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239-9957 / 2399957 Coolant Level Sensor for Caterpillar
239-9957 / 2399957 Coolant Level Sensor for Caterpillar, featuring a 3-pin heavy-duty design for reliable coolant level monitoring on compatible Cat equipment and engines.
Product Description
The 239-9957 / 2399957 Coolant Level Sensor is an aftermarket level sensor designed for Caterpillar equipment and engine applications. It monitors coolant level conditions and helps the equipment control system receive the required level information.
Caterpillar identifies 239-9957 as a 3-pin heavy-duty level sensor. The sensor is designed for demanding equipment environments where vibration, shock, temperature changes, humidity, corrosion, and dust can affect electrical components.
The 239-9957 sensor uses a 3-pin connector and a combination of alloy brass and plastic materials. Cat lists the sensor type as a level sensor and identifies coolant fluid as one of its material/application references.
Coolant Level Monitoring
A coolant level sensor plays an important role in engine monitoring. It detects coolant level conditions and sends a signal to the equipment control system. This allows the machine or engine monitoring system to identify a low coolant condition and support timely maintenance.
The 239-9957 coolant level sensor is therefore suitable for customers searching for a Caterpillar coolant level sensor, Cat coolant sensor, liquid level sensor, or 239-9957 replacement sensor.
For more replacement options, customers can also explore our Caterpillar Sensors range, which includes temperature, pressure, speed, fuel water level, and other sensor types.
Caterpillar Applications
Caterpillar lists 239-9957 across a wide range of equipment and engine applications. Examples include 793F, 797, 785D, 789C, 795F AC, 993K, 980G II, 980H, 953C, 963C, D5N, D6N, AD30, AD45B, AD55 and AD55B. The part also appears on various Cat C-series and 3000/3500-series engines and generator sets.
Because Caterpillar equipment can have different configurations, customers should confirm the part number, machine model, and serial number before ordering.
Product Specifications
| Specification | Details |
|---|---|
| Part Number | 239-9957 |
| Alternate Format | 2399957 |
| Sensor Type | Coolant Level / Liquid Level Sensor |
| Design | Heavy-Duty Level Sensor |
| Connector | 3-Pin |
| Material | Alloy Brass, Plastic |
| Application | Caterpillar Equipment & Engines |
| Brand Application | Caterpillar |
Aftermarket Replacement
The 239-9957 / 2399957 Coolant Level Sensor provides an aftermarket replacement option for Caterpillar equipment. It is suitable for distributors, repair shops, equipment maintenance companies, and heavy equipment parts suppliers.
When replacing a coolant level sensor, matching the correct part number is important. A sensor that looks similar may have a different connector, mounting configuration, or electrical specification.
For customers sourcing Caterpillar replacement sensors in bulk, RJT PARTS can support B2B orders, distributor supply, and aftermarket parts sourcing.
For additional original part information and application details, customers can refer to the official Caterpillar Parts Store.
