Description
2601041 is a trinary pressure switch built to OEM fit and finish. This 12/24V, 4-terminal switch features normally-closed configuration and male 3/8-24 fitting, commonly used for fan override and compressor cycling control in Freightliner and other Class 8 truck applications.
Signs You Need a New Pressure Switch
- Fan clutch won’t engage or disengages unexpectedly
- A/C compressor runs continuously without proper cycling
- Air conditioning performance drops at high speeds or elevated load
- Cooling system pressure warning or fault codes
Specifications
| Manufacturer | Red Dot |
|---|---|
| Part Number | 2601041 |
| OEM Number | RD5-4620-0 |
| OEM Alternate | 681-153-12-14 |
| Part Type | Trinary Pressure Switch |
| Voltage | 12/24V |
| Terminal Configuration | 4-Terminal |
| Function | Normally Closed (NC) Fan Override |
| Port Fitting | Male 3/8-24 |
Cross References
This part replaces or is equivalent to the following part numbers:
- Red Dot: RD5-4620-0, 71R7600
- OEM: 681-153-12-14
Applications
This trinary pressure switch fits:
- Freightliner heavy-duty trucks with fan coupling and A/C control
- Heavy-duty truck cooling and compressor management systems
Verify your engine and cooling system configuration before ordering to confirm fitment.









