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  • DEI 040200 Radiator Relief - 16 Oz.
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DEI 040200 Radiator Relief - 16 Oz.

6 customer reviews
| 3 answered questions

List Price: $9.97
Price: $9.62 & FREE Shipping on orders over $35. Details
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  • 30 degrees lower operating temperature
  • 50% quicker warm up
  • No mixing required; just add to cooling system
  • Compatible with water and all anti-freeze mixtures; For use in all water cooled engines
  • Safe with all alloys; 100% Biodegradable, Non-Corrosive and Non-Toxic Additive
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$9.62 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

DEI 040200 Radiator Relief - 16 Oz. + DEI 040202 Radiator Relief Cooling System Flush - 16 oz.
Price for both: $18.78

Buy the selected items together


Product Information

Technical Details
BrandDesign Engineering
Item Weight1 pounds
Product Dimensions9.4 x 3.8 x 1.6 inches
Item model number40200
Exterior Smooth
Manufacturer Part Number040200
OEM Part Number 040200
  
Additional Information
ASINB001HYQSE0
Best Sellers Rank #178,470 in Automotive (See top 100)
Shipping Weight1.2 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First AvailableJuly 6, 2007
  
Warranty & Support
Warranty, Parts: Parts
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Product Description

NEW Radiator Relief supercharges your radiator by transferring heat more efficiently through the radiator. Similar to the original formula this proven coolant additive will reduce your operating temperature up to 30°F reducing engine wear that occurs during extreme use. NEW Radiator Relief is also formulated with a corrosion inhibitor that reduces mineral deposits. This is the first additive that maintains pH levels that otherwise fluctuate over time resulting in core damage.


Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

1 of 1 people found the following review helpful By JayGoat on October 6, 2014
Verified Purchase
Simply put, it works. Before adding this additive to my 05 Pontiac GTO, I'd run around 180 on the highway and steadily climb to 200 in slow traffic. This is with an all aluminum radiator, 160 thermostat, and a 30/70 Zerek G-05/distilled water ratio. After adding the DEI additive, I'm around 175 on the highway. However, I've yet to crest 190 while in slow traffic. It climbs from 175 much slower and cools off much quicker once I get moving again.

In my opinion, works much better than Water Wetter which I noticed no difference on.
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By Dwight Moreland on September 30, 2014
Verified Purchase
Great product, it really reduces the engine temperdure.
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By mike on August 19, 2015
Verified Purchase
Caused mechanical problems, stay away
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DEI 040200 Radiator Relief - 16 Oz.
This item: DEI 040200 Radiator Relief - 16 Oz.
Price: $9.62
Ships from and sold by Amazon.com