Description
Engineered for heavy-duty truck A/C systems, the 2601252 pressure switch delivers OEM-spec performance. This normally open pressure switch features a 2-pin plastic connector, closes at 215 PSI and opens at 170 PSI, and is compatible with R12/R134a refrigerant systems. Original equipment for multiple truck platforms.
Signs You Need a New Pressure Switch
- Compressor thermal cutout or electrical shutdown
- A/C compressor runs but produces no cold air
- Intermittent engagement or rapid cycling of compressor clutch
- 2-pin connector corrosion or visible burn damage
Specifications
| Manufacturer | Freightliner/Peterbilt OEM |
|---|---|
| Part Number | 2601252 |
| OEM Number | BOA 80.941.00.063 |
| Part Type | High Pressure Switch |
| Operation | Normally Open |
| Connector | 2-pin plastic connector |
| Close/Open Pressure | 215 PSI close / 170 PSI open |
| Refrigerant | R12/R134a compatible |
| Manufacturer Code | 20PS39-4, RD5-6394-0, BA1250 |
Cross References
This part replaces or is equivalent to the following part numbers:
- OEM equivalents: RD5-6394-0, 20PS39-4, BA1250
- Cross references: 18-03163
Applications
This high pressure switch fits:
- Freightliner heavy-duty trucks
- Peterbilt trucks with 2-pin pressure switch requirement
- Various OEM A/C systems with female 1/4″ port connection
Verify your engine serial number and refrigeration system configuration before ordering to confirm fitment.









