✅ OE Number: 178-2335 / 1782335 (Direct CAT Replacement)
✅ IP67 Waterproof Rating for harsh environments
✅ Compatible with Caterpillar 320D/324D/329D excavators and C7/C9 engines [[21][62]]
✅ Brass body with PTFE probe ensures corrosion resistance
✅ Operating range: -40°C to +125°C (-40°F to +257°F)
| Voltage Range | 9-36 VDC |
| Connector Type | Deutsch DT04-4P (IP67 certified) |
| Thread Size | 3/4-16 UNF (Interchangeable with 1022240 sensor) |
Symptoms: Frequent "Coolant Low" alarms despite refilling
Solution: Replace sensor and check O-ring seal (Use OEM part 178-2335 to prevent recurrence)
Symptoms: Gauge fluctuation between -40°C and +125°C
Solution: Clean connector terminals and test resistance values per CAT specifications
As a leading supplier of construction machinery parts, heavy truck accessories, and agricultural equipment components, we provide:
✅ 12-month warranty on all CAT replacement parts
✅ Global shipping via air/sea (DDP/DAP terms available)
✅ OEM quality with competitive pricing
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