Description
2601253 is a pressure switch built to OEM fit and finish for Class 8 A/C service. This normally open pressure switch features a 1/4″ female fitting, opens at 260 PSI and closes at 174 PSI, and is compatible with R12/R134a refrigerant systems. Used on Business Class M2 and other Freightliner models for high-pressure fan control applications.
Signs You Need a New Pressure Switch
- Cooling fan not operating when A/C high pressure is elevated
- Engine temperature rises during sustained A/C operation
- High pressure reading with compressor running but fan stationary
- Intermittent fan operation or continuous fan engagement
Specifications
| Manufacturer | Freightliner OEM |
|---|---|
| Part Number | 2601253 |
| OEM Number | A22-30930-000 / ABPN83-322315 |
| Part Type | High Pressure Switch (Fan Cycling) |
| Operation | Normally Open |
| Fitting Type | Female 1/4″ NPT thread |
| Close/Open Pressure | 174 PSI close / 260 PSI open |
| Refrigerant | R12/R134a compatible |
| Connector | 2-conductor male Weatherpak |
Cross References
This part replaces or is equivalent to the following part numbers:
- Freightliner OEM: ABPN83-322315, A22-30930-000
- Also known as: 1454, ABP N83 318190, 650944, 651026, BB1050, BA14950
Applications
This high pressure switch fits Freightliner trucks including:
- Freightliner Business Class (1994–2003)
- Freightliner M2 106/112 Models
- Freightliner FL50, FL60, FL70 Series
- Heavy-duty trucks with fan control requirement
Verify your engine serial number and refrigeration system configuration before ordering to confirm fitment.
