Description
Direct-fit pressure switch for heavy-duty truck A/C systems, marked 2601264. This normally open pressure switch features an M10 female fitting, closes at 300 PSI and opens at 250 PSI, and is compatible with R134a refrigerant systems. Used on Business Class M2, FLD, Columbia, and Century Class models.
Signs You Need a New Pressure Switch
- Air conditioning system cycles on and off unexpectedly
- High pressure compressor clutch engagement issues
- No cold air from the A/C despite system pressure appearing normal
- Intermittent compressor operation or thermal shutdown
Specifications
| Manufacturer | Freightliner OEM |
|---|---|
| Part Number | 2601264 |
| OEM Number | A22-45194-000 |
| Part Type | High Pressure Switch |
| Operation | Normally Open |
| Fitting Type | Female M10-1.25 metric thread |
| Close/Open Pressure | 300 PSI close / 250 PSI open |
| Refrigerant | R134a |
| Connector | With harness |
Cross References
This part replaces or is equivalent to the following part numbers:
- Freightliner/OEM: A22-42982-00
- Also known as: 1499, 651028, BA16100, 850-8132, 912-1122
Applications
This high pressure switch fits Freightliner trucks including:
- Freightliner Business Class (1994–2014)
- Freightliner FLD Series
- Freightliner Columbia and Century Class (1997–2005)
- Freightliner Classic Series (1994–2004)
Verify your engine serial number and refrigeration system configuration before ordering to confirm fitment.
