J-B Weld 2120 Radiator Repair Kit

Q: Does this work on aluminum ?

Yes, it is absolutely miraculous. It exceeded my expectations.

Q: why it is temp fix? crack due to vibration? how long it can last?

It will usually last a year as long as the car does not overheat which can cause too much pressure on the patched area

Q: Does j-b weld 2120 really work on radiatots?

It does if you work fast with it.

Q: I have a leak on a small stem (i think is aluminum) at the seam that holds a small rubber hose that antifreeze runs though, the small stem gets hot.

My honest opinion is this isn't going to work for your issue.... I used this on my plastic radiator at the top in small crack. It worked for couple weeks and had to buy new radiator... don't waste your money

4.1/5

Product ID: 32648339

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Frequently Bought Together

J-B Weld 2120 Radiator Repair Kit

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Description

🚀 Fix it fast, fix it right with J-B Weld!

TRUSTED FOR DECADES - Join the ranks of loyal users for over 40 years.
DIY OR PRO IT WORKS - Ideal for mechanics and DIY enthusiasts alike.
QUICK FIX NO REMOVAL - Stop leaks without removing the radiator!
VERSATILE FOR ALL MATERIALS - Perfect for plastics, composites, and more.
PROFESSIONAL QUALITY REPAIRS - Achieve permanent repairs with ease.

The J-B Weld 2120 Radiator Repair Kit is a comprehensive solution for making professional-grade repairs on radiators and plastic tanks. It includes epoxy putty, fiberglass cloth, sandpaper, and an applicator, allowing users to fix leaks without removing the tank or radiator. With a proven track record of over 40 years, this kit is trusted by professionals and DIYers for its versatility and strength.

Specifications

Manufacturer	JBWeld
Brand	J-B Weld
Model	J-B Weld 2120 Radiator and Plastic Repair Kit
Item Weight	1.76 ounces
Product Dimensions	2 x 4 x 8 inches
Item model number	2120
Is Discontinued By Manufacturer	No
Manufacturer Part Number	2120

Have a Question? See What Others Asked

Does this work on aluminum ?

why it is temp fix? crack due to vibration? how long it can last?

Does j-b weld 2120 really work on radiatots?

I have a leak on a small stem (i think is aluminum) at the seam that holds a small rubber hose that antifreeze runs though, the small stem gets hot.

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TrustScore 4.5 | 7,300+ reviews