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DEI Radiator Relief 040200

Coolant Additive, Radiator Relief, 16 fluid oz., Each

Estimated Ship Date: Tomorrow Would you rather pick it up? Select Location

  • Shipping restrictions may apply on this part.

  • If you purchase this part, your order can only be shipped by ground.

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Brand: Design Engineering DEI

Manufacturer's Part Number: 040200

Part Type: Coolant Additives

Product Line: DEI Radiator Relief

Summit Racing Part Number: DEI-040200

Quarts Treated: 15 qt.

Volume: 16 oz.

Rust and Corrosion Inhibitors Included: Yes

Quantity: Sold individually.

In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

Radiator Relief is simply the best coolant system additive on the market today. It's made for use with water or anti-freeze and is designed to function in two ways: It eliminates high temperatures in your passenger car, street rod, racecar, RV, etc., and will reduce the temp as much as 30 degrees F. It also provides a 50 percent quicker warmup time. This characteristic is not only beneficial to motorsports pros, but also to daily drivers who can enjoy the comfort of heat in half the time on those cold mornings.

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1 Customer Reviews for Design Engineering DEI 040200 - DEI Radiator Relief

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Radiator Relief?

Summit RacingSummit Racing Verified Purchase

Not sure what to say about this one. My turbo car runs a little hot, so I was looking for anything to lower temps a bit. I haven't noticed any drop in temp whatsoever after adding this to my radiator. I'm sure it works for some, but not me. Cheap enough to give it a shot though.

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Reviewer: CHAD from FL

Date: May 05, 2014

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Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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