedited, One-day
• cost: $0.00

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