Features: High Compatibility Air Quality sensors (OEM 4H0907658A/B/C/D) precisely monitors cabin air purity for various model, ensuring factory standard performances with direct installation. Crafted from ABS plastic, this automotive grade sensors features a easy mounting design and real time air quality detection, maintaining optimal in vehicle environments through stable data transmission and weather resistant construction. Ideal for driver, multi car households, and fleet managers requiring air monitoring across various vehicles. Continuously tracks particulate levels during daily commutes, road trips, or stop and go traffics, automatically triggering climate control adjustments to enhances respiratory comfort for allergy prone passenger. Direct replacement for worn sensors in HVAC systems, this component resolves error codes while providing extended service life through impacts resistant housing and factory calibrated measurement accuracy. Specifications: Component: ABS Size: about. 5cm/1.97in Part Number: 4H0907658A, 4H0907658B, 4H0907658C, 4H0907658D Package Includes: 1pc Air Quality sensors note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.