HELLA 4RV 008 188 171 Control Unit, glow plug system 12V 7 pin connector Pre Time: 8sec. after capable with external temperature measurement

fits e.g. VW T4 Chassis (70E,70L,70M,7DE,7DL,7D (please check exact vehicle application) HELLA preglow relays ensure reliable cold starts in diesel engines by preheating glow plugs to ignition temperature-even in low temperatures improving start-up performance and reducing engine stress. HELLA relays use low-voltage control to safely switch high-voltage circuits, minimizing wear and reducing wiring complexity. Always check the original part number to ensure correct fitment and full compatibility with your vehicle. Built to last-HELLA relays are resistant to dirt, moisture, and vibration, designed for thousands of reliable operations.