Upgrade your Komatsu PC200-8 or PC300-8 excavator with this high-quality air cleaner sensor (part number 7861911420 / 7861-91-1420). This precision-engineered electronic sensor is designed specifically for monitoring air filter conditions in heavy construction equipment. The robust construction features a durable blue housing and protected electrical connections with a spiral-wrapped cable harness for reliability in demanding work environments. The sensor helps maintain optimal engine performance by alerting operators to air filter status, preventing potential engine damage and ensuring efficient operation. This direct-fit replacement part matches OEM specifications for seamless integration with your machine's existing systems. Installation is straightforward with the included mounting hardware and standard electrical connectors. Keep your excavator running at peak efficiency with this essential monitoring component.