203-3221 Temperature Switch Group
Cat® Temperature Switch Group
Description
Cat parts help keep your equipment running at its best. Cat Temperature Switch Groups activate when the temperature exceeds the limit of the Cat engine part.
Features
- Temperature switch with screw terminals
- Brass body and tubing
- Activation Temperature: 129°C (264°F)
- Operating Temperature: -40°C to 150°C (-40°F to 302°F)
- Contact Position: Normally closed below deactivation temperature
- Voltage: 8-28 VDC
- Media: Oil, Fuel, Air, and Coolant
- Impervious to engine oil, fuel, water, dust, salt water, glycol, and engine cleaners
- Connector Type: 2 screw terminals
- Hex Size: 17.45 mm (0.687 in)
- Thread Size: 3/8-18 NPTF
- Actuation temperature sensing
- Designed to work with other Cat parts to ensure the equipment reaches its full potential
Applications
For engines in Cat vehicles. Refer to your Operation and Maintenance Manual or contact MECHSC for more information. Cat parts can operate in heavy-duty applications under severe vibration, shock, extreme operating temperature ranges, thermal cycling, thermal shock, moisture, corrosion, and dust.
Specifications
| Temperature | -40° to 150° °C (-40° to +302° °F) |
|---|---|
| Hex Size | 17.45 mm (0.687 in) |
| Connector Type | Dual Screw Terminal |
| Overall Length | 63.71 mm (2.5 in) |
| Thread Size | 3/8-18 NPTF in |
Compatible Equipment
- Excavators: 637E
- Wheel Loaders: 836
Additional information
| Machine Model | |
|---|---|
| Equipment Type | |
| Part Source | Genuine OEM |








