Best Rear Window Defroster Relay Replacements

Looking for the best rear window defroster relay replacements? We’ve gathered top-quality, easy-to-install options for various car models, ensuring you find the perfect fit for clear visibility and safe driving.

Keep your rear window clear and drive safely with the best rear window defroster relay replacements. These parts are essential for your vehicle’s defogging system, ensuring you have perfect visibility in all weather conditions. We’ve gathered top-quality options to help you find the perfect fit for your car.

Discover reliable replacements that are easy to install and built to last. Whether you drive a Honda, BMW, Toyota, or Mercedes-Benz, we’ve got you covered. Find the right relay and get back on the road with confidence.

List of Top 10 Rear Window Defroster Relay Replacements

Image Title Best For Price
4 pcs Relay G8HN-H70 Rear Window Defroster Heater Fan Relay for Automotive 39792-SDA-A01,39794-S0K-A01,39794-S04-014,39794-S04-004 4 pcs Relay G8HN-H70 Rear Window Defroster Heater Fan Relay for Automotive 39792-SDA-A01,39794-S0K-A01,39794-S04-014,39794-S04-004

This 4-piece relay set is perfect for car owners who need a reliable replacement for their rear window defroster or other automotive relays. It’s easy to install and works great for Honda and Acura vehicles.

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GM Genuine Parts 84749906 Rear Window Defogger Relay GM Genuine Parts 84749906 Rear Window Defogger Relay

This GM Genuine Parts Rear Window Defogger Relay is perfect for Chevrolet, Buick, GMC, or Cadillac owners who want reliable, high-quality parts for their vehicles. It’s designed by GM engineers to fit and work perfectly with your car.

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Rear Window Defroster Relay Compatible With Acura MDX 2007 2008 2009 2010 2011 2012 2013 2014 2015 PC-858743 Rear Window Defroster Relay Compatible With Acura MDX 2007 2008 2009 2010 2011 2012 2013 2014 2015 PC-858743

This rear window defroster relay is perfect for Acura MDX owners (2007-2015) who need a reliable replacement part. It’s easy to install and fits perfectly, ensuring your rear defroster works like new.

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Rear Window Defroster Relay Compatible With Honda CR-V 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 PC-858782 Rear Window Defroster Relay Compatible With Honda CR-V 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 PC-858782

This Rear Window Defroster Relay is perfect for Honda CR-V owners from 2007 to 2018 who need a reliable replacement part. It’s easy to install and fits perfectly, ensuring your rear window defroster works like new.

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DENSO Rear Window Defroster Relay Compatible with Toyota Sienna 2004-2007 DENSO Rear Window Defroster Relay Compatible with Toyota Sienna 2004-2007

This DENSO Rear Window Defroster Relay is perfect for Toyota Sienna owners with models from 2004 to 2007. It’s a direct replacement that fits perfectly and comes with genuine parts and original packaging.

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PartCatalog Rear Window Defroster Relay Compatible with BMW 335i 3.0L L6 2009 2008 2007 P-2685948 PartCatalog Rear Window Defroster Relay Compatible with BMW 335i 3.0L L6 2009 2008 2007 P-2685948

This PartCatalog Rear Window Defroster Relay is perfect for BMW 335i owners who need a reliable replacement part. It’s easy to install and fits perfectly, ensuring your rear window defroster works like new.

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PartCatalog Rear Window Defroster Relay Compatible with BMW 328i 3.0L L6 2009 2008 2007 P-2685938 PartCatalog Rear Window Defroster Relay Compatible with BMW 328i 3.0L L6 2009 2008 2007 P-2685938

This PartCatalog Rear Window Defroster Relay is perfect for BMW 328i owners who need a reliable replacement part. It’s easy to install and fits perfectly, ensuring your rear window defroster works like new.

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GMBooskr Rear Window Defroster Relay 25230-7996A for Infiniti Fx35 Fx45 G20 G35 I30 I35 J30 M30 M35 M45 M45 M56 Q45 Qx4 Qx56 for Nissan 200sx 240sx 300zx 350z 720 PickupAltima Armada Axxess GMBooskr Rear Window Defroster Relay 25230-7996A for Infiniti Fx35 Fx45 G20 G35 I30 I35 J30 M30 M35 M45 M45 M56 Q45 Qx4 Qx56 for Nissan 200sx 240sx 300zx 350z 720 PickupAltima Armada Axxess

This Rear Window Defroster Relay is perfect for car owners who need a reliable and durable solution for their vehicle’s blower motor system. It’s ideal for those with Infiniti or Nissan models listed, ensuring long-lasting performance and peace of mind with a 1-year warranty.

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URO 001 542 97 19 Rear Window Defroster Relay URO 001 542 97 19 Rear Window Defroster Relay

The URO 001 542 97 19 Rear Window Defroster Relay is perfect for car owners who need a reliable replacement part. It’s easy to install and works great for keeping your rear window clear.

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Rear Window Defroster Relay Compatible With Mercedes-Benz 190D 2.5 Turbo 1987 PC-1004046 Rear Window Defroster Relay Compatible With Mercedes-Benz 190D 2.5 Turbo 1987 PC-1004046

This rear window defroster relay is perfect for Mercedes-Benz 190D 2.5 Turbo 1987 owners who need a direct replacement for their vehicle. It’s easy to install and fits perfectly, giving you reliable performance every time.

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Detailed Reviews

Discover the top 10 Rear Window Defroster Relay Replacements, carefully selected for reliability and performance. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your vehicle. Whether you prioritize quality, affordability, or ease of installation, this guide has you covered.

1. 4 pcs Relay G8HN-H70 Rear Window Defroster Heater Fan Relay for Automotive 39792-SDA-A01,39794-S0K-A01,39794-S04-014,39794-S04-004

4 pcs Relay G8HN-H70 Rear Window Defroster Heater Fan Relay for Automotive 39792-SDA-A01,39794-S0K-A01,39794-S04-014,39794-S04-004

Revitalize your Honda or Acura with this essential 4-piece set of G8HN-H70 relays. These universal relays are designed to directly replace your old ones, ensuring a smooth and reliable performance for your vehicle’s electrical systems. Say goodbye to electrical issues and hello to peak automotive function.

These relays are built for power. They offer high reliability and are easy to install. Get back on the road with confidence.

This versatile relay is perfect for a wide range of applications, from your rear window defroster to your A/C compressor. With a 12-volt coil and 4-pin design, it’s the high-quality solution you need to keep your car running at its best.

Pros Cons
  • Direct replacement for multiple Honda Acura relay models.
  • Easy installation with high reliability for long-lasting use.
  • Versatile use for A/C, fans, lights, and more.
  • High power capability handles demanding automotive applications.
  • Limited to specific Honda Acura models, not universal.
  • No instructions included for easy installation.
  • High power capability may overwhelm some basic systems.

Perfect For:

This 4-piece relay set is perfect for car owners who need a reliable replacement for their rear window defroster or other automotive relays. It’s easy to install and works great for Honda and Acura vehicles.

Ready to Purchase?

2. GM Genuine Parts 84749906 Rear Window Defogger Relay

GM Genuine Parts 84749906 Rear Window Defogger Relay

The GM Genuine Parts 84749906 Rear Window Defogger Relay is a reliable and high-quality component for your vehicle. It is designed and engineered by GM to meet strict standards.

This part may have been formerly known as ACDelco GM Original Equipment (OE). GM regularly updates its designs, and this part is specifically validated for Chevrolet, Buick, GMC, or Cadillac vehicles. It is backed by General Motors.

The Rear Window Defogger Relay is an essential part of your vehicle’s defogging system. With its rigorous testing and GM engineering, you can trust this part to perform as expected, keeping your rear window clear and your drive safe.

Pros Cons
  • GM Genuine Parts ensure perfect fit and performance.
  • Engineered by GM for your specific vehicle.
  • Rigorous testing guarantees reliability and durability.
  • Regular updates keep parts modern and efficient.
  • Limited to specific GM vehicles, not universal fit.
  • Higher cost compared to aftermarket alternatives.
  • No DIY-friendly installation, may require professional help.

Perfect For:

This GM Genuine Parts Rear Window Defogger Relay is perfect for Chevrolet, Buick, GMC, or Cadillac owners who want reliable, high-quality parts for their vehicles. It’s designed by GM engineers to fit and work perfectly with your car.

Ready to Purchase?

3. Rear Window Defroster Relay Compatible With Acura MDX 2007 2008 2009 2010 2011 2012 2013 2014 2015 PC-858743

Rear Window Defroster Relay Compatible With Acura MDX 2007 2008 2009 2010 2011 2012 2013 2014 2015 PC-858743

Fix your rear window defroster quickly and easily. This relay is a direct replacement for your Acura MDX. It fits models from 2007 to 2015.

The OE replacement meets high standards. It ensures top performance and quality. You get a perfect fit every time.

Check compatibility with your vehicle. Find the fitment chart in the image gallery. Get seamless installation and reliable results.

Pros Cons
  • Direct fit, no hassle installation for your Acura MDX.
  • Exceptional quality, meets or exceeds original standards.
  • Perfect compatibility, ensures optimal performance every time.
  • Seamless replacement, designed for specific vehicle models.
  • No warranty or guarantee details provided.
  • Limited compatibility with other vehicle models.
  • Single relay included, no extras or accessories.

Perfect For:

This rear window defroster relay is perfect for Acura MDX owners (2007-2015) who need a reliable replacement part. It’s easy to install and fits perfectly, ensuring your rear defroster works like new.

Ready to Purchase?

4. Rear Window Defroster Relay Compatible With Honda CR-V 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 PC-858782

Rear Window Defroster Relay Compatible With Honda CR-V 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 PC-858782

Fix your Honda CR-V’s rear window defroster with this direct replacement relay. It’s designed to fit perfectly and works just like the original. No complicated installation needed.

Check the fitment chart to make sure it’s right for your CR-V. Enjoy clear visibility again with this high-quality replacement part.

Pros Cons
  • Direct fit, no hassle installation for your Honda CR-V.
  • OE quality, reliable performance like the original part.
  • Perfect compatibility, seamless replacement for your vehicle.
  • One relay, complete solution for your rear defroster needs.
  • No warranty or guarantee details provided.
  • Limited compatibility with other vehicle models.
  • Single relay included, no extras or accessories.

Perfect For:

This Rear Window Defroster Relay is perfect for Honda CR-V owners from 2007 to 2018 who need a reliable replacement part. It’s easy to install and fits perfectly, ensuring your rear window defroster works like new.

Ready to Purchase?

5. DENSO Rear Window Defroster Relay Compatible with Toyota Sienna 2004-2007

DENSO Rear Window Defroster Relay Compatible with Toyota Sienna 2004-2007

Clear your view with the DENSO Rear Window Defroster Relay. It’s a perfect fit for your Toyota Sienna from 2004 to 2007.

This is a genuine DENSO part. It comes with original packaging and hardware. It’s a direct replacement for your old relay.

Confirm your vehicle’s fit using Amazon’s Confirmed Fit tool. Get your defroster working again today!

Pros Cons
  • Perfect fit for Toyota Sienna 2004-2007 models.
  • Genuine DENSO quality ensures reliable performance.
  • Easy installation with included original hardware.
  • Direct replacement saves time and hassle.
  • Limited compatibility with other Toyota models or years.
  • No installation instructions included in the package.
  • Higher price compared to aftermarket alternatives.

Perfect For:

This DENSO Rear Window Defroster Relay is perfect for Toyota Sienna owners with models from 2004 to 2007. It’s a direct replacement that fits perfectly and comes with genuine parts and original packaging.

Ready to Purchase?

6. PartCatalog Rear Window Defroster Relay Compatible with BMW 335i 3.0L L6 2009 2008 2007 P-2685948

PartCatalog Rear Window Defroster Relay Compatible with BMW 335i 3.0L L6 2009 2008 2007 P-2685948

Keep your rear window clear with the PartCatalog Rear Window Defroster Relay. It’s compatible with BMW 335i models from 2007 to 2009, ensuring a perfect fit for your vehicle.

This relay is a direct replacement, making installation quick and easy. No special tools or skills are needed. It’s designed to perform just like the original part.

Exceptional quality meets reliable performance with this relay. Check the fitment chart to confirm compatibility and enjoy a seamless replacement process.

Pros Cons
  • Direct fit, no hassle installation for your BMW.
  • Exceptional quality, meets or exceeds original standards.
  • Perfect compatibility, ensures optimal performance every time.
  • Seamless replacement, designed specifically for your vehicle.
  • Limited to specific BMW models, not universal.
  • No installation tools included, extra purchase needed.
  • Single relay only, no backup provided.

Perfect For:

This PartCatalog Rear Window Defroster Relay is perfect for BMW 335i owners who need a reliable replacement part. It’s easy to install and fits perfectly, ensuring your rear window defroster works like new.

Ready to Purchase?

7. PartCatalog Rear Window Defroster Relay Compatible with BMW 328i 3.0L L6 2009 2008 2007 P-2685938

PartCatalog Rear Window Defroster Relay Compatible with BMW 328i 3.0L L6 2009 2008 2007 P-2685938

PartCatalog Rear Window Defroster Relay is a direct replacement for your BMW 328i. It’s designed to fit perfectly and work like the original part.

Easy installation, exceptional quality, and perfect compatibility make this relay a smart choice. Check the fitment chart to ensure it’s right for your car.

Pros Cons
  • Perfect fit for your BMW 328i, no complications.
  • High-quality replacement, meets or exceeds original standards.
  • Easy installation, direct replacement with no fuss.
  • Reliable performance, ensures optimal rear window defrosting.
  • Limited to specific BMW models, not a universal fit.
  • No installation tools included, requires extra purchase.
  • Single-part purchase, no bulk or bundle options available.

Perfect For:

This PartCatalog Rear Window Defroster Relay is perfect for BMW 328i owners who need a reliable replacement part. It’s easy to install and fits perfectly, ensuring your rear window defroster works like new.

Ready to Purchase?

8. GMBooskr Rear Window Defroster Relay 25230-7996A for Infiniti Fx35 Fx45 G20 G35 I30 I35 J30 M30 M35 M45 M45 M56 Q45 Qx4 Qx56 for Nissan 200sx 240sx 300zx 350z 720 PickupAltima Armada Axxess

GMBooskr Rear Window Defroster Relay 25230-7996A for Infiniti Fx35 Fx45 G20 G35 I30 I35 J30 M30 M35 M45 M45 M56 Q45 Qx4 Qx56 for Nissan 200sx 240sx 300zx 350z 720 PickupAltima Armada Axxess

The GMBooskr Rear Window Defroster Relay fits many Infiniti and Nissan models. It ensures your rear window defroster works reliably. Check the OEM code before buying for a perfect match.

This relay is built to last with high-quality materials. It comes with a 1-year warranty for peace of mind.

Pros Cons
  • Fits many cars, from Infiniti to Nissan, no problem.
  • Built tough, lasts long, handles daily use with ease.
  • Works great, keeps your rear window clear and safe.
  • 1-year warranty, buy with confidence, no worries.
  • No universal fit, check compatibility first.
  • Limited warranty of only 1 year.
  • Requires careful verification before purchase.

Perfect For:

This Rear Window Defroster Relay is perfect for car owners who need a reliable and durable solution for their vehicle’s blower motor system. It’s ideal for those with Infiniti or Nissan models listed, ensuring long-lasting performance and peace of mind with a 1-year warranty.

Ready to Purchase?

9. URO 001 542 97 19 Rear Window Defroster Relay

URO 001 542 97 19 Rear Window Defroster Relay

The URO 001 542 97 19 Rear Window Defroster Relay is a single-quantity part. It comes with no core charge required, making it easy to replace.

This relay is lightweight, weighing just 0.12 lbs. It’s a simple fix for your rear window defroster. Installation is quick and easy.

Pros Cons
  • Lightweight design for easy installation and handling.
  • No core charge required, saving you time and money.
  • Single quantity ensures you get exactly what you need.
  • Reliable performance for your rear window defroster system.
  • Limited to single use, no bulk options.
  • Lightweight design may feel less durable.
  • No core charge, but no return policy.

Perfect For:

The URO 001 542 97 19 Rear Window Defroster Relay is perfect for car owners who need a reliable replacement part. It’s easy to install and works great for keeping your rear window clear.

Ready to Purchase?

10. Rear Window Defroster Relay Compatible With Mercedes-Benz 190D 2.5 Turbo 1987 PC-1004046

Rear Window Defroster Relay Compatible With Mercedes-Benz 190D 2.5 Turbo 1987 PC-1004046

Rear Window Defroster Relay is a direct replacement for your Mercedes-Benz 190D 2.5 Turbo 1987. It’s designed to fit perfectly, making installation quick and easy.

This OE replacement meets or exceeds the original equipment’s performance and quality standards. You’ll experience the same high-level performance as your original parts.

Includes one relay, check fitment chart for compatibility, seamless replacement.

Pros Cons
  • Perfect fit for your Mercedes-Benz 190D 2.5 Turbo 1987.
  • Easy installation, no complications, just a seamless replacement.
  • High-quality performance, meets or exceeds original equipment standards.
  • Direct replacement, designed specifically for your vehicle’s make and model.
  • Limited to specific Mercedes-Benz models, not universal.
  • No installation tools or instructions included.
  • Relies on image gallery for fitment details, not text.

Perfect For:

This rear window defroster relay is perfect for Mercedes-Benz 190D 2.5 Turbo 1987 owners who need a direct replacement for their vehicle. It’s easy to install and fits perfectly, giving you reliable performance every time.

Ready to Purchase?

Buying Guide

Keep your rear window clear and drive safely with the best rear window defroster relay replacements. These parts are essential for your vehicle’s defogging system, ensuring perfect visibility in all weather conditions. We’ve gathered top-quality options to help you find the perfect fit for your car.

Buying the right rear window defroster relay is easy when you know what to look for. This guide will help you make a smart choice and get back on the road with confidence.

Here are the key factors to consider:

  • Compatibility:
    Make sure the relay is designed for your car’s make and model. Check the fitment chart or OEM code to avoid mistakes.

  • Quality:
    Choose a relay made with high-quality materials for long-lasting performance. Look for genuine parts or trusted brands.

  • Ease of Installation:
    Pick a relay that’s easy to install, so you can get back on the road quickly. Direct replacements often require no special tools.

  • Reliability:
    Opt for a relay with a proven track record of reliable performance. Check reviews to see how well it works for others.

  • Warranty:
    A warranty gives you peace of mind. Look for relays with at least a 1-year warranty for added protection.

  • Price:
    Compare prices to find the best value without sacrificing quality. Affordable options are available, but don’t skimp on performance.

With these factors in mind, you’ll find the perfect rear window defroster relay for your vehicle. Drive safely and enjoy clear visibility in any weather!