Features:HVAC Blower Motor Resistor to controls the fan speed in your AC and heating system.You need to replace the blower resistor when you couldn't adjust the air conditioner system to fail to work.Made of durable material to ensure corrosion-resistant and not easily deformed, resistant to high or low temperature.This is a non-OEM product, accessory ONLY!OE Number:1669064001/1669066300/A1669064001/A1669066300Specification:Material: Plastic, MetalColor: Black, Silver ToneDimension: 14x5x5cm / 5.51"x1.97"x1.