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161-1703 / 197-8393 Pressure Sensor for Caterpillar C7 C9 C15 C18 | OEM Replacement
161-1703 / 197-8393 Pressure Sensor for Caterpillar helps monitor engine pressure and provides accurate pressure signals to the engine control system. It is suitable for selected Caterpillar engines and heavy equipment applications. Please confirm the part number and machine application before ordering.
161-1703 / 197-8393 Pressure Sensor for Caterpillar
The 161-1703 / 197-8393 Pressure Sensor is a replacement sensor for selected Caterpillar engine applications. Caterpillar parts information identifies 161-1703 as a Sensor GP-Pressure, while 197-8393 is listed as a Sensor GP-Pressure and part of the 246-4414 Sensor GP-Engine assembly.
This pressure sensor helps the engine control system monitor pressure conditions and receive accurate sensor signals. A properly functioning sensor supports reliable engine monitoring and helps technicians identify abnormal operating conditions.
Key Features
- Part Number: 161-1703
- Reference Part Number: 197-8393
- Part Type: Pressure Sensor
- Application: Caterpillar engines and heavy equipment
- Related Assembly: 246-4414 Sensor GP-Engine
- Related Seal: 6V-5049 Seal-O-Ring
- Aftermarket Type: Replacement sensor
Compatible Caterpillar Engines
The 161-1703 / 197-8393 pressure sensor appears in parts information for several Caterpillar engine applications.
Commonly referenced engine models include:
| Engine Model | Application |
|---|---|
| Caterpillar C7 | Engine and equipment applications |
| Caterpillar C9 | Excavators and other heavy equipment |
| Caterpillar C12 | Engine applications |
| Caterpillar C15 | Heavy equipment and engine applications |
| Caterpillar C18 | Selected engine applications |
| Caterpillar 3176 | Engine applications |
| Caterpillar 3306 | Engine applications |
Some parts catalogs also list applications on Caterpillar machines such as D6R Series II, 528, 516 and 962H. Exact compatibility can vary by machine and serial number.
When Should You Replace a Caterpillar Pressure Sensor?
A pressure sensor may require inspection or replacement when the machine shows:
- Incorrect pressure readings
- Sensor-related fault codes
- Unstable engine operation
- Abnormal warning signals
- Intermittent sensor signals
- Damaged connectors or wiring
However, these symptoms do not always mean that the sensor itself has failed. Technicians should also inspect the wiring, connector, power supply, seal and related components before replacement.
Replacement Tips
Before ordering a 161-1703 / 197-8393 Caterpillar pressure sensor, check the original sensor and equipment information.
Confirm:
- Original part number
- Engine model
- Machine model
- Serial number
- Electrical connector
- Sensor specifications
- Thread and sealing configuration
The correct O-ring is also important during installation. Caterpillar parts information lists 6V-5049 with 161-1703 in the pressure sensor assembly.
Why Choose a Replacement 161-1703 / 197-8393 Sensor?
A suitable replacement sensor can help restore accurate pressure monitoring and reduce unnecessary machine downtime.
For Caterpillar parts distributors, repair shops, equipment owners and aftermarket parts suppliers, the 161-1703 / 197-8393 pressure sensor is a useful replacement part for selected CAT engine applications.
Always verify the part number and application before installation.
Looking for 161-1703 or 197-8393? Contact us for availability, compatibility and replacement options.
