This listing is for a single left sensor identified by the numbers 17 20 584344. The unit is sold as a 1 piece replacement sensor and is intended for use in assemblies that require a leftside sensor with this part identification. Key benefits Easy replacement: onepiece design simplifies installation and reduces downtime when a left sensor needs replacement. Correct orientation: specifically described as a left sensor to ensure proper installation in compatible devices. Clear part identification: the combination 17 20 584344 helps ensure you source the correct component and supports ordering and service records. Suitable for compatible equipment: designed to meet the requirements of devices that specify this part number. Key attributes Functionality: leftside sensor component for sensing tasks in compatible systems. Compatibility: intended for devices that require part 584344 and/or series 17 20; please verify with your device's service manual or parts list. Size: single unit packaging; exact dimensions are not provided in the listing. Material: not specified in the listing; consult the datasheet or seller for material details. Performance: provides standard sensing capability when used in a compatible host device; actual performance depends on the accompanying system and installation. Use cases Replacement in a modular electronics or industrial controller that specifies part 584344 for the left sensor. Spare part for a kit aimed at devices using the left sensor with part number 584344. Refurbishment or upgrade of equipment that requires a leftside sensor identified as 17 20 584344. Note Please verify compatibility with your device's part list or service documentation before ordering to ensure this part matches your specific model and application.