Looking for the best compatible defroster relays for your car? We’ve curated a list of 10 top-rated, easy-to-install relays that fit perfectly with various vehicles, ensuring clear windows and a safe drive.
Looking for the best defroster relay for your car? You’re in the right place! We’ve gathered top-rated, compatible relays to keep your windows clear and your drive safe.
These relays are easy to install, built to last, and fit perfectly with your vehicle. No more foggy windows or frustrating repairs.
From Toyota to BMW, we’ve got you covered. Find the perfect match for your car and enjoy a hassle-free upgrade.
List of Top 10 Compatible Defroster Relays
| Image | Title | Best For | Price |
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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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(Pack of 4) High Power 4-Pin Fuse Box Relay 13500114/8385 – 12V 40A OEM Compatible Relay for GM AC Fan, Starters, Lights & More |
This 4-pack of high-power relays is perfect for GM owners who need reliable replacements for their AC fans, starters, lights, and more. It’s easy to install and built to last, making it ideal for DIY repairs or keeping backups handy. |
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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, so you can get back on the road quickly. |
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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 for their 2007-2009 model. It’s easy to install and fits perfectly, ensuring your rear window defroster works like new. |
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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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Wells WVE Rear Window Defroster Relay compatible with Chevrolet Cobalt Corvette Equinox Express 1500 Express 2500 Express 3500 M 1997-2012 |
This Wells WVE Rear Window Defroster Relay is perfect for Chevrolet owners who need a reliable replacement part. It’s easy to install and fits multiple models from 1997 to 2012. |
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Defroster Relay 90987-04006 Compatible with Lexus LS600H RX350 RX450H Toyota Corolla MR2 Spyder Solara Prius Tacoma T100 RAV4 |
This Defroster Relay is perfect for car owners who need a reliable replacement part. It’s compatible with many Lexus and Toyota models, making it easy to fix your vehicle. |
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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 |
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 defroster works like new. |
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Geradepart RY-601 Window Defroster Relay Fit for Chevrolet Fit for Gmc Avalanche Suburban 1500 2500 Tahoe Savana 3500 Yukon XL 96-11, 1R1056 1R2064 12088567 12135170 13500114 15-50688 |
This Geradepart RY-601 Window Defroster Relay is perfect for drivers who need a reliable replacement part for their Chevrolet, GMC, Dodge, or Cadillac vehicles. It’s easy to install and fits many models from 1996 to 2011. |
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90987-04006 Defroster Relay Compatible with Lexus LS600H RX350 RX450H Toyota Corolla MR2 Spyder Solara Prius Tacoma T100 RAV4 |
This defroster relay is perfect for car owners who need a reliable replacement part. It’s ideal for Lexus and Toyota models, ensuring your vehicle stays in top shape. |
Detailed Reviews
Discover the top 10 Compatible Defroster Relays carefully selected for quality, performance, and value. Each product is expert-reviewed and backed by customer feedback, ensuring you get the best fit for your vehicle. Whether you need reliability, affordability, or ease of installation, this guide has you covered. Find the perfect relay to keep your rear window clear and your drive smooth.
1. DENSO Rear Window Defroster Relay Compatible with Toyota Sienna 2004-2007

The DENSO Rear Window Defroster Relay is a direct replacement for your Toyota Sienna. It fits models from 2004 to 2007. This part ensures your rear window defroster works perfectly.
This relay is a genuine DENSO part, so you know it’s high quality. It comes with original packaging and all the hardware you need. Installation is simple and straightforward.
With Amazon Confirmed Fit, you can double-check it’s right for your car. This part is reliable and built to last. Keep your rear window clear in cold weather.
| Pros | Cons |
|---|---|
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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?
2. (Pack of 4) High Power 4-Pin Fuse Box Relay 13500114/8385 – 12V 40A OEM Compatible Relay for GM AC Fan, Starters, Lights & More

Upgrade your GM vehicle with this pack of 4 high-power relays. They are direct replacements for various GM models. Save time and money with this OEM-compatible solution.
These 4-pin relays are built to last, handling up to 40A of power. Resistant to heat and corrosion, they ensure reliable performance in any condition.
Power multiple systems like AC, lights, and starters. Easy to install, these relays are perfect for DIY repairs. Get 4 relays at a great price for all your needs.
| Pros | Cons |
|---|---|
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Perfect For:
This 4-pack of high-power relays is perfect for GM owners who need reliable replacements for their AC fans, starters, lights, and more. It’s easy to install and built to last, making it ideal for DIY repairs or keeping backups handy.
Ready to Purchase?
3. PartCatalog Rear Window Defroster Relay Compatible with BMW 335i 3.0L L6 2009 2008 2007 P-2685948

Keep your BMW’s rear window clear with the PartCatalog Rear Window Defroster Relay. This direct replacement part is designed for a perfect fit and easy installation. It works just like the original, so you can trust its performance.
This relay is made to last and meets high quality standards. It’s a reliable choice for your BMW 335i, ensuring your defroster works when you need it. Say goodbye to foggy windows and hello to clear visibility.
Check the fitment chart to confirm compatibility with your vehicle. With this simple upgrade, you’ll enjoy a hassle-free driving experience.
| Pros | Cons |
|---|---|
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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, so you can get back on the road quickly.
Ready to Purchase?
4. 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 works just like the original part.
Easy installation, exceptional quality, and perfect compatibility make this relay a smart choice. Check the fitment chart to ensure it matches your vehicle.
| Pros | Cons |
|---|---|
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Perfect For:
This PartCatalog Rear Window Defroster Relay is perfect for BMW 328i owners who need a reliable replacement for their 2007-2009 model. It’s easy to install and fits perfectly, ensuring your rear window defroster works like new.
Ready to Purchase?
5. Rear Window Defroster Relay Compatible With Acura MDX 2007 2008 2009 2010 2011 2012 2013 2014 2015 PC-858743

Keep your Acura MDX’s rear window clear with this Rear Window Defroster Relay. It’s a direct replacement for your original part. No fuss, no complications.
This relay is designed to meet or exceed the performance and quality standards of your original equipment. It’s a perfect fit for your vehicle, ensuring optimal performance.
Check the fitment chart to confirm compatibility with your Acura MDX. Get the perfect fit and experience the same high-level performance as your original parts.
| Pros | Cons |
|---|---|
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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?
6. Wells WVE Rear Window Defroster Relay compatible with Chevrolet Cobalt Corvette Equinox Express 1500 Express 2500 Express 3500 M 1997-2012

The Wells WVE Rear Window Defroster Relay is a direct replacement for your Chevrolet. It works with many models, from Cobalt to Express 3500, made between 1997 and 2012.
This part is genuine Wells WVE, comes in original packaging, and includes all hardware. Check your vehicle fit with Amazon Confirmed Fit for a perfect match.
| Pros | Cons |
|---|---|
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Perfect For:
This Wells WVE Rear Window Defroster Relay is perfect for Chevrolet owners who need a reliable replacement part. It’s easy to install and fits multiple models from 1997 to 2012.
Ready to Purchase?
7. Defroster Relay 90987-04006 Compatible with Lexus LS600H RX350 RX450H Toyota Corolla MR2 Spyder Solara Prius Tacoma T100 RAV4

The Defroster Relay 90987-04006 is a reliable replacement part for many Lexus and Toyota models. It ensures your defroster works smoothly, keeping your windshield clear.
Check the part number before ordering. Match it with 90987-04006 or 156700-1580. If unsure, contact us for help.
This part is compatible with popular models like the Lexus LS600H, Toyota Prius, and RAV4. It’s a simple fix to keep your car running well.
| Pros | Cons |
|---|---|
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Perfect For:
This Defroster Relay is perfect for car owners who need a reliable replacement part. It’s compatible with many Lexus and Toyota models, making it easy to fix your vehicle.
Ready to Purchase?
8. Rear Window Defroster Relay Compatible With Honda CR-V 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 PC-858782

Replace your rear window defroster relay with confidence. This OE replacement part is designed to meet or exceed the quality of your original equipment. It ensures reliable performance for your Honda CR-V.
Installation is quick and easy. The relay is a direct fit for your vehicle, with no complications. Enjoy a seamless replacement process that saves you time and effort.
Check compatibility using our fitment chart. This relay is perfectly matched for optimal performance. Get the right part every time.
| Pros | Cons |
|---|---|
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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 defroster works like new.
Ready to Purchase?
9. Geradepart RY-601 Window Defroster Relay Fit for Chevrolet Fit for Gmc Avalanche Suburban 1500 2500 Tahoe Savana 3500 Yukon XL 96-11, 1R1056 1R2064 12088567 12135170 13500114 15-50688

The Geradepart RY-601 Window Defroster Relay is a replacement part for many vehicles. It works with Chevrolet, GMC, Dodge, and Cadillac models. This part helps your rear window defroster work properly.
This relay fits many year and model combinations. It replaces several OE part numbers. Check your vehicle’s make, model, and year to ensure compatibility.
Installing this relay is simple and straightforward. It’s a direct replacement for your old or faulty relay. Get your rear window defroster working like new again.
| Pros | Cons |
|---|---|
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Perfect For:
This Geradepart RY-601 Window Defroster Relay is perfect for drivers who need a reliable replacement part for their Chevrolet, GMC, Dodge, or Cadillac vehicles. It’s easy to install and fits many models from 1996 to 2011.
Ready to Purchase?
10. 90987-04006 Defroster Relay Compatible with Lexus LS600H RX350 RX450H Toyota Corolla MR2 Spyder Solara Prius Tacoma T100 RAV4

The 90987-04006 Defroster Relay is compatible with many Lexus and Toyota models. It works with cars like the LS600H, RX350, and Prius. This part ensures your defroster works smoothly and reliably.
Before buying, check the part number and model. Use the appearance image to avoid mistakes. If unsure, send us a picture of your current part for help.
We offer quick support for any questions. You’ll get a reply within 24 hours. Trust us for the right parts every time.
| Pros | Cons |
|---|---|
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Perfect For:
This defroster relay is perfect for car owners who need a reliable replacement part. It’s ideal for Lexus and Toyota models, ensuring your vehicle stays in top shape.
Ready to Purchase?
Buying Guide
Looking for a defroster relay? We’ve got you covered! Our guide helps you find the perfect match for your car.
Buying a defroster relay is easy with our help. We’ll show you what to look for and share top picks. Get ready for clear windows and safe drives!
Here’s what to consider when buying:
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Compatibility: Make sure the relay fits your car’s make and model. Check the year and engine type too.
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Quality: Choose a reliable brand with good reviews. Look for OEM-compatible or genuine parts for long-lasting performance.
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Ease of Installation: Pick a relay that’s easy to install. Some come with hardware and clear instructions for a hassle-free upgrade.
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Performance: Ensure the relay works like the original. It should handle power well and keep your windows clear in cold weather.
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Price: Compare prices for the best value. A pack of relays might save you money if you need multiple replacements.
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Warranty and Support: Look for relays with a warranty or customer support. This adds peace of mind if something goes wrong.
With these tips, you’ll find the perfect defroster relay for your car. Enjoy clear visibility and a smooth drive!