The Mazda CX-5 CX5 6 GJ Drivers Right O/S Master Window Switch Control Unit K0021 is a high-quality switch assembly designed to control the window on the front right side of the vehicle. Manufactured by Mazda, this durable and dustproof component comes in a sleek black colour, making it a stylish addition to the interior of your car. With a manufacturer part number of K0021 and reference OE/OEM numbers such as KF3366350A and KG8D66350, this switch control unit is designed to provide reliable and efficient operation for your vehicle's window.