Genuine Honda 37870-RAA-A01 Water Temperature Sensor
High-quality water (coolant) temperature sensor designed to provide accurate engine temperature readings to the vehicle’s ECU. Ideal as a direct-replacement part to help maintain proper engine management, fuel delivery and cooling system performance.
Features
- Genuine Honda part number: 37870-RAA-A01
- Monitors engine coolant temperature and sends signal to the vehicle’s control systems
- Direct-fit replacement for compatible Honda models (verify fitment by part number)
- Durable construction for reliable, long-term operation
Specifications
- Product type: Auto part
- Country of origin: China
- Package dimensions: 12.7 cm (L) × 7.111 cm (W) × 1.524 cm (H)
- ≈ 5.00 in × 2.80 in × 0.60 in
- Package weight: 2.0 lbs (≈ 0.91 kg)
Notes
- Always confirm compatibility with your vehicle using the part number 37870-RAA-A01 before purchase or installation.
- Professional installation is recommended if you are not familiar with cooling-system components.


Laurence –
item is sold new but upon closer inspection, it does look used
Adrian R. –
Did the job myself. Saved a couple of hundred bucks. Error code went away and never came back.
Cole Smietana –
Mechanic installed it. Said it fix easily. no complaints.
Jose –
So far so goid I’m getting correct temperature readings.
Jax Jaxson –
My mechanic installed it and said that this worked. nice