Design Engineering Radiator Relief Cooling System Flush 16 oz – Engine Radiator Cleaner and Cooling System Flush Treatment for Improved Cooling Performance and Rust Removal

★★★★★ 4.8 32 reviews

$9.99
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by coachtoriocuritiba.com.br
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
$9.99
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives May 10
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by coachtoriocuritiba.com.br
Free 30-day returns Details

Product details

Management number 218202067 Release Date 2026/05/03 List Price $4.00 Model Number 218202067
Category

Design Engineering Radiator Relief Cooling System Flush is a powerful 16-ounce treatment designed to thoroughly clean and flush your vehicle’s radiator and cooling system. Over time, radiators accumulate rust, scale, and mineral deposits that restrict coolant flow and reduce heat transfer efficiency, leading to overheating and engine wear. This cooling system flush effectively removes rust, corrosion, sludge, and other harmful buildup from inside the radiator, heater core, and cooling passages, restoring optimal performance. Safe for use with all types of antifreeze and coolant mixtures, Radiator Relief Cooling System Flush is compatible with radiators made of cast iron, aluminum, copper, and brass. Regular use improves coolant circulation, reduces the risk of overheating, and prolongs the life of your cooling system components. The formula also helps prevent future corrosion and scale buildup, ensuring your cooling system stays clean and efficient. Easy to use, simply add the treatment to the radiator or coolant reservoir, run the engine, and drain and refill as recommended. Whether you’re performing routine maintenance or troubleshooting overheating issues, DEI Radiator Relief Cooling System Flush provides a professional-grade solution for enhanced cooling system health and longevity.

  • Design Engineering Radiator Relief Cooling System Flush is a powerful 16 oz treatment designed to clean and flush your engine’s cooling system, removing rust, scale, and deposits to improve radiator efficiency and overall cooling performance.
  • This advanced formula helps reduce engine temperatures by enhancing heat transfer, protecting against overheating during intense driving or extreme conditions, extending engine life and reliability.
  • Radiator Relief contains corrosion inhibitors and anti-foaming agents to protect all radiator materials—including cast iron, copper, brass, and aluminum—while balancing pH levels to prevent acidic damage and mineral buildup.
  • Safe for use with all types of antifreeze and coolant mixtures, this treatment works compatibly in automotive, marine, and industrial cooling systems without harming seals, hoses, or other components.
  • Easy to use with a recommended dosage of 1 oz per quart of coolant, Radiator Relief maintains a clean cooling system, reduces maintenance needs, and enhances engine performance by promoting efficient heat dissipation.
UPC 607078402028
Size 16 Fl Oz (Pack of 1)
Brand Name Design Engineering
Unit Count 16.0 Fluid Ounces
Item Weight 0.5 Kilograms
Part Number 40202
Manufacturer Design Engineering
Model Number 40202
Item Type Name Radiator Relief
Number of Items 1
Special Features Not_Performance_Used
Contains Liquid Contents No
Global Trade Identification Number 00607078402028

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.8 out of 5
★★★★★
32 ratings | 13 reviews
How item rating is calculated
View all reviews
5 stars
87% (28)
4 stars
2% (1)
3 stars
1% (0)
2 stars
0% (0)
1 star
10% (3)
Sort by

There are currently no written reviews for this product.