How much DEI Radiator Relief should I use?

The manufacturer recommends using 1 ounce of Radiator Relief for every quart of coolant in your system. Always ensure it mixes thoroughly with your existing coolant for effectiveness.

What materials is DEI Radiator Relief safe to use with?

This additive is safe for all types of radiator materials, including cast iron, copper, brass, and aluminum. It's also compatible with all coolant additives and antifreeze mixtures.

Does DEI Radiator Relief fix a malfunctioning thermostat?

No, Radiator Relief is designed to improve heat transfer and protect the cooling system. It is not intended to fix mechanical issues like a faulty thermostat.

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Specifications

Brand: DEI
Part #: 40200
UPC: 607078402004

DEI Radiator Relief 16 oz.

Name: DEI Radiator Relief 16 oz.
Brand: DEI
SKU: dei-dei-radiator-relief-16-oz-t14-519337
Price: 7.88 USD
Availability: InStock

$7.88

In Stock

DEI Radiator Relief 16 oz. coolant additive. Reduces engine temps up to 30F and protects against corrosion.

Key Features

You receive one 16 oz bottle of DEI Radiator Relief coolant additive.
Reduces engine temperatures by up to 30 degrees Fahrenheit.
Includes an anti-foaming agent and a corrosion inhibitor.
Compatible with all types of antifreeze and water.
Safe for use with all radiator materials, including aluminum, copper, brass, and cast iron.
Helps reduce pre-existing scale buildup and mineral deposits.

This is a universal coolant additive and is not specific to any particular vehicle make or model.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

With this 16 oz bottle of DEI Radiator Relief, you get a coolant additive designed to help keep your engine running cooler. It's formulated to reduce coolant temperatures by up to 30 degrees Fahrenheit, which can help prevent overheating, especially during demanding use.

This additive works by helping your radiator transfer heat more efficiently. It also includes an anti-foaming agent and a corrosion inhibitor to balance out acidic effects that can develop in your cooling system over time. Radiator Relief is safe for all radiator materials, including aluminum, copper, brass, and cast iron, and it's compatible with all types of antifreeze mixtures and water. It can also help reduce pre-existing scale buildup and mineral deposits, maintaining the pH level of your coolant to protect against core damage.

For best results, the manufacturer recommends using 1 oz of Radiator Relief per quart of coolant. This additive is designed to maintain its performance over time and is safe for all water-cooled engines.