The JIDECO MR8B-171 Glow Relay is a reliable 12V preheat relay designed for optimal engine starting performance. This robust relay, identified by part number 8-94248-1610, features a durable black housing with a mounting bracket for secure installation. The unit comes with integrated connectors for straightforward electrical connection. Built to precise specifications, this glow relay helps ensure proper timing and control of the engine's preheating system, which is essential for efficient cold starts. The compact design allows for easy fitment in the intended mounting location, while the solid construction helps withstand engine compartment conditions. This replacement relay matches OEM specifications for direct compatibility and reliable operation.