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🛠️ Seal the deal with confidence—don’t let leaks slow your hustle!
J-B Weld Radiator and Plastic Repair Kit 2120 offers a professional-grade, permanent solution for radiator and plastic tank leaks. This 59-gram kit includes epoxy putty, fiberglass cloth, sandpaper, and an applicator, enabling quick repairs of holes up to 3/8" and cracks up to 4" without removing the tank. Trusted for over 40 years, it delivers durable, leak-stopping performance favored by automotive pros and DIY enthusiasts.

| ASIN | B01IOPE66G |
| Best Sellers Rank | #12,860 in Automotive ( See Top 100 in Automotive ) #71 in Automotive Fillers, Adhesives & Sealants |
| Brand | J-B Weld |
| Brand Name | J-B Weld |
| Compatible Material | Metal |
| Container Type | Tube |
| Country Of Origin | USA |
| Customer Reviews | 4.0 out of 5 stars 1,023 Reviews |
| Global Trade Identification Number | 00043425021205 |
| Included Components | Epoxy Putty^Fiberglass Cloth^Sand Paper^Applicator Brush |
| Item Form | Putty |
| Item Package Quantity | 1 |
| Item Type Name | Radiator and Plastic Repair Kit |
| Item Weight | 50 Grams |
| Item form | Putty |
| Item package quantity | 1 |
| Manufacturer | JBWeld |
| Material | Plastic Resin |
| Material Type | Plastic Resin |
| Model | 2120 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Stops Leaks |
| Part Number | 2120 |
| Special features | Stops Leaks |
| Specific Uses For Product | Radiator and Plastic Repair |
| Specific uses for product | Radiator and Plastic Repair |
| UPC | 043425021205 |
| Unit Count | 1 Count |
| Warranty Description | 1 |
K**D
Received damaged
I've received the item in bad condition and damaged
G**L
Quick fix which lasts
Fantastic. This worked really well and hasn’t leaked after 2 months driving. Quick fix and long lasting solution.
D**N
Good sealer
It worked for my BMW E83. I had a pin hole on the aluminum radiator at fan side, on fluid tube between micro zig zac fins. I put half of this J-B glue on in a rush, hoping it would work. but it didn't. I checked myself for the reason why it didn't work, and concluded that 1. didn't make the area dry -at the time when I put the glue on there was wet fluid running, 2. didn't mix the glue thoroughly -I was afraid that I would have no time to put the glue on before it hardens as read of the comments by others. Before the 2nd time, remove the zig zac micro fins around the tube, made sure that no fluid running toward outside, then put just a little RTV SupperBlack first to seal the pin hold, wait for it cured, them take good time to mix the glue crazily -no worry about that it would harden in one minute, no it won't, at least in about 10 minute it won't. Put the well mixed glue on the area around, first layer then fiber, then then another layer then wait over night. The next morning it became hard and shine with nice color. More important, no leaking. As I like it, I bought another pack keeping it for spare.
M**N
It does what is claimed in the advert.
Worked perfectly for the minor repair on my motorcycle radiator after following the simple instructions before hand. Easy to use, 100% successes and well worth the wait from its USA seller.
R**A
Ojo al tiempo de curado
Lo usé para reparar una pieza de línea de refrigerante a alta temperatura, funcionó muy bien pero ojo deje que curara 3 días a pesar de usar las cantidades correctas el tiempo de curado es tardado , en 3 días la dureza fue perfecta
ج**.
جربته لرديتر لاندكروزر 2012
المنتج سيئ وأنصح بعدم شرائه جربته لشعر بسيط في الرديتر وللأسف مازال التسريب بالرغم أن الإنشعار (الكرك) بسيط جدا
Trustpilot
2 months ago
2 months ago