Description
Product Overview
The HiSport analog coolant temperature sensor (model 37870-RTA-005) is engineered to meet OEM specifications for a wide range of Honda and Acura vehicles. Constructed from high‑quality, corrosion‑resistant materials, the sensor provides accurate temperature feedback with a tolerance of ±3.5%. Weighing just 50 grams and measuring 2.52 x 1.14 x 1.10 inches, it integrates effortlessly into the engine cooling circuit, delivering reliable data to the ECU for optimal fuel‑air mixture and emission control.
Usage
This sensor is ideal for daily commuters, performance enthusiasts, and fleet operators who demand consistent engine cooling. It performs flawlessly in standard driving conditions, stop‑and‑go traffic, and demanding climates up to 100 °C. Compatible with Honda Civic (2006‑2020), CR‑V (2007‑2017), Accord, Element, HR‑V, Odyssey, Acura ILX, MDX, RDX, RLX, TLX and many other models, it ensures precise temperature monitoring for both street and light‑track use.

Why Choose Us
HiSport combines rigorous engineering with strict quality control to produce a sensor that matches or exceeds original equipment standards. Each unit undergoes functional testing for accuracy and durability before shipping. The lightweight design reduces strain on mounting brackets, while the analog output guarantees compatibility with older vehicle ECUs that rely on voltage‑based temperature signals. Our responsive customer support assists with fitment verification and installation guidance.
Key Features
- High‑precision analog output with ±3.5% measurement accuracy
- Lightweight 50 g construction for easy handling and reduced stress on mounts
- OEM‑compatible fit for a broad range of Honda and Acura models
- Durable, corrosion‑resistant housing suitable for temperatures up to 100 °C
- Simple plug‑and‑play installation with no additional modifications required
FAQ
Is this sensor a direct replacement for the factory part?
Yes, the HiSport sensor matches the original equipment specifications and can be installed in place of the factory unit without any modifications.
What vehicles are compatible with this sensor?
It fits Honda Civic (2006‑2020), CR‑V (2007‑2017), Accord, Element, HR‑V, Odyssey, Acura ILX, MDX, RDX, RLX, TLX and many other models listed in the fitment guide.
How do I verify the sensor’s accuracy after installation?
Connect a diagnostic scan tool to read the coolant temperature voltage. Compare the reading with a known temperature source; it should be within the ±3.5% tolerance range.
Can this sensor be used in high‑performance applications?
While designed for standard and mild‑performance use, the sensor’s robust construction handles typical performance demands, but extreme racing conditions may require a specialized racing‑grade sensor.
What is the warranty period for this product?
HiSport offers a 12‑month limited warranty covering manufacturing defects and performance issues under normal use.






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