| Part Number | 6201144 |
| Type | Engine Coolant Temperature Sensor (NTC Thermistor) |
| Application | Liebherr D914 Series Engines |
| Equipment | Liebherr Excavators, Wheel Loaders, Crawler Dozers, Material Handlers |
| Housing | Brass / Stainless Steel |
| Sealing | Pre-installed Rubber O-ring |
| Electrical | 2-pin / Single Spade (Match Original) |
| Thread | 1/8-27 NPT or M10x1 |
| Operating Temp | -40°C to +150°C |
| Certification | ISO9001 |
| Warranty | 6 Months |
| Stock | ✅ In Stock |
| Shipping | Express: 3–7 Days Worldwide |
The COGENG 6201144 is a direct OEM replacement water temperature sensor engineered for Liebherr D914 series diesel engines. These engines power a wide range of Liebherr equipment, including excavators, wheel loaders, crawler dozers, and material handlers.
This sensor monitors engine coolant temperature and sends real-time signals to the dashboard gauge and ECU. Accurate temperature readings are essential for:
Proper fuel injection timing
Cold-start glow plug activation
Cooling fan engagement
Overheat protection and warning systems
Optimal fuel efficiency and emissions control
Built to meet or exceed original equipment specifications, this sensor delivers reliable performance in the harshest working conditions—extreme heat, vibration, moisture, and heavy dust.
| Benefit | Description |
|---|---|
| Direct Fit | OEM-spec design — plug-and-play installation |
| Accurate Reading | Factory-matched resistance curve for precise gauge response |
| Durable | Brass/steel housing resists corrosion and cracking |
| Leak-proof | Pre-installed O-ring ensures a tight, reliable seal |
| Broad Compatibility | Designed for D914 engines across multiple Liebherr models |
| Cost-effective | OEM quality at a fraction of the price |
| In Stock | Ready for immediate dispatch |
| Item | Qty |
|---|---|
| Temperature Sensor Assembly | 1 |
| Rubber O-ring (Pre-installed) | 1 |
| Protective Shipping Cap | 1 |
| Quick Installation Guide | 1 |
| Equipment Type | Models (Typical) |
|---|---|
| Excavators | R900, R910, R920, R934, R954, R964, R974 |
| Wheel Loaders | L506, L508, L509, L514, L524, L538, L542, L546, L550, L556, L566, L574, L576, L580, L586 |
| Crawler Dozers | PR724, PR734, PR744, PR754, PR764, PR776 |
| Material Handlers | A900, A910, A920, A934, A944, A954 |
| Telehandlers / Others | Various Liebherr machines with D914 engines |
⚠️ Always verify your original sensor part number before ordering.
| Temperature | Resistance (Typical) | Gauge Reading |
|---|---|---|
| -40°C (-40°F) | ~100,000 Ω | Cold / Max |
| 0°C (32°F) | ~30,000 Ω | Cold |
| 25°C (77°F) | ~10,000 Ω | Rising |
| 80°C (176°F) | ~2,000 Ω | Normal (Mid-range) |
| 100°C (212°F) | ~1,000 Ω | Hot / Warning |
| 120°C (248°F) | ~500 Ω | Overheat / Red Zone |
| Tool | Purpose |
|---|---|
| 19mm / 22mm Wrench or Socket | Sensor removal & installation |
| Torque Wrench (recommended) | Precise tightening (15–25 Nm) |
| Clean Rag | Clean mounting area |
| Flashlight | Help locate sensor in engine bay |
Q: Is this a genuine Liebherr part?
A: No — this is a high-quality COGENG aftermarket replacement built to OEM specifications.
Q: Will this fit my Liebherr R934 excavator with D914 engine?
A: Yes, the D914 engine is the primary application for this sensor.
Q: Will this fit my Liebherr L580 wheel loader?
A: Yes, the L580 uses the D914 engine and is compatible.
Q: Do I need to use thread sealant?
A: No — the pre-installed rubber O-ring provides a complete seal. Do not use PTFE tape.
Q: My gauge still reads wrong after installation — what should I do?
A: Check the wire connection, ensure the sensor is fully seated, and verify no coolant leaks at the thread.
Q: Is this sensor in stock?
A: ✅ Yes — ready to ship immediately.
| Order Detail | Information |
|---|---|
| MOQ | 1 piece accepted |
| Shipping | DHL / FedEx / UPS / TNT — 3~7 Business Days Worldwide |
| Payment | T/T, Western Union, L/C, MoneyGram, D/A, D/P |
| Warranty | 6 Months |
| Origin | Guangdong, China |
For pricing, bulk orders, or technical support, contact your COGENG supplier today.
Please provide your machine model and serial number for compatibility verification.
✅ In Stock — Ready to Ship.
✅ Fast Delivery Worldwide.
✅ OEM Quality at Aftermarket Prices.
*shipping Details Return Sales*
Sales price:
Please contact COGENG sales customer service for specific prices.
Shipping method:
The specific arrangement will be based on the cargo situation.
Estimated delivery time:
It is based on the shipping time of the logistics company, and the arrival time shown shall prevail.
Contact details are at the bottom.
MerchantReturnPolicy:
The products shipped are not returnable or exchangeable.
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