Efficient Heat Dissipation : The 4P1516 blower motor resistor combines premium and metal materials to ensures stable heat dissipation during prolonged use, effectively overheating issues common with traditional resistors. Wide Vehicle Compatibility : this RU631 compatible resistor ensures seamless integration with OEM configurations, not requiring additional adjustments for perfect fitment. Reinforced Construction : Built with high strength and resistant metal components, this blower resistor outperforms standard materials in harsh weather conditions, ensuring long lasting reliability. Easy Installation : Designed for quick DIYer replacement, the 4P1516 resistor can be installed effortlessly without professional tools, minimizing downtime for your vehicle's HVAC systems. Package includes: 1Piece Blower Heater Resistor 4Pcs Installation Screws (M5×12mm)