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Item #:
88747366
Zerex Fully Formulated Pink Heavy Duty 50/50 Ready-to-Use Antifreeze Coolant 1 Gallon
90% of respondents would recommend this to a friend
Item #:
88747366
MWK 81173
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
5%
In stock
Imported from USA store
QTY:
Order now and get it around Thursday, October 01
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Trust Zerex for the long haul in protecting and prolonging the performance of your heavy-duty engine.
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What Stands Out
Extended Life Formula
Provides superior protection with a longer lifespan, reducing the need for frequent replacements and maintenance.
Heavy Duty Performance
Specifically designed for heavy-duty and commercial vehicles, ensuring optimal performance under extreme conditions.
Corrosion Protection
Offers exceptional corrosion inhibition, prolonging the life of your engine components and cooling systems, enhancing overall vehicle reliability.
Product Details
| Country of Origin | This item will be imported from US |
Product Technical Details
| Manufacturer | Valvoline |
| Brand | Zerex |
| Model | Fully Formulated |
| Item Weight | 1.6 ounces |
| Product Dimensions | 7.67 x 3.93 x 11.81 inches |
| Item model number | 841943 |
| Manufacturer Part Number | 841943 |
What's in the box
Antifreeze/Coolant
Who Should Buy?
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Heavy-Duty Vehicles
Ideal for commercial trucks and heavy machinery requiring robust cooling performance under extreme conditions.
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Long-Term Users
Perfect for car owners seeking extended engine protection and longer intervals between coolant changes.
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Varied Weather
Effective for users in regions with fluctuating temperatures, providing freeze and boil protection.
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Older Engine Types
Not suitable for classic cars or older engines that require specific coolant types or formulations.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is Zerex Extended Life Red Heavy Duty HD Concentrate Antifreeze/Coolant?
Answer: Zerex Extended Life Red Heavy Duty HD Concentrate Antifreeze/Coolant is a premium engine coolant designed for heavy-duty applications. It provides excellent protection against rust, corrosion, and the formation of scale, ensuring your engine operates efficiently. The extended life formulation allows for longer intervals between coolant changes, making it ideal for commercial vehicles and heavy machinery. Applications include trucks, buses, and construction equipment, where robust performance is essential. -
Question:
How does the concentrate formula work?
Answer: The concentrate formulation of Zerex Extended Life Red Heavy Duty HD Antifreeze/Coolant allows you to dilute it with water before use. This ensures you achieve the desired concentration based on your climate and vehicle requirements. By mixing the concentrate properly, you maintain effective heat transfer and reduce the risk of overheating. This usage is pivotal in climates with extreme temperatures, protecting your engine from both freezing and boiling. -
Question:
Can I mix Zerex Extended Life Red with other coolants?
Answer: It is not recommended to mix Zerex Extended Life Red Heavy Duty HD Antifreeze/Coolant with other types of antifreeze or coolant. Mixing can lead to chemical reactions that may diminish the effectiveness of the additives and protection your engine needs. If a different coolant has been used, it's best to drain your system before adding Zerex to ensure optimal performance. This practice is crucial for maintaining engine integrity and longevity. -
Question:
What is the optimal dilution ratio for Zerex Heavy Duty Antifreeze?
Answer: The optimal dilution ratio for Zerex Extended Life Red Heavy Duty HD Antifreeze/Coolant is typically 50:50 with water. This mixture balances freeze protection and boiling point elevation, providing effective engine protection in various climate conditions. In extreme cold environments, you may consider adjusting this ratio slightly for enhanced freeze protection. Accurate mixing is essential for optimal performance during both hot and cold weather conditions. -
Question:
Is Zerex Extended Life Red suitable for all vehicle types?
Answer: Zerex Extended Life Red Heavy Duty HD Antifreeze/Coolant is best suited for heavy-duty applications, including trucks, buses, and industrial equipment. However, it can also be used in many light-duty vehicles if the appropriate specifications are met. Always check your vehicle’s requirements against manufacturer recommendations before use to ensure compatibility and performance, particularly in vehicles with aluminum engine components. -
Question:
How often should I replace Zerex Extended Life Red coolant?
Answer: The Zerex Extended Life formulation allows for extended replacement intervals, typically recommended every five years or 150,000 miles, depending on the manufacturer's guidelines. However, regular checks of the coolant level and condition are advised to detect any possible contamination, which could compromise your engine's performance. This proactive maintenance approach helps ensure long-term reliability, particularly in demanding driving conditions. -
Question:
What are the signs that I need to replace my coolant?
Answer: Signs that it’s time to replace your Zerex Extended Life Red Heavy Duty HD Antifreeze/Coolant include a noticeable decrease in coolant level, discoloration or cloudiness of the liquid, or a rusty appearance. Additionally, if you see any leaks or overheating issues in your vehicle, it may indicate that the coolant has degraded and needs to be replaced. Monitoring these indicators is key to preventing severe engine damage. -
Question:
What temperatures does Zerex Extended Life Red protect against?
Answer: Zerex Extended Life Red Heavy Duty HD Antifreeze/Coolant provides effective protection against freezing temperatures down to -34°F (-37°C) when mixed at the recommended dilution ratio. Furthermore, it raises the boiling point of the coolant, ensuring optimal performance even under extreme heat conditions. This temperature resilience makes it suitable for a range of climates, from harsh winters to intense summers, ensuring your engine remains safe and functional. -
Question:
What are the key benefits of using Zerex Extended Life Red?
Answer: Using Zerex Extended Life Red Heavy Duty HD Antifreeze/Coolant offers several benefits, including superior corrosion protection, prolonged life span, and reduced need for regular changes. Its advanced formula helps maintain the integrity of various engine materials, leading to fewer mechanical issues. This makes it an ideal choice for those operating heavy-duty vehicles, as it not only protects the engine but also enhances overall operational efficiency. -
Question:
Where can I buy Zerex Extended Life Red Heavy Duty HD Concentrate Antifreeze/Coolant 1 GA, Case of 6?
Answer: You can buy Zerex Extended Life Red Heavy Duty HD Concentrate Antifreeze/Coolant 1 GA, Case of 6 through Ubuy in Malawi. Ubuy offers a convenient way to purchase this reliable coolant, ensuring that you have access to high-quality engine protection for your vehicles. Their platform is designed for easy navigation, making it simple to find the products you need for your automotive maintenance.
Zerex Antifreezes & Coolants 841943 Editorial Review
Zerex Extended Life Red Heavy Duty (HD) Concentrate Antifreeze/Coolant 1 GA is designed specifically for diesel engines and is CAT EC-1 certified, ensuring it meets the stringent requirements of high-performance cooling systems. This coolant is silicate-free, which prevents clogging in oil coolers—a common issue with silicate-based products. Many users appreciate that they can mix their own blend, which they believe offers better value and control over their coolant mixture. Its compatibility with various diesel engines makes it a go-to choice for many truck owners, who also highlight its effectiveness in cooling systems and its ease of use with exact mixing ratios.
Customer Reviews & Ratings
255 customers ratings
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5 Star
88%
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4 Star
8%
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3 Star
3%
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2 Star
1%
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1 Star
0%
Review this product
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Pros
- Designed for diesel engines and certified by CAT EC-1.
- Silicate-free formula prevents oil cooler damage.
- Users can customize their own mixing ratio.
- Helps prevent electrolysis, ensuring system integrity.
- Long-lasting performance with minimal breakdown.
Cons
- Doesn't explicitly state CAT EC-1 rating on the jug.
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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MWK 81173
Order now and get it around Thursday, October 01
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Formulated for heavy-duty diesel & gasoline engines.
- Protects against pitting, cavitation, corrosion, and scale deposits.
- Guaranteed performance for up to 3 years, 30,000 miles, or 7,000 hours.
- No supplemental coolant additives needed when used as directed.
- Developed with high-quality virgin ethylene glycol.
- Meets multiple OEM performance specifications.
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