Vehicle Fitment
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Product Details
G-40™ 50/50 Prediluted Engine Coolant by Zerex®. Volume: 1 Gallon. Color: Pink. Zerex is the #1 selling OEM-approved coolant brand. Zerex G40 Antifreeze/Coolant is proven to maximize engine life in cars and light trucks. It’s the premium carboxylate formulation recommended for BMW, Mercedes-Benz, Porsche and VW cars and light trucks, as well as older Audi and Volvo vehicles. Specially formulated with state-of-the-art Si-Organic Acid Technology (Si-OAT) in an ethylene glycol base, Zerex is made for your car and protects better than industry standards against corrosion, leaking, deposits as well as freezing and boiling – the four main causes of cooling system failure, which is the leading cause of engine breakdown. Our premium grade long-life Si-OAT formula is nitrite, amine and phosphate-free. It protects from corrosion, scale and rust, so radiators, water pumps and other metal cooling system parts (including aluminum) stay clean and your antifreeze flows and functions properly. Zerex G40 Antifreeze/Coolant contains no imidazole, borates or nitrates. So whether you’re topping off your radiator or doing a complete system flush, trust Zerex G40 Antifreeze/Coolant. Made for your car.
Features
- Unsurpassed freeze protection and anti-boil performance outperforms industry standards
- Si-organic acid technology resists corrosion and rust while protecting all cooling system metals (including aluminum)
- High-quality additives protect against leaks and won’t harm gaskets, hoses, plastics or original vehicle finish
- Pre-mixed violet formula is ready-to-use in a 50/50 ratio with deionized water to protect all modern engine components from winter freezing (-34f) and summer boiling (265f).
Today's engines are often nestled in some tight engine compartments under a sleek hood that's low, (the radiator is) pretty obstructed, the front end (of the car) for style reasons could be closed and (there's) not much good air flow. So in modern cars, they would overheat in a matter of minutes if they didn't have an active functional cooling system.
Depending upon the type of vehicle (car or truck), it may require specialized additives that are intended specifically for the needs of the manufacturer's vehicle you have (particularly for imports), or for the type of mileage on your ride.
In order for heat to be effectively transferred, you need a liquid in the cooling system. If coolant freezes, it expands – and with that expansion comes breaking and cracking, which can lead to engine failure and damage.
If coolant boils, the gas/vapor formed does not transfer heat well, so metal could actually melt in the engine if you don't keep liquid in contact with it in some places that need to stay cool. Coolant also protects metals and non-metallic elastomers (rubber parts and plastic parts in the engine and the cooling circuit).
According to Turcotte, "If you were just to use water and not operate the engine at all in the winter, as soon as it cools below freezing, the water will expand about 10 percent on freezing and makes a big old ice cube. That may fracture the cylinder heads, the block, and split open the radiator seams."
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