Engine Coolant Water Temperature Sensor for MG 3SW/5/6 (Engine Coolant Water Temperature Sensor) MG 3SW
Engine Coolant Water Temperature Sensor for MG 3SW/5/6 (Engine Coolant Water Temperature Sensor) MG 3SW
Engine Coolant Water Temperature Sensor for MG 3SW/5/6 (Engine Coolant Water Temperature Sensor) MG 3SW
Engine Coolant Water Temperature Sensor for MG 3SW/5/6 (Engine Coolant Water Temperature Sensor) MG 3SW

Engine Coolant Water Temperature Sensor for MG 3SW/5/6

Regular price $14.99
Sale price $14.99 Regular price $19.99
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OEM-quality water temperature sensor for MG 3SW, 5, and 6 with corrosion-resistant construction and plug-and-play installation. Precisely monitors engine coolant temperature to optimize fuel injection, ignition timing, and fuel economy without engine bay modifications.

Install time 45-60 minutes
Drilling No - bolt-on
Warranty Yes - non-invasive
Guaranteed Fit — Zero Purchase Risk
Verified for your vehicle. If these parts don't fit, we cover return shipping and issue a full refund. No questions asked.
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Engine Coolant Water Temperature Sensor for MG 3SW/5/6 (Engine Coolant Water Temperature Sensor) MG 3SW

Engine Coolant Water Temperature Sensor for MG 3SW/5/6

Precision Fit Guaranteed

Every part verified against OEM vehicle data. Guaranteed to fit your vehicle — or we cover return shipping and issue a full refund.

Engineered for EV Platforms

Parts designed for BYD, Tesla, MG, GWM, and KIA — OEM-spec quality, tested for EV electrical systems and caliper compatibility.

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Features & Benefits

  • Precise Temperature Monitoring: Accurately detects engine coolant temperature to optimize fuel injection and ignition timing for enhanced performance and reliability.
  • OEM Quality Standards: Manufactured to original equipment specifications ensuring reliable fit and function across MG 3SW, 5, and 6 models.
  • Improved Engine Efficiency: Helps maintain optimal operating temperature, reducing emissions and improving fuel economy.
  • Easy Installation: Direct plug-and-play design with no modifications required to existing engine bay components.
  • Durable Construction: Built with corrosion-resistant materials to withstand harsh engine conditions and extended service life.
  • Diagnostic Compatibility: Works seamlessly with vehicle onboard diagnostic systems for accurate temperature readings and fault detection.

What's Included

1x Engine Coolant Water Temperature Sensor, 1x Installation gasket, 1x Connector seal

Confirmed compatible vehicles for this part. Use the vehicle selector above to verify fitment for your specific car.

Year Range Brand Model
2024-2024 MG 3SW
2011-2025 MG 5
2010-2024 MG 6
⚠ Compatibility note
For specific model/year/variant compatibility, please send your VIN or vehicle details to support@evparts4x4.com — we'll confirm fitment within 24 hours.

Not sure about compatibility? Contact us — we'll confirm within 24 hours.

Total time
45-60 minutes
Drilling required
No - bolt-on
Warranty
Yes - non-invasive
  1. Locate Sensor Position Identify the water temperature sensor on your MG engine block or thermostat housing. Consult your vehicle's service manual for the exact location specific to your model year.
  2. Disconnect Battery Disconnect the negative battery terminal to prevent electrical shorts and ensure safe working conditions during installation.
  3. Drain Coolant System Allow the engine to cool completely, then carefully drain the coolant into a suitable container. You may need to remove the radiator cap to speed up drainage.
  4. Remove Old Sensor Unscrew the old temperature sensor using the appropriate wrench or socket. Be prepared for residual coolant spillage and have towels ready.
  5. Install New Sensor Thread the new sensor into the mounting location by hand first, then tighten securely with your wrench. Do not over-tighten as this may damage the sensor.
  6. Reconnect Electrical Connector Plug the sensor's electrical connector firmly into place until you hear or feel a click, ensuring a secure connection.
  7. Refill Coolant System Pour the appropriate coolant mixture back into the radiator until it reaches the full mark. Start the engine and check for leaks around the sensor installation point.
  8. Reconnect Battery Reconnect the negative battery terminal and clear any diagnostic trouble codes using a scanner if necessary.
Yes, this sensor is compatible with MG 5 models from 2011 to 2025, so your 2015 MG 5 is fully supported. Simply select the MG 5 SKU variant when ordering to ensure you receive the correct fitment for your vehicle.
Each SKU variant is engineered specifically for its respective MG model to ensure proper fitment and function. The MG 3SW variant fits 2024 models, the MG 5 variant covers 2011–2025 models, and the MG 6 variant is compatible with 2010–2024 models. Choose the SKU that matches your exact vehicle model to guarantee a direct plug-and-play installation without modifications.
Yes, the MG 6 variant of this sensor is compatible with models from 2010 to 2024, so your 2010 MG 6 is fully supported. This sensor is manufactured to OEM quality standards and will fit your vehicle without any engine bay modifications required.
Installation typically takes 1–2 hours for a DIYer with basic mechanical experience, as the sensor uses a direct plug-and-play design with no modifications needed. The main time investment is allowing the engine to cool, draining and refilling the coolant system, and ensuring all connections are secure. If you're unfamiliar with coolant system work, we recommend having a qualified technician handle the installation to avoid spillage or air locks in the cooling system.
The package includes one engine coolant water temperature sensor, one installation gasket, and one connector seal. These components ensure a proper seal and secure electrical connection when you install the sensor into your MG's cooling system.
This sensor is manufactured to OEM quality standards and is a direct replacement for the original part, so it should not negatively impact your vehicle's warranty. However, we recommend contacting your MG dealer with your vehicle's VIN to confirm warranty coverage before installation, as warranty policies can vary by region and model year.
The sensor is built with corrosion-resistant materials designed to withstand harsh engine conditions and extended service life. It is engineered to work seamlessly with your vehicle's onboard diagnostic systems for accurate temperature readings and fault detection, ensuring reliable performance across a wide range of operating temperatures.
Use the vehicle selector at the top of this page to confirm fitment for your specific year, brand, and model. If your vehicle is not listed or you're unsure, contact us at support@evparts4x4.com with your VIN — we'll confirm compatibility within 24 hours. Our Guaranteed Fit policy means if a compatibility issue is on our end, we'll make it right.
Orders are processed and dispatched within 2-4 business days. Standard parts ship via Air Parcel and typically arrive in 10-15 business days; larger body parts ship via Sea Freight and take around 30-45 business days. Shipping is free on orders over $100. You'll receive a tracking number once your order ships, and can track it anytime here. Full details in our Shipping Policy.
Yes — we offer a 30-day return window from the delivery date, and we don't charge any restocking fees. If an item arrives damaged or isn't quite right on our end, we'll arrange a replacement or full refund and cover the return shipping. For the complete terms, please see our Return & Refund Policy or start a return via our RMA page.
We don't provide installation directly, but most of our parts are designed for straightforward DIY installation — the step-by-step guide is in the Installation Guide tab above. For complex parts (e.g. brakes, suspension, electrical systems), we recommend having a qualified mechanic perform the installation. If you have technical questions during installation, our support team is happy to help at support@evparts4x4.com.