28mm Powder Coated Aluminum Water Temperature Sensor Adapter Kit (Gold) Universal Application For 28MM Radiator & Water Temperature Sensor Made From High Quality & Light-Weight Aluminum Surface With Anodized Finish To Improve Strength & Durability Fits Sensors In 1/8 NPT Port Diameter: 28mm (1.10 Inch). Sensor Port Diameter: 6AN. Sensor Port Thread Pitch: 1/8 NPT