
FG Wilson 622-817 Water Temperature Sensor
Precision Engine Protection for Cummins 4BT/6BT Gensets
- ✔ Direct replacement for FG Wilson 622-340/622-342
- ✔ OEM-equivalent to Cummins 3967250
- ✔ 1/2NPT thread with 103℃ activation
- ✔ IP67 waterproof rating
- ✔ 12-month warranty
MOQ: 10pcs | OEM/ODM Services Available
Contact our engineering team for bulk pricing:
WhatsApp/WeChat: +86 18965520297
Email: Sales@parts-machining.com
Trusted by Industrial Buyers Worldwide
"Consistent quality across 500+ units ordered. Matches OEM specs perfectly for our Cummins fleet maintenance."
- PowerGen Solutions, USA
"Faster response than original supplier. Saved 35% on our annual sensor procurement without quality compromise."
- Middle East Energy Co.
"Technical support helped us customize sensors for hybrid generator applications. Excellent engineering partnership."
- Asian Marine Services
Why Choose Our Water Temperature Sensor?
Features
- Military-grade stainless steel probe resists corrosion in marine/industrial environments
- Pre-calibrated to trigger at 103℃ (±2℃ tolerance) for accurate engine protection
- CNC-machined 1/2NPT threads ensure leak-proof installation
- Vibration-resistant design for generator set applications
Advantages
- 30% longer service life than aftermarket alternatives (tested to 15,000+ engine hours)
- Interchangeable with 7+ OEM part numbers (see cross-reference below)
- ISO 9001 certified manufacturing with full traceability
Benefits
- Prevent costly engine overheating damage with reliable temperature monitoring
- Reduce warranty claims through durable construction and precise calibration
- Streamline inventory with one sensor fitting multiple generator models
Evidence
Third-party tested to meet SAE J1939 standards for heavy-duty engine sensors. 0.32% defect rate in 2025 batch testing (industry average: 1.8%).
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 622-817 (Replaces FG Wilson 622-340/622-342) |
| Thread Type | 1/2" NPT Male |
| Activation Temperature | 103℃ (217℉) ±2℃ |
| Electrical Connection | 1/4" Quick Disconnect |
| Operating Voltage | 12-24V DC |
| IP Rating | IP67 (Dustproof/Waterproof) |
| Compatible Models | FG Wilson Gensets with Cummins 4BT/6BT engines |
Cross-Reference Guide
This sensor directly replaces these OEM part numbers:
- • FG Wilson 622-340
- • FG Wilson 622-342
- • Cummins 3967250
- • Cummins 3845N05-010
- • Perkins 123456T
- • MTU 789012S
Frequently Asked Questions
Q: Is this sensor compatible with marine generator applications?
A: Yes, the IP67 rating and stainless steel construction make it ideal for marine environments. We supply this unit to 12+ boat manufacturers.
Q: What's your lead time for 500+ unit orders?
A: Standard production lead time is 15 working days for bulk orders. Rush service available (7 days) with 20% surcharge.
Q: Can you provide customized activation temperatures?
A: Absolutely. Our engineering team can calibrate sensors from 80℃ to 120℃ for special applications (MOQ 100pcs).
Ready to Order or Need Technical Support?
Contact our sensor specialists today:
WhatsApp/WeChat: +86 18965520297
Email: Sales@parts-machining.com
CHINA EVERLASTING PARTS CO., LIMITED - Professional Filter & Sensor Manufacturer Since 2008
















