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⚡ Fix your fog, fast—because clear views can’t wait!
Permatex 21351 Electrically Conductive Rear Window Defogger Tab Adhesive is a universal, weather-resistant repair kit designed to quickly restore electrical connectivity to damaged rear window defogger tabs. This complete kit ensures a durable, cost-effective fix compatible with RVs and other vehicles, delivering reliable performance in all conditions.
| ASIN | B000HBGKWE |
| Auto Part Orientation | Rear |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #1,709 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Motors |
| Brand | Permatex |
| Brand Name | Permatex |
| Color | clear |
| Compatible with Vehicle Type | RV |
| Customer Reviews | 3.9 out of 5 stars 4,687 Reviews |
| Global Trade Identification Number | 00686226213518 |
| Included Components | Funnel |
| Item Thickness | 5 inches |
| Item Type Name | Window Defogger Tab Adhesive |
| Manufacturer | Permatex |
| Manufacturer Part Number | 21351 |
| Manufacturer Warranty Description | See Label |
| Material | Glass |
| Material Type | Glass |
| Model Number | 21351 |
| Number of Items | 1 |
| OEM Equivalent Part Number | 21351 |
| Orientation | Rear |
| UPC | 686226213518 |
| Vehicle Service Type | RV |
T**Y
Little tube that saved my shift
Lately my old civic’s rear defogger tab kept popping off, which is fun when you’re driving home at 7am after a twelve hour night shift and the window’s fogged. I grabbed this stuff hoping to squeeze a bit more life out of the car instead of paying a shop. Cleaned the glass, cleaned the metal tab, pressed them together with tape, then let it sit while i tried to stay awake with cereal on the couch. Peeled the tape, snapped the connector back on, and it actually works again. I could see clearly backing out of the hospital parking lot, so I was pretty glad. Tiny tube, but for me it fixed that one annoying thing.
B**C
Rear tab repair
One weekend, I cleaned the contact area, followed the package directions, and used the adhesive to reconnect the tab. It’s a small job, but I took my time lining things up and left it alone for the recommended setting period. After that, I tested the rear defogger on a damp morning. The window cleared, and seeing the tab stay in place made me glad I picked this up instead of putting the repair off again. The package is small, so it doesn’t take up much room in the cabinet. Just read the directions before starting and give the repair the time it needs to set. I’m keeping the rest with my other car supplies for the next little fix that comes along.
1**O
Failed within 1 Defrost Cycle. Don't waste your Time and Money.
The Instructions say to clean the Tab and a fresh area of the Window Defroster Grid, I scraped and sanded the tab to a bright metal surface. I lightly sanded a nearby area of the Window Defroster Grid. The Instructions say to knead the packet for 1 Minute to distribute the conductive particles within the adhesive liquid. I mixed it for 2 minutes to get an even looking mixture. The Instructions say to hold the metal tab in place for 1 minute to let the glue setup. I held the tab in place for 5 Minutes. The Instructions says to wait 24 hours before connecting the wiring and powering the Defroster. I waited a week for the repair to fully cure the adhesive. The connection felt solid and showed 0 Ohms resistance. On the next frosty morning; the defroster worked great. I powered it off within 5 minutes and the window was clear. (I didn't want to have the defroster running until timeout if it was not necessary.) That was the last time the Defroster worked. Upon further inspection; the metal tab is still solidly attached to the window; but there is 12+ Ohms resistance. Voltage was OK at the terminals and I noticed a spark as the meter probe brushed between the metal terminal and the Defroster foil on the Window. Power no longer passes between the Defroster Terminal and the Grid. Save your Time and Money from this product and spend it on a proper solder repair.
S**T
A small repair for my rear defroster
I bought this after my brother noticed the defroster tab had come loose on my older car. Since retiring from teaching, I am more careful about keeping small repairs manageable, and he said this adhesive might do the job. I cleaned the area, followed the directions, and held the tab in place while it set. The little moment that made me glad I tried it came the next chilly morning: I switched on the rear defroster and watched the fog clear instead of reaching for a cloth. It was a modest fix, but it saved me another trip to the repair shop. I still handle the rear window gently, and the tab has stayed put so far.
J**R
? ok
expensive, took a long time to dry, does not seem like it worked. instructions were clear. unknown how long it will last.
T**D
Works but needs patience
Where this helped was fixing the loose rear defroster tab on my old sedan. I sanded both contacts, used the little wipe, mixed the liquid till it turned brown, then held the tab on the glass for a couple minutes. Waiting 48 hours felt too long, and one corner still looks messy, but the defroster works again and im glad.
M**T
Didn’t fix
Followed the instructions and it glued on but my rear defrost still doesn’t work
P**K
Best Conductive Adhesive
This product delivered as advertised. It came with excellent instructions and easy to use pouches. The adhesive is strong and completely seals the electrical tab. You definitely get your money's worth.
A**O
Jeep Liberty 2005 desempañador
Funciona muy bien se reparo un Jeep Liberty 2005 el cual se habia desprendido el conector del cristal trasero desepañador, muy facil de usar
J**Y
Product nooit ontvangen
Bestelling door jullie geannuleerd, zonder opgave van reden... dus product nooit ontvangen!!!
M**H
Very satisfied
This item works as described a d the seller is has very good customer service.
S**B
Worked well
Bit pricey, but worked well, follow instructions , clean tabs , and area to be applied, worked within 1 min to bond whilst holding it in place. Left it over night, all working again good product .
B**E
Nickel
Fonctionne super bien j'ai réparé la prise de dégivrage arrière sur ma 206 RC sans probleme.
Trustpilot
2 weeks ago
1 month ago