Looking for the best thermostat water pump switch sensors for your Polaris ATV or UTV? We’ve compiled a list of the top 10 sensors to keep your vehicle running smoothly and efficiently.
Keeping your Polaris ATV or UTV running smoothly is essential for any outdoor enthusiast. One key component to ensure your vehicle’s performance is the thermostat water pump switch sensor. This small but vital part helps regulate your engine’s temperature, preventing overheating and ensuring reliable operation.
Choosing the right sensor can make all the difference. With so many options available, it’s important to find one that fits your model perfectly and offers durable performance. Whether you’re tackling tough trails or cruising through open fields, a high-quality sensor keeps your ride cool and efficient.
We’ve tested and reviewed the best thermostat water pump switch sensors for Polaris vehicles. From easy installation to long-lasting materials, these sensors are designed to meet your needs. Dive in to discover the top picks that will keep your Polaris running like new.
List of Top 10 Thermostat Water Pump Switch Sensors
| Image | Title | Best For | Price |
|---|---|---|---|
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M MATI Thermostat Water Pump Switch Sensor for Polaris ATV UTV Sportsman Magnum Ranger Xpedition 325 400 425 455 500 4X4 6X6 500 600 700 3085352 4010356 |
This thermostat water pump switch sensor is perfect for Polaris ATV and UTV owners who need a reliable replacement part. It’s easy to install and built to last, fitting many models from 1996 to 2014. |
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M MATI Thermostat & Water Pump Switch Sensor for Polaris Sportsman 500 400 Magnum 425 500 Ranger 425 500 Scrambler 500 Die-sel 455 ATP 500 Big Boss 500 Xpedition 425 325 Xplorer 500 |
This thermostat and water pump switch sensor is perfect for Polaris ATV and UTV owners who want a reliable, long-lasting solution. It’s easy to install and works great in all weather conditions. |
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1PZ KV5-LS2 Thermostat & Water Pump Switch Sensor for Polaris Sportsman 500 400 Magnum 425 500 Ranger 425 500 Scrambler 500 Die-sel 455 ATP 500 Big Boss 500 Xpedition 425 325 Xplorer 500 |
This thermostat and water pump switch sensor is perfect for Polaris ATV and UTV owners who need a reliable replacement part. It’s easy to install and works great for models like Sportsman, Ranger, and Magnum. |
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JAVIK Thermostat Water Pump Switch Sensor Fit for Polaris Frontier Magnum Predator Ranger Scrambler Sportsman 400 425 500, OEM#3085352 4010356 |
This thermostat water pump switch sensor is perfect for Polaris ATV/UTV owners who need a reliable replacement part. It fits many Polaris models and is easy to install. |
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Caltric Thermostat Water Pump Switch Sensor |
This Caltric Thermostat Water Pump Switch Sensor is perfect for Polaris owners who need a reliable replacement part. It’s easy to install and works with many Polaris models, keeping your vehicle running smoothly. |
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DriveFix Thermostat Water Pump Switch Sensor for Polaris Sportsman 500 400 ATP 500 Big Boss 500 6×6 Diesel Hawkeye Magnum 425 500 Xpedition 425 325 Ranger 425 500 Worker Xplorer 500 Scrambler 500 |
This product is perfect for riders who want their Polaris to run smooth and stay cool on every trip. It is great for anyone who needs a simple, reliable fix for their Sportsman, Ranger, Scrambler, or other Polaris models. |
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YCUPONE Thermostat and Water Pump Switch Sensor 3084940 Compatible with Po-la-ris Sportsman 500 400 Magnum 425 500 Ranger 425 500 Scrambler 500 ATP 500 Big Boss 500 Xpedition 425 325 Xplorer 500 |
This YCUPONE Thermostat and Water Pump Switch Sensor is perfect for owners of Po-la-ris Sportsman, Magnum, Ranger, Scrambler, and other compatible models. It’s ideal for keeping your vehicle running smoothly with easy installation and reliable performance. |
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SUKATC 3084940 Thermostat & 3085352 4010356 Water Pump Switch Sensor Compatible with Polaris Sportsman 500 400 Magnum 425 500 Ranger 425 500 Predator 500 Outlaw 500 |
This product is perfect for Polaris owners who need reliable replacement parts. It’s easy to install and works great for keeping your ride running smoothly. |
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Caltric Thermostat Water Pump Switch Sensor Compatible with Polaris Sportsman 500 6X6 2000-2004 / Sportsman 500 Touring Ho 2010-2013 |
This Caltric Thermostat Water Pump Switch Sensor is perfect for Polaris owners who need a reliable replacement part. It’s compatible with many Polaris models, making it a great fit for your ATV or UTV. |
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Replacement For Thermostat Water Pump Switch Sensor for Polaris Sportsman 500 6X6 2000-2004 Mod-C26C-2847 |
This part is perfect for Polaris Sportsman 500 6X6 owners who want a quick, easy, and reliable fix. It’s great for anyone who needs a strong, long‑lasting, and precise sensor for smooth rides. |
Detailed Reviews
Discover the top 10 Thermostat Water Pump Switch Sensors for your Polaris ATV or UTV. Each product is expert-reviewed and backed by customer feedback, ensuring reliable performance and easy installation. Whether you need durability, affordability, or perfect fit, this guide helps you find the best sensor for your vehicle. Read on to make an informed choice and keep your ride running smoothly.
1. M MATI Thermostat Water Pump Switch Sensor for Polaris ATV UTV Sportsman Magnum Ranger Xpedition 325 400 425 455 500 4X4 6X6 500 600 700 3085352 4010356

The M MATI Thermostat Water Pump Switch Sensor is a must-have replacement part for your Polaris ATV or UTV. It’s designed to fit a wide range of models.
This sensor is built to last, made with premium materials for long-lasting performance. It’s easy to install, so you can get back on the trail quickly. The OEM specification ensures a perfect fit.
We stand behind our product with a 1-year service guarantee. If you have any issues, contact us for a quick solution. We’re here to help you keep your vehicle running smoothly.
| Pros | Cons |
|---|---|
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Perfect For:
This thermostat water pump switch sensor is perfect for Polaris ATV and UTV owners who need a reliable replacement part. It’s easy to install and built to last, fitting many models from 1996 to 2014.
Ready to Purchase?
2. M MATI Thermostat & Water Pump Switch Sensor for Polaris Sportsman 500 400 Magnum 425 500 Ranger 425 500 Scrambler 500 Die-sel 455 ATP 500 Big Boss 500 Xpedition 425 325 Xplorer 500

The M MATI Thermostat & Water Pump Switch Sensor is built tough for Polaris ATVs and UTVs. It fits many models like Sportsman, Ranger, and Magnum. This part keeps your vehicle running smoothly in all weather.
Made from premium metal, it’s sturdy and rust-proof. It’s easy to install and works right away.
The package includes one thermostat and one water pump switch sensor. It comes in a fine box. If there’s an issue, contact us for help within one year.
| Pros | Cons |
|---|---|
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Perfect For:
This thermostat and water pump switch sensor is perfect for Polaris ATV and UTV owners who want a reliable, long-lasting solution. It’s easy to install and works great in all weather conditions.
Ready to Purchase?
3. 1PZ KV5-LS2 Thermostat & Water Pump Switch Sensor for Polaris Sportsman 500 400 Magnum 425 500 Ranger 425 500 Scrambler 500 Die-sel 455 ATP 500 Big Boss 500 Xpedition 425 325 Xplorer 500

The 1PZ KV5-LS2 Thermostat & Water Pump Switch Sensor is a must-have for Polaris ATV and UTV owners. It fits many models, including Sportsman, Magnum, and Ranger. This sensor ensures your vehicle runs smoothly and efficiently.
Made from premium metal, it’s built to last with corrosion resistance. Its plug-and-play design makes installation easy. It works reliably in all weather, keeping your engine cool and performing well.
Each package includes 1 thermostat and 1 water pump switch. If you have questions, our team is ready to help!
| Pros | Cons |
|---|---|
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Perfect For:
This thermostat and water pump switch sensor is perfect for Polaris ATV and UTV owners who need a reliable replacement part. It’s easy to install and works great for models like Sportsman, Ranger, and Magnum.
Ready to Purchase?
4. JAVIK Thermostat Water Pump Switch Sensor Fit for Polaris Frontier Magnum Predator Ranger Scrambler Sportsman 400 425 500, OEM#3085352 4010356

The JAVIK Thermostat Water Pump Switch Sensor is a perfect fit for many Polaris ATV/UTV models. It works with Frontier, Magnum, Predator, Ranger, Scrambler, and Sportsman vehicles. This part is designed to match your Polaris perfectly.
Made from high-quality materials, this sensor is built to last. It resists corrosion and ensures long-lasting performance. Installation is quick and easy, so you can get back on the trail fast.
We stand behind our product with a 12-month quality guarantee. If you have any issues or questions, our team is here to help. Trust JAVIK for reliable Polaris parts.
| Pros | Cons |
|---|---|
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Perfect For:
This thermostat water pump switch sensor is perfect for Polaris ATV/UTV owners who need a reliable replacement part. It fits many Polaris models and is easy to install.
Ready to Purchase?
5. Caltric Thermostat Water Pump Switch Sensor

This sensor switch helps keep your engine cool. It works fast and fits your Polaris with ease.
It fits many Polaris 400 and 500 models. It comes as one simple sensor. It uses part number 3085352.
It is easy to match with your old part. The picture helps you compare. The fit is quick and clear.
| Pros | Cons |
|---|---|
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Perfect For:
This Caltric Thermostat Water Pump Switch Sensor is perfect for Polaris owners who need a reliable replacement part. It’s easy to install and works with many Polaris models, keeping your vehicle running smoothly.
Ready to Purchase?
6. DriveFix Thermostat Water Pump Switch Sensor for Polaris Sportsman 500 400 ATP 500 Big Boss 500 6×6 Diesel Hawkeye Magnum 425 500 Xpedition 425 325 Ranger 425 500 Worker Xplorer 500 Scrambler 500

The DriveFix Thermostat Water Pump Switch Sensor is a must-have for Polaris ATV/UTV owners. It works with many models, from Sportsman 500 to Ranger 500.
The package includes a thermostat and a water pump switch sensor. These parts help keep your vehicle running smoothly. Easy to install and built to last.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for riders who want their Polaris to run smooth and stay cool on every trip. It is great for anyone who needs a simple, reliable fix for their Sportsman, Ranger, Scrambler, or other Polaris models.
Ready to Purchase?
7. YCUPONE Thermostat and Water Pump Switch Sensor 3084940 Compatible with Po-la-ris Sportsman 500 400 Magnum 425 500 Ranger 425 500 Scrambler 500 ATP 500 Big Boss 500 Xpedition 425 325 Xplorer 500

The YCUPONE Thermostat and Water Pump Switch Sensor is a reliable replacement part for your vehicle. It is compatible with many Polaris models, ensuring a perfect fit.
This product works with Sportsman, Ranger, and Scrambler models from 1996 to 2014. It also fits Magnum, Big Boss, and Xpedition vehicles from 1996 to 2004. The part numbers match OEM specifications.
The package includes a thermostat and a water pump switch sensor. These parts help regulate engine temperature and cooling system performance. Installation is simple and straightforward.
| Pros | Cons |
|---|---|
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Perfect For:
This YCUPONE Thermostat and Water Pump Switch Sensor is perfect for owners of Po-la-ris Sportsman, Magnum, Ranger, Scrambler, and other compatible models. It’s ideal for keeping your vehicle running smoothly with easy installation and reliable performance.
Ready to Purchase?
8. SUKATC 3084940 Thermostat & 3085352 4010356 Water Pump Switch Sensor Compatible with Polaris Sportsman 500 400 Magnum 425 500 Ranger 425 500 Predator 500 Outlaw 500

The SUKATAC 3084940 Thermostat and 3085352 4010356 Water Pump Switch Sensor are essential parts for your Polaris vehicle. They fit many models, ensuring smooth performance.
These parts are brand new and ready to use. The package includes one thermostat and one water pump switch sensor. They are easy to install and work well.
With superior performance, these parts keep your vehicle running at its best. The dedicated service ensures you get reliable support. Trust these parts for long-lasting use.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for Polaris owners who need reliable replacement parts. It’s easy to install and works great for keeping your ride running smoothly.
Ready to Purchase?
9. Caltric Thermostat Water Pump Switch Sensor Compatible with Polaris Sportsman 500 6X6 2000-2004 / Sportsman 500 Touring Ho 2010-2013

The Caltric Thermostat Water Pump Switch Sensor is a reliable replacement part for your Polaris vehicle. It fits many models, ensuring a perfect match. This sensor switch is easy to install.
It works with Polaris Sportsman, Magnum, and Scrambler models. The part number is 3085352, making it simple to identify.
This sensor switch is a cost-effective solution for your vehicle. It helps regulate temperature, keeping your engine running smoothly. Always compare the picture to ensure the right fit.
| Pros | Cons |
|---|---|
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Perfect For:
This Caltric Thermostat Water Pump Switch Sensor is perfect for Polaris owners who need a reliable replacement part. It’s compatible with many Polaris models, making it a great fit for your ATV or UTV.
Ready to Purchase?
10. Replacement For Thermostat Water Pump Switch Sensor for Polaris Sportsman 500 6X6 2000-2004 Mod-C26C-2847

Keep your Polaris Sportsman 500 6X6 running smoothly with this replacement thermostat water pump switch sensor. It’s designed to match OEM specs for a perfect fit. Made from high-quality materials, it ensures durability and long life.
This part is tested for reliability and works without needing modifications. It’s ideal for repairs or restoration, helping your vehicle perform at its best.
| Pros | Cons |
|---|---|
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Perfect For:
This part is perfect for Polaris Sportsman 500 6X6 owners who want a quick, easy, and reliable fix. It’s great for anyone who needs a strong, long‑lasting, and precise sensor for smooth rides.
Ready to Purchase?
Buying Guide
Choosing the right thermostat water pump switch sensor keeps your Polaris running smoothly. It’s a small part with a big job.
Here’s what to look for when buying:
- Compatibility: Make sure the sensor fits your Polaris model. Check the OEM part number or vehicle list to avoid mistakes.
- Material Quality: Look for premium metal or durable materials that resist rust and last longer.
- Ease of Installation: Choose a plug-and-play design for quick and hassle-free setup.
- Performance: Ensure it regulates engine temperature well, preventing overheating and keeping your ride cool.
- Warranty: A 1-year guarantee or similar warranty gives you peace of mind and reliable support.
- Price: Compare prices to find a cost-effective solution without sacrificing quality.
Engage with your purchase: Read reviews, check pictures, and ask questions to make sure it’s the right fit for your Polaris.