304-5666 3-Pin DT Atmospheric Pressure Sensor
Buy Cat® parts atmospheric pressure sensor 304-5666 online. It measures air pressure to determine altitude, enabling precise grading and leveling.
Description
Cat low pressure sensors use capacitive or strain gauge-based technology to generate an output signal (analog or PWM (Pulse Width Modulation)) proportional to the applied pressure. Pressure sensors are available with a variety of electrical connector and process connection types.
Features
- Compact size
- Easy to install
- Can be used with integral connectors or a variety of harness lengths
Applications
- Low pressure sensors are mainly used in engine-related applications such as air systems, exhaust aftertreatment systems, fuel systems, and engine oil systems.
- Cat pressure sensors are application-specific sensors. Refer to your Operation and Maintenance Manual or contact MECHSC for more information.
Specifications
| Voltage | 5 DC Regulated VAC |
|---|---|
| Connector Type | 3-Pin DT |
| Hole Thread Size | SAE #6M in |
Compatible Equipment
- Generator Sets: 3512B, 3516C
- Engines: C18
- Excavators: 3516B, 3512C, 3516E, 3508B
- Off-Highway Trucks: 793D
Additional information
| Machine Model | |
|---|---|
| Equipment Type | |
| Part Source | Genuine OEM |





