430-9454 Coolant Level Sensor for Caterpillar

The 430-9454 Coolant Level Sensor monitors coolant or water level in compatible Caterpillar equipment. It uses a capacitive sensing design to detect low fluid levels and provide a warning signal to the machine system.

430-9454 Coolant Level Sensor for Caterpillar

The 430-9454 Coolant Level Sensor is an aftermarket replacement level sensor for compatible Caterpillar equipment. It monitors coolant or water level in engine and tank applications and helps provide a warning when the fluid level becomes too low.

The sensor uses a capacitive sensing principle and has no moving parts. This design helps it operate in demanding heavy equipment environments with high vibration and elevated temperatures.

Caterpillar describes the 430-9454 as a coolant level sensor for aftercooler coolant tank applications. The official Cat Parts Store also lists it as a level switch for engine and tank applications.

Product Specifications

ItemDetails
Part Number430-9454
Product TypeCoolant Level Sensor / Level Switch
ApplicationCaterpillar Equipment
Sensing PrincipleCapacitive
Operating Voltage4.5–36 V DC
Fluid ApplicationCoolant / Water
Thread Size1/4-18 NPT
Connector Type3-pin DT
Wire Length8.3 in
MountingVertical or horizontal
ConditionAftermarket Replacement

Key Features

  • Designed for compatible Caterpillar applications
  • Monitors coolant and water level
  • Capacitive sensing design
  • No moving parts
  • Suitable for high-vibration environments
  • Designed for elevated-temperature applications
  • 4.5–36 V DC operating range
  • 3-pin DT connector
  • 1/4-18 NPT thread

Caterpillar Coolant Level Sensor Application

The 430-9454 helps monitor fluid level in the cooling system. When the coolant or water level becomes too low, the sensor can provide a warning signal to help protect proper cooling system operation.

The official Cat Parts Store lists applications across a wide range of equipment, including wheel loaders, off-highway trucks, track-type tractors, motor graders, asphalt pavers, rotary drills, engines, generator sets, and other heavy equipment.

For example, listed Caterpillar models include 988K, 990K, 992K, 994K, 772, 773, 775, 777G, 789D, D8, D8T, D9T, D10T2, 18M3, AP655F, MD6250, and C32. Always confirm the machine model and serial number before ordering because equipment configuration can affect compatibility.

If you are looking for more Caterpillar level sensors, visit our Caterpillar Sensors category for additional aftermarket sensor options.

You can also explore our Electric Parts category for more electrical and electronic replacement parts.

How to Choose the Correct 430-9454 Replacement

Before ordering a 430-9454 replacement, compare the original part number and equipment information.

Check:

  • Original part number
  • Caterpillar machine model
  • Machine serial number
  • Engine model
  • Thread size
  • Connector type
  • Wire length
  • Installation position
  • Electrical specifications

Caterpillar notes that its level sensors can be application- or tank-specific. Therefore, buyers should confirm the exact equipment configuration before purchasing.

For original Caterpillar part information, you can also check the Cat Parts Store and compare the part number with your existing sensor.

Aftermarket 430-9454 Level Sensor

RJT PARTS supplies aftermarket Caterpillar sensors and switches for heavy equipment applications. Our sensor range includes coolant level sensors, fuel water level sensors, pressure sensors, temperature sensors, and speed sensors.

If you need a 430-9454 Coolant Level Sensor, send us the original part number and machine information. We can help check the available replacement option for your application.

For more Caterpillar sensor products, visit our Caterpillar Sensors category.

For additional electrical components, explore our Electric Parts range.

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