Description
The PAI 450601 is a coolant / engine temperature sensor for International D466E HEUI and DT530E HEUI engines, replacing Navistar 1675751C1. 1/2″ NPT thread with thread-locking compound, 2-pin oval connector, 2.19″ overall length. Fits 2000–2003 model-year International chassis built around the HEUI fuel-system DT-family engines.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 450601 |
| Part Type | Engine Temperature Sensor |
| Engine Compatibility | International D466E HEUI, DT530E HEUI |
| OEM Reference | Navistar 1675751C1 |
| Thread Size | 1/2″ NPT (with thread-locking compound) |
| Connector | Oval, 2-pin |
| Overall Length | 2.19″ |
| Color | White / Gold / Red body |
Cross References
This part replaces or is equivalent to the following part numbers:
- Navistar / International: 1675751C1, 1675751
- Also known as: 4333-1675751C1
Applications
This temperature sensor fits the following engines:
- International D466E HEUI (2000–2003)
- International DT530E HEUI (2000–2003)
Representative vehicles using these engines:
- International 4000-series (4400, 4700, 4900) with DT530E (2000–2003)
- International 7000-series and 8000-series HEUI builds (2000–2003)
- IC Bus / school bus chassis with DT530E HEUI (2000–2003)
Verify your engine serial number, sensor port location (engine block vs. intake manifold), and existing Navistar number before ordering. Apply thread sealant per Navistar service spec on installation.
