Level Sensor

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  • 165-6634 coolant level sensor for Caterpillar engines

  • 1656634 coolant sensor for CAT 793C 797B

  • Caterpillar 3406E 3512B engine coolant level sensor

  • CAT 980G II coolant level sensor 165-6634

165-6634 Coolant Level Sensor for Caterpillar 793C 797B 980G II

Part Number: 165-6634 / 1656634

Ref Cross: 111-3794

MOQ: 1 Piece

Warranty: 6 Months

Lead Time: 5 - 15 Days

Product Type: Coolant Level Sensor / Sensor GP-Coolant Level

Application: Caterpillar Engine 3406E 3512B 3516B C7 C9 C15 C18

Compatible: Caterpillar 793B 793C 797 797B 980G II D5N R1600 R2900

Product Description

165-6634 Coolant Level Sensor for Caterpillar Engines

The 165-6634 / 1656634 coolant level sensor is used to monitor coolant or water in Caterpillar engine expansion tank applications. It provides a level signal to the monitoring system, helping the operator respond to a low-coolant condition before continued operation causes overheating or equipment downtime.

Caterpillar catalog references cover generator sets, marine engines, industrial engines and heavy-equipment installations. The correct sensor should be confirmed by the original part number, connector configuration and machine or engine serial number.

Caterpillar Application and Replacement References

Additional equipment references include D5N track-type tractors, R1600 and R2900 load-haul-dump machines, and 5130 or 5230 mining excavators. Actual application can vary between production and wiring arrangements.

The 111-3794 number is an earlier coolant level sensor reference. Some C7 and 980G II parts records direct field replacement to 239-9957, but this does not mean the numbers are universally interchangeable. Connector and serial-number confirmation is required before substitution.

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