The Best Heated Rear Window Repair Kit 2023

Heated rear windows make use of electrically conductive heated grids that are painted upon the glass for defogging. Although they rarely go wrong, if they do, the grids can be easily fixed using one of the many repair kits recommended within this article.

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Best Heated Rear Window Repair Kit
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If you require a quick answer, the best heated rear window repair kit is the Loctite 3863 and it uses a high quality silver compound with a high silver content for maximum conductivity. However, if you are on a tight budget and require a more affordable alternative, the VISBELLA OEM is the best option that’s fast drying and comes with everything you need.

To rate the heated rear window repair kits within this article, we based our recommendations upon plenty of research and multiple factors. The factors that we considered included the type, dry time, kit contents, ease of application and value.

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Heated Rear Window Repair Kit Comparison

Heated Rear Window Repair Kit Type Dry Time
Loctite 3863 Silver Compound 24 Hours
VISBELLA OEM Silver Compound 20 Minutes
Permatex Tabs Adhesive Tab 24 Hours
Tifoo Paint Silver Compound 10 Minutes
C-FUNN Set Silver Compound 20 Minutes
Technicqll Adhesive Silver Compound 24 Hours

Rather than replacing the entire rear window, repairing the heating element is a far cheaper and less time consuming alternative. Most of the kits are a fraction of the cost of a replacement window and can be easily used by any DIY’er.

Below is a list of the best heated rear window repair kits that are inexpensive and relatively easy to use.

The Best Heated Rear Window Repair Kit

1. Loctite LT 1831738 Circuit Repair

Loctite 3863
By far the most popular and highly rated heated rear window repair kit is the Loctite Circuit Repair. Unlike some of the alternatives, it’s designed specifically for broken heated window elements and it also comes as a complete repair set.

Other features of the Loctitie Circuit Repair include:

  • High silver content within the compound
  • Comes with everything you need for the repair
  • Requires 3 coats applied 5 minutes apart
  • Fully dries naturally within 24 hours

Although expensive, it’s a high quality formula that features superior conductivity due to the high silver content within the compound. If you are looking for the best possible repair, the Loctite Circuit Repair is worth the extra investment.
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2. VISBELLA Rear Window Defogger Repair Kit

The VISBELLA Kit is an affordable alternative to the Loctite 3863 above and it’s designed to be a complete DIY repair. Included within the kit is the compound, applicator, masking tape and other components that help make the application go as smoothly as possible.

Other features of the VISBELLA Repair Kit include:

  • Suitable for all OEM defogger systems
  • 2 ml of silver repair compound
  • Takes just 20 minutes to cure naturally
  • Easy to use and supplied with instructions
  • Comes with everything you need to complete the repair

If you are looking for an easy repair that provides long lasting performance, the VISBELLA kit is the perfect solution. It’s suitable for all OEM heated rear windows and it also offers great value for the money as an added bonus.
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3. Permatex Heated Rear Window Tab Repair Kit

Permatex Tabs
The Permatex Tab Repair Kit is a fairly unique option as it uses defogger tabs that permanently bond to the heated rear window. According to the brand, application takes just 5 minutes and it’s ready to be tested after 24 hours.

Other features of the Permatex Tab Repair Kit include:

  • Tab repair (not paint/glue)
  • Permanently bonds to the window
  • Highly resistant to extreme weather conditions
  • Requires 24 hours to cure
  • Supplied with instructions

If you require an adhesive tab repair kit as opposed to the painted alternatives, this Pematex option is the more than ideal. It comes with everything you need and its manufactured by the reputable Permatex brand for peace of mind.
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4. Tifoo Conductive Silver Paint

Tifoo Paint
The Tifoo Conductive Silver Paint is one of the cheapest solutions that’s actually worth buying. It comes as a 2 piece kit that includes 2 ml of conductive varnish and a brush which can be used upon any rear window heater grid.

Other features of the Tifoo Conductive Silver Paint include:

  • 2 ml of silver conductive varnish
  • Fast drying (5 to 10 minutes)
  • Abrasion resistant finish
  • Also suitable for repairing electrical circuits

Overall, it’s a cheap and easy solution to repairing your heated rear window and it takes just minutes to apply. For the best results, the brand recommend at least 3 coats on each heater line for maximum conductivity.
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5. C-FUNN Heated Rear Window Repair Kit

Another DIY heated rear window repair kit that’s able to make permanent repairs is by the C-FUNN brand. It comes complete with a high quality silver compound, masking tape, cleaning cloth, cotton swabs, scraper and alcohol pre-pads.

Other features of the C-FUNN Repair Kit include:

  • Permanent invisible repair
  • High conductivity glue
  • Comes as a complete kit
  • Supplied with instructions
  • Made in the USA

Overall, it’s an excellent all-round repair kit that’s easy to use and suitable for all OEM heated rear windows. If you compare it to the VISBELLA alternative, they are both very similar in terms of their contents and finish.
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6. Technicqll Electro Conductive Adhesive Glue

Technicqll Adhesive
Another popular heated rear window repair kit is by the Technicqll brand and it comes with a conductive adhesive glue and brush. It’s designed specifically for repairing broken window heating circuits and it can even be layered for improved conductivity.

Other features of the Technicqll Conductive Adhesive include:

  • High quality 2g tube of adhesive
  • Silver based adhesive
  • Several layers can be applied
  • Resists rain, snow and frost
  • Coverage of 1 g/cm2
  • Results after 8-24 hours

Overall, the Technicqll Conductive Adhesive is a quick and easy method for repairing most heating circuits. Although it’s relatively expensive per gram, it’s a high quality kit that won’t disappoint. For the best results, the brand recommend at least three coats of the adhesive and allowing the paint to dry as per the instructions.
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How We Rated The Heated Rear Window Repair Kits

Although repairing your heated rear window isn’t a task that you’ll do often, it’s definitely something that you want to get right the first time. All of our recommendations are based upon hours of research and a number of factors. Some of the factors that we considered included the type, dry time, kit contents, ease of application and value for money.


Using a heated rear window repair kit is far easier than you would expect and all the recommendations above are suitable for the majority of cars. Whether you want to use a conductive paint or adhesive tabs, all of the kits above are suitable for every budget and are worth trying before replacing the window altogether.

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