Protects against freezing to -35 F (-37C).
This coolant is denser than normal coolant and helps to prevent future leaks.
Compatible with all gas or diesel engines.
Protects against corrosion and build up of scale.
Lubricates the cooling system.
| Weight | N/A |
|---|---|
| SKU | NLPREVENTATIVECOOLANT1L, NLPREVENTATIVECOOLANT5L |
| GTIN | 5056773800892, 5056773800908 |
Customer Images
Placing an order on our website is quick and easy. Simply browse our catalog, choose the products you like, and click “Add to cart.” Once you’ve selected all your items, go to your cart and click “Checkout.” Follow the steps on the screen to enter your delivery information, choose your payment method, and confirm your purchase. You will receive an order confirmation by email within a few minutes, along with all the relevant details and a tracking link once your order ships.
Absolutely. We take the security of your personal and financial information very seriously. All payments are processed through a trusted and industry-compliant payment system that adheres to the PCI DSS (Payment Card Industry Data Security Standard). Our website is also protected by a secure SSL certificate, which encrypts all the information you submit, ensuring it cannot be intercepted or misused. You can shop with complete confidence knowing that your transactions are protected at every step.
We accept most major credit and debit cards, and in many countries, we also support local payment methods such as digital wallets or regional options, depending on your location. If you wish to pay via bank transfer, we can accommodate that as well — just contact us beforehand so we can guide you through the process. Please note that bank transfers may take longer to verify and process, which can delay the shipment of your order.
Shipping costs depend on the destination address and the total weight of your order. These costs are calculated automatically at checkout once you’ve entered your delivery address. You will see the final shipping fee before confirming your payment. This ensures that you know exactly what you’re paying, with no surprises. In some cases, free shipping may be offered based on promotions or order value — these offers will be clearly indicated when available.
Yes, we offer international shipping to most countries worldwide, excluding only those under international trade sanctions, such as North Korea, Iran, Syria, Cuba, Russia, Belarus, and the Crimea region.
We currently ship to the following countries:
Africa:
Algeria, Angola, Benin, Botswana, Burkina Faso, Burundi, Cabo Verde, Cameroon, Central African Republic, Chad, Comoros, Republic of the Congo, Democratic Republic of the Congo, Côte d’Ivoire, Djibouti, Egypt, Equatorial Guinea, Eswatini, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Kenya, Lesotho, Liberia, Madagascar, Malawi, Mali, Mauritania, Mauritius, Mayotte, Morocco, Mozambique, Namibia, Niger, Nigeria, Réunion, Rwanda, São Tomé and Príncipe, Saint Helena, Senegal, Seychelles, Sierra Leone, Somalia, South Africa, South Sudan, Sudan, Tanzania, Togo, Tunisia, Uganda, Zambia, Zimbabwe
Asia:
Afghanistan, Armenia, Azerbaijan, Bahrain, Bangladesh, Bhutan, Brunei, Cambodia, China, Georgia, India, Indonesia, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Laos, Lebanon, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, Oman, Pakistan, Palestine, Philippines, Qatar, Saudi Arabia, Singapore, South Korea, Sri Lanka, Taiwan, Tajikistan, Thailand, Timor-Leste, Turkey, Turkmenistan, United Arab Emirates, Uzbekistan, Vietnam, Yemen, Christmas Island, Cocos (Keeling) Islands, British Indian Ocean Territory, Macau, Hong Kong
Europe:
Albania, Andorra, Austria, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Faroe Islands, Finland, France, Germany, Gibraltar, Greece, Guernsey, Hungary, Iceland, Ireland, Isle of Man, Italy, Jersey, Kosovo, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, Portugal, Romania, San Marino, Serbia, Slovakia, Slovenia, Spain, Svalbard and Jan Mayen, Sweden, Switzerland, Ukraine, United Kingdom
North America:
Antigua and Barbuda, Bahamas, Barbados, Belize, Bermuda, Canada, Costa Rica, Dominica, Dominican Republic, El Salvador, Greenland, Grenada, Guadeloupe, Guatemala, Haiti, Honduras, Jamaica, Martinique, Mexico, Nicaragua, Panama, Saint Barthélemy, Saint Kitts and Nevis, Saint Lucia, Saint Martin, Saint Pierre and Miquelon, Saint Vincent and the Grenadines, Trinidad and Tobago, United States, Puerto Rico, Guam, U.S. Virgin Islands, American Samoa, Northern Mariana Islands, Montserrat, Anguilla, Turks and Caicos Islands, Cayman Islands, British Virgin Islands, Aruba, Curaçao, Bonaire, Sint Eustatius, Saba, Sint Maarten
South America:
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Falkland Islands, French Guiana, Guyana, Paraguay, Peru, Suriname, Uruguay, Venezuela, South Georgia and the South Sandwich Islands
Oceania:
Australia, Fiji, French Polynesia, Kiribati, Marshall Islands, Micronesia, Nauru, New Caledonia, New Zealand, Niue, Norfolk Island, Palau, Papua New Guinea, Pitcairn Islands, Samoa, Solomon Islands, Tokelau, Tonga, Tuvalu, Vanuatu, Wallis and Futuna
We keep our website up to date in real time. If you see a product available for purchase on the site, it means it is in stock and ready to ship. In the rare event that there is an inventory error or if a product becomes unavailable after you place your order, we will contact you immediately with options, such as a refund or replacement. You can shop with confidence knowing that we only display items that are currently available.
After the shipment of your order, you will receive a shipping confirmation email. In this email, you will find your tracking number to locate your order.
Our customer service is available 24 hours a day, 7 days a week via live chat. Whether you have a question about your order, need help with a product, or run into a technical issue, our team is here to assist you in real time. We aim to respond as quickly as possible and always strive to provide friendly and effective support.
We strive to respond to your questions as quickly as possible. During our business hours, you will receive a response within 30 minutes.
We do our best to ensure that every order is shipped and delivered on time. However, delays may occasionally occur due to external factors like weather, carrier issues, or customs for international shipments. If your package is taking longer than expected, we recommend checking the tracking link you received by email first, as it often provides real-time updates. If the issue persists or there’s no new information, don’t hesitate to contact our support team, and we’ll be happy to assist you in locating your order and resolving any issues.
Yes, we regularly offer special promotions on our products. Make sure to subscribe to our newsletter to receive the latest updates on our exclusive offers.
If you have a promotional code, you can use it during checkout. After entering your shipping details, you’ll see a field labeled “Promo code” or “Discount code.” Simply enter your code there and click “Apply.” If the code is valid, your discount will be reflected immediately in your order total. Please ensure the code is still active and check any terms and conditions related to its use.
To stay updated on news, promotions, and exclusive events, follow us on our social media. You will find all the important information about our online store.
We want you to be fully satisfied with your purchases. If you encounter an issue with a product, please contact our customer service as soon as possible to discuss return or refund options.
Sometimes, your tracking number may take a few days to become active. Please try again later, but if the issue persists, contact us.
The invoice for your order is always sent with your package. If you have lost it, you can also send us an email to receive a copy.
You can create an account either before placing an order or during the checkout process. When you’re about to complete your purchase, simply select the option to “Create an account.” You’ll be asked to provide a few basic details such as your name, email address, and a password. Creating an account allows you to track your orders more easily, save your delivery information for future purchases, and access special offers reserved for our registered customers.
Yes, of course. We understand that not everyone wants to register, so we offer the possibility to checkout as a guest. You’ll still need to enter your shipping and payment details, but you won’t be required to create a password or set up a profile. Please note that if you don’t create an account, you won’t have access to order history or tracking through a personal dashboard — however, you’ll still receive all updates via email.
Send us an email to [email protected], and we will respond as soon as possible.
No Leaky sells its products exclusively on its official website, noleaky.com, and has no resellers. All products available on other online platforms, such as eBay, are counterfeit. All customers who purchased these counterfeit products have reported irreversible engine failures in their vehicles. We disclaim all responsibility for the use of counterfeit products, and any product purchased outside of the noleaky.com website is excluded from our warranty.
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Cest vraiment efficace. Il lubrifie bien le circuit de refroidissement, préserve le moteur. Très satisfait des résultats.
Since adding this product the coolant level seems to have stabilized and the vehicle is running perfectly. Very satisfied with the result
Très bon produit, à préconiser car le liquide de refroidissement est vraiment important qu’on a tendance à néglige
Pas de soucis donc très bon produit!
En tant que mécanicien, je recommande vivement ce produit à tous mes clients. Il garantit une performance optimale du moteur et une tranquillité d’esprit totale.
J’ai essayé plusieurs marques, mais celle-ci fonctionne plus efficacement, et je n’ai jamais eu à m’inquiéter de la surchauffe depuis.
Mijn motor raakt niet meer oververhit, zelfs niet onder extreme omstandigheden. Deze preventieve koelvloeistof is een wonder in een fles.
Mi motor ha recuperado su juventud gracias a este líquido refrigerante preventivo. Funciona como si fuera nuevo.
Eu experimentei outras marcas, mas nada se compara à qualidade deste líquido de refrigeração.
Die Ergebnisse sprechen für sich. Mein Motor läuft kühler, verbraucht weniger Treibstoff und ich musste mir noch nie Sorgen um Kühlprobleme machen.
En tant que conducteur quotidien, je fais confiance à ce produit pour maintenir la température du moteur constante.
I’ve noticed a significant improvement in the lubrication of my cooling circuit. My engine runs more smoothly and more quietly.
Zelfs bij warm weer blijft mijn auto koel dankzij deze koelvloeistof.
In quanto proprietario di una flotta, l’affidabilità di questo prodotto ha notevolmente ridotto i nostri costi di manutenzione. Una soluzione preventiva di inestimabile valore.
No sabía nada de mecánica, pero este producto cambió el juego. Mi motor nunca ha estado tan agradecido.
Mijn oude koelvloeistof voldeed niet. Sinds ik deze gebruik, hoef ik me geen zorgen meer te maken over oververhitting.
Ce liquide de refroidissement préventif a sauvé ma voiture des surchauffes inattendues. Une véritable assurance pour le moteur !
Die Benutzerfreundlichkeit dieses Kühlmittels macht es zur idealen Wahl für alle Fahrer. Seit ich es benutze, gab es keine Überhitzungsprobleme mehr.
This is a wise investment to avoid costly repairs.
Un liquido refrigerante che non delude mai. Il mio motore funziona come un orologio grazie a questa formula all’avanguardia.
Mi concesionario me recomendó este producto, y no me decepcionó. Una adición simple pero potente para un rendimiento del motor óptimo.
Perfeito para viagens longas. Este líquido de refrigeração preventivo transformou minhas jornadas em uma experiência sem preocupações.
Le liquide de refroidissement préventif est excellent ! Il est résistant au gel et offre une protection dense contre les fuites à venir.
Incredible! It protects and lubricates the engine even in the coldest weather. Really impressive!
Die Lieferung dieses hervorragenden vorbeugenden Kühlmittels hat sich verzögert.
Questo refrigerante è solido! È resistente al gelo e super denso. Il mio motore è protetto da perdite e corrosione, il che è fantastico!
Top liquide de refroidissement ! Compatible tous moteurs, essence ou diesel. Protège bien contre corrosion et calamine. Mon moteur tourne nickel, je recommande !
Produit fiable et efficace
¡Es asombroso! Logré prevenir cualquier sobrecalentamiento gracias a este maravilloso producto. Lo recomiendo.
Wow! That’s impressive. This coolant has kept my engine temperature in an optimal range. I highly recommend it.