---
product_id: 605929428
title: "Rear Window Defroster/Defogger Grid Repair Kit 2120"
brand: "frost fighter"
price: "C$12362"
currency: NIO
in_stock: true
reviews_count: 5
category: "Frost Fighter"
url: https://www.desertcart.ni/products/605929428-rear-window-defroster-defogger-grid-repair-kit-2120
store_origin: NI
region: Nicaragua
---

# High silver content for max conductivity Color-matched for invisible repairs Self-cures in 20 minutes with defroster heat Rear Window Defroster/Defogger Grid Repair Kit 2120

**Brand:** frost fighter
**Price:** C$12362
**Availability:** ✅ In Stock

## Summary

> ❄️ Defrost your worries away—repair smarter, not harder!

## Quick Answers

- **What is this?** Rear Window Defroster/Defogger Grid Repair Kit 2120 by frost fighter
- **How much does it cost?** C$12362 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/605929428-rear-window-defroster-defogger-grid-repair-kit-2120)

## Best For

- frost fighter enthusiasts

## Why This Product

- Trusted frost fighter brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Lightning-fast curing:** Uses your defroster’s own heat to cure repairs in just 20 minutes—no overnight wait.
- • **Superior conductivity:** High silver content ensures maximum electrical flow, restoring full defrost power.
- • **Cost-effective longevity:** Repair multiple breaks up to 35 inches total, saving you from expensive glass replacements.
- • **DIY-friendly application:** Includes custom mask tape and cap brush for precise, mess-free painting on damaged grid lines.
- • **Invisible, seamless repairs:** Color-matched formula blends perfectly with your defroster grid for a flawless finish.

## Overview

The Frost Fighter Rear Window Defroster/Defogger Grid Repair Kit 2120 offers a breakthrough solution for repairing broken rear window defroster lines. Featuring a high-silver-content conductor that cures quickly using the heat from your defroster, it delivers invisible, durable repairs with easy DIY application. This kit covers up to 35 inches of grid damage, restoring full electrical conductivity and saving costly glass replacements.

## Description

2120 Frost Fighter Defroster Grid Repair Kit. The new Frost Fighter Grid Repair material features improved electrical properties, better bonding and uses the heat from the defroster to flash cure for fast defroster grid repairs. This is a breakthrough product improvement. Use the new Grid Repair Kit when rear window defroster grid lines stop working. The fine horizontal heating elements on defrosters can be easily damaged by a single scratch or multiple breaks of the heating elements. Repairs are made by masking off and painting the Frost Fighter grid repair conductor over the damaged area. The conductor bonds aggressively, dries quickly, and is color-matched for invisible repairs. New Breakthrough Defroster Grid Repair Technology The new 2120 Grid Repair material is a breakthrough technology featuring a tougher, more conductive repair that self cures in 20 minutes using the heat from the defroster. No more overnight curing! Each kit has 5 grams of repair conductor for up to 35 total inches of repairs using the recommended two coats. This quantity of material allows multiple repairs from a single kit. Repair multiple breaks in the defroster elements up to 3-5 inches in length. To repair a grid just paint on the repair coating, air dry for ten minutes, and then turn on the defroster. The heat from the defroster cures the repair. This is an easy repair you can do yourself and save the high cost of glass replacement. Frost Fighter is a Registered Trademark.

Review: I wasted money on some cheaper brands. One of them worked for only two days, and the other didn’t work at all. Although this product is more expensive, it is very effective. I repaired my grid line by following the instructions on a −10°C day, and it has been working perfectly. Highly recommended.
Review: This product works just fine. Follow the instructions. There is one thing that someone mentioned in a video: "The brush doesn't reach the bottom of the bottle." So if you have a lot of broken spots like I did - you will need a little bit longer brush. You can use a very small artists paint brush and cut it down. I ordered another bottle to finish the job just because I have an old car with lots of breaks. Don't put stickers on the inside of your rear window!

## Features

- Repairs breaks in rear window defroster grids
- Color matched to most defrosters for invisible repairs
- High silver content for maximum electrical conductivity
- Includes custom mask tape and cap brush for easy paint on application
- Fast cure using heat from the defroster

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075FZQ1XS |
| Brand | Frost Fighter |
| Customer Reviews | 3.9 3.9 out of 5 stars (127) |
| Date First Available | 6 July 2019 |
| Item Weight | 41 g |
| Item model number | 2120 |
| Manufacturer Part Number | 2120 |
| Product Dimensions | 20.32 x 10.16 x 3.81 cm; 41 g |

## Images

![Rear Window Defroster/Defogger Grid Repair Kit 2120 - Image 1](https://m.media-amazon.com/images/I/51LjIsY9vGL.jpg)

## Questions & Answers

**Q: Can this be used over rear window tint?**
A: Hello. If the window tint is covering the grille, it may have to be removed because you want the liquid to make contact with the metal grille. Then I would check the connectivity (where I patched it) for continuity with a multimeter to make sure there is a good connection where I fixed the break in the grille.

**Q: One of my grid tabs fell off. Can this be used to build up a postage stamp sized area where tab was is thin to bare? Cab the tab be put onto the area?**
A: Thank you for the question on re-attaching a broken tab of a rear window defroster. Here is what to do. When defroster tabs come off the defroster it is common some of the defroster can be pulled off the surface of the glass. The 2000 Frost Fighter Tab Bonding kit can rebuild this missing defoster and bond the tab back to the defroster is a single operation. This is an easy repair you can do yourself. Start with the 2000 Frost Fighter Defroster Tab Bonding Kit. Mask off an area around the damaged area on the defroster using any masking tape. Mix and apply the highly conductive silver bonding adhesive inside the masked off area and then a little to the base of the tab. Remove the masking tape and you will have a nice pad of conductive adhesive covering the damaged area. Place the tab in position on the wet 2000 tab bonding adhesive and cure as per the instructions. Easy!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***R on 3 January 2026*

I wasted money on some cheaper brands. One of them worked for only two days, and the other didn’t work at all. Although this product is more expensive, it is very effective. I repaired my grid line by following the instructions on a −10°C day, and it has been working perfectly. Highly recommended.

### ⭐⭐⭐⭐⭐ Review
*by J***S on 25 November 2025*

This product works just fine. Follow the instructions. There is one thing that someone mentioned in a video: "The brush doesn't reach the bottom of the bottle." So if you have a lot of broken spots like I did - you will need a little bit longer brush. You can use a very small artists paint brush and cut it down. I ordered another bottle to finish the job just because I have an old car with lots of breaks. Don't put stickers on the inside of your rear window!

### ⭐⭐⭐⭐⭐ Review
*by J***G on 25 November 2024*

Worked like a charm! I can now see out of my back window again on cold mornings. The bottle had more the enough to fix multiple locations. I still have some leftover for possibly future repairs. Great product!

## Frequently Bought Together

- Frost Fighter 2120 - Rear Window Defroster/Defogger Grid Repair Kit | Quick and Easy Self Repair Solution for Grid Lines
- Frost Fighter Rear Window Defroster/Defogger Tab Bonding Repair Kit 2000
- Frost Fighter Rear Window Defroster Replacement Tab - 2300-URX - Compatible with Ford, Chrysler, Chevrolet

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-03-08*