Glowshift's 38mm Water Temperature Sensor Hose Adapter was made for anyone looking to install a coolant temperature sensor. This adapter is designed for compatibility with hoses that are made of rubber and have an inner diameter of 38mm (1-1/2"). They also simplify the installation process without the need for making any major modifications to your vehicle. Each hose adapter is crafted from aluminum and features a 1/8-27 NPT fitting for your compatible sender. Included are (2) hose clamps which secure the line to the heater hose temperature sensor adapter, creating a leak-free seal. At GlowShift Gauges we also back any purchase with unrivaled Customer and Tech Support.