DOICOO Coolant Temperature Sensor for Honda & Acura 37870-PNA-003 — OEM-fit Direct Replacement

DOICOO 37870-PNA-003 is a direct-replacement coolant temperature sensor engineered to match OEM fit and performance for many Honda and Acura vehicles.

This replacement engine coolant temperature sensor monitors engine coolant temperature and communicates with your vehicle’s engine control systems. It is manufactured to meet OEM specifications, is tested before shipment, and is designed as a straightforward swap for compatible Honda and Acura models so you can restore accurate temperature readings and avoid erroneous engine codes.

Which vehicles does this sensor fit?

DOICOO lists multiple OEM part-number equivalents so you can confirm compatibility before purchase. It fits a range of Honda and Acura models across model years commonly requiring the 37870-series sensor.

• Compatible OEM numbers: 37870-PLC-004, 37870-PNA-002, 37870-PNA-003 (and numeric variations without dashes).
• Common fitments include Honda Civic and Element (2001–2011), Accord, CR-V (2003–2007), Pilot, RL, and TSX.
• Always compare the part number and connector style with your existing sensor before ordering.

How reliable and durable is this replacement sensor?

DOICOO builds the sensor from automotive-grade materials and tests units prior to shipment to ensure stable operation. The sensor is intended to meet OEM performance and withstand normal under-hood environments for long-term service.

• Manufactured to OEM standards for consistent signal output.
• Pre-shipment testing helps reduce early-failure risk.
• Box packaging protects the part during transport.

Will installation require special tools or programming?

This sensor is designed as a direct replacement so it typically installs without calibration or ECU programming. The unit uses the same mounting and connector format as the original sensor, enabling a quick exchange with basic hand tools.

• No special tools or reprogramming required in most cases.
• Installation steps: diagnose code, disconnect wiring, remove old sensor, install new sensor, clear codes.
• If fault codes persist, verify wiring and connector integrity or re-check part compatibility.

What warranty and support come with the sensor?

DOICOO provides a one-year quality warranty for this coolant temperature sensor to cover manufacturing defects or early failures under normal use. The manufacturer asks that customers contact their support team first for a faster resolution during the warranty period.

• One-year warranty covers quality-related issues.
• Contact DOICOO customer service for troubleshooting and warranty claims.
• Keep proof of purchase and vehicle fitment information handy when contacting support.

Who is this for: This DOICOO coolant temperature sensor is intended for owners and mechanics replacing a failed or suspect sensor on compatible Honda or Acura vehicles. It’s a good choice for DIY installers and repair shops seeking a cost-effective, OEM-standard replacement that installs without programming and helps restore accurate engine temperature readings and related performance.