Description
Aftermarket coolant level sensor from PAI Industries (FSU-0555) that directly replaces OE Mack 64MT299M on E7 engine surge tank applications. 2-pin rectangular connector with a 3/8″ NPT thread; also crosses to Detroit Diesel 23520381 / 23526906 and Mack 4769-50220220003.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | FSU-0555 |
| Part Type | Coolant Level Sensor |
| Engine Compatibility | Mack E7 |
| Connector | Rectangular, 2-pin |
| Thread Size | 3/8″ NPT |
| Warranty | 2 years |
Cross References
This part replaces or is equivalent to the following part numbers:
- Mack: 64MT299M, 4769-50220220003
- Detroit Diesel: 23520381, 23526906
Applications
This coolant level sensor fits the following engines:
- Mack E7
Verify your surge tank port thread and connector pattern before ordering to confirm fitment.









