SKU: MMWHS-30-BK | UPC: 748354804799
Mishimoto Water Temp. Sensor Adapter 30mm Black – Universal 30mm ID Hose Fit
The Mishimoto water temperature sensor adapter installs directly into 30mm ID radiator hoses for precise coolant temperature measurement in the direct flow path. This setup delivers reliable readings to prevent overheating on performance vehicles like Subaru Impreza WRX STI and Honda Civic models. Billet aluminum construction ensures long-lasting performance under high heat.
Key Features
- Billet Aluminum Build: High-strength material withstands engine bay heat and pressure for reliable daily use
- 1/8″ NPT Bung: Threaded port accepts most aftermarket water temperature sensors and gauges
- 30mm Inner Diameter: Perfect match for common OEM and aftermarket radiator hoses on compact cars
- Black Anodized Finish: Corrosion-resistant coating maintains appearance and function over time
- Direct Flow Design: Positions sensor in coolant stream for immediate accurate temperature data
Product Notes
- Measure hose inner diameter to confirm 30mm fit before installation
- Sensor and hose clamps sold separately
- Compact design fits tight engine bays without modifications
Installation Notes
- Professional installation recommended.
- Cut hose to length slide adapter into position and secure with worm gear clamps
- Compatible with silicone or rubber radiator hoses
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2007 | Subaru | Impreza | WRX |
| 2004-2007 | Subaru | Impreza | STI |
| 2008-2021 | Subaru | Impreza WRX | STI |
| 1988-1991 | Honda | Civic | All |
| 1992-2000 | Honda | Civic | EG EK |
| 1999-2004 | Honda | Civic Si | EM EP |
| Universal | – | 30mm ID Radiator Hoses | – |
Why Choose Mishimoto?
- Trusted by racers for cooling components worldwide
- CNC-machined parts deliver consistent performance
- Limited lifetime warranty covers defects
Frequently Asked Questions
- Q: Will this fit my Subaru WRX radiator hose?
A: Yes fits 2002-2021 Impreza WRX STI models with 30mm ID hoses confirm measurement for exact match - Q: What finish and material does it use?
A: CNC billet aluminum with durable black anodized coating resists corrosion and wear - Q: How difficult is installation?
A: Straightforward hose replacement process takes under 30 minutes with basic tools clamps required
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: 5.2 x 3.5 x 1.2 inches protective box
- Weight: 2.4 oz (0.15 lb)





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