Product Description: High-Performance Heater Blower Motor Resistor for Optimal HVAC Function Upgrade your vehicle's climate control system with our High-Performance Heater Blower Motor Resistor, designed for precision and durability. This component ensures seamless temperature regulation and enhanced performance for a comfortable driving experience. Vehicle Fitment: This blower motor resistor is a perfect replacement for various Benz models, including CL500, CL600, E300, E320, E430, S320, S420, S500, S600, 300SD, and 600SEL. It is engineered to match the shape and functionality of the original component, ensuring compatibility and reliable performance. Part Number: The reference part numbers for this HVAC blower resistor are 5HL351321 021, 011018536, and 1408218351. Manufactured according to original specifications, it meets or exceeds OEM standards, providing confidence in its fit and function. High Durability: Constructed from high-quality ABS and metal materials, this blower motor resistor offers exceptional impact and scratch resistance. Its robust construction is designed to withstand harsh road conditions, ensuring a long-lasting and reliable operation. Increased Efficiency: This resistor unit efficiently regulates the current to the blower motor, allowing your HVAC system to operate at different speeds. It enhances the overall efficiency and performance of your vehicle's climate control system, providing optimal comfort in all conditions. Perfect Fit: Designed as a high-grade replacement part, this blower motor resistor fits seamlessly into your vehicle, replacing faulty or old units with ease. Its direct replacement installation offers a hassle-free experience, saving you time and effort. Enhance your vehicle's HVAC system with our High-Performance Heater Blower Motor Resistor. Its superior durability, efficiency, and perfect fit make it an essential upgrade for maintaining optimal climate control and driving comfort.