Keep your Cummins engine running cool and avoid overheating issues with this reliable coolant fluid level sensor. It's a direct replacement for common part numbers like 4903489, 3612521, 086714A0001, 1673785C92, and others used in Cummins L10, M11, ISM, N14, and ISX engines.
This sensor monitors the coolant level in your expansion tank and alerts you if it gets too low—crucial for preventing engine damage, especially in heavy-duty trucks, construction equipment, and generators.
Made to OEM specifications for a perfect fit and reliable performance. It's built to handle high temperatures, vibration, and exposure to coolant chemicals.
Installation is straightforward if you're familiar with engine bay work. Always disconnect the battery and drain some coolant before replacing. Make sure to match your old part number before ordering.
A small part with a big job. Don't ignore low coolant warnings—replace a faulty sensor and keep your Cummins engine protected and efficient.
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