| Parameter | Details |
|---|---|
| Product Name | Engine Coolant Temperature (Water Temp) Sensor |
| Part Number | VOE14505855 |
| Compatible Brands | Volvo |
| Compatible Excavator Models | EC140B, EC160B, EC180B, EC210B, EC240B, EC290B |
| Compatible Engine | Volvo D-Series Engines (D5/D6/D7/D8/D9) |
| Sensor Type | NTC Thermistor (Coolant Temperature) |
| Material | Brass / Stainless Steel + Rubber Seal |
| Packing | PP bag inside, carton box outside |
| Payment Terms | Western Union, L/C, T/T, MoneyGram, D/A, D/P |
| MOQ | Acceptable trial order (1 piece accepted) |
| Shipping Mode | Air/Sea/Express (FedEx, UPS, DHL, TNT, etc.) |
| Place of Origin | Guangdong, China |
| Brand Name | COGENG |
| Certification | ISO9001 |
| Stock Status | ✅ In Stock |
| Supply Capacity | 500 PCS |
The COGENG VOE14505855 Water Temperature Sensor is a high-precision, direct OEM replacement sensor specifically designed for Volvo EC140B, EC160B, EC180B, EC210B, EC240B, and EC290B excavators. These popular B-Series excavators are widely used in construction, quarrying, and infrastructure projects worldwide.
This sensor monitors engine coolant temperature—one of the most critical parameters for engine performance, fuel efficiency, and longevity. The sensor uses a Negative Temperature Coefficient (NTC) thermistor—as coolant temperature increases, electrical resistance decreases. The ECU (Engine Control Unit) sends a 5V reference voltage through the sensor and measures the return voltage to calculate precise coolant temperature. This data is essential for:
Fuel Injection Timing: Adjusting timing based on engine temperature for optimal combustion.
Cold Start Assistance: Enabling glow plugs / intake heaters in cold weather.
Cooling Fan Control: Engaging the hydraulic or electric fan at high temperatures.
Warning Systems: Triggering alarms and derating the engine if overheating occurs.
Emissions Control: Optimizing combustion for reduced emissions.
Dashboard Gauge: Displaying accurate temperature to the operator.
Manufactured under ISO9001 certified processes, the COGENG VOE14505855 features a brass/stainless steel housing, premium rubber O-ring, and a precision thermistor element to ensure accurate readings across the full temperature range (-40°C to +150°C).
Why Choose COGENG VOE14505855?
Direct Fit: Plug-and-play – no adapters or modifications required.
High Accuracy: Precisely calibrated to Volvo ECU specifications.
Durable Construction: Brass/stainless steel housing withstands vibration and corrosion.
Leak-Proof: Premium O-ring pre-installed.
Wide Compatibility: Fits multiple Volvo B-Series excavator models.
In Stock: Ready for immediate shipment.
| Component | Quantity | Description |
|---|---|---|
| Water Temperature Sensor | 1 | Complete sensor assembly with pre-attached connector |
| Rubber O-ring / Sealing Ring | 1 | Pre-installed on threaded base |
| Protective Plastic Cap | 1 | For shipping protection only |
| Installation Quick Guide | 1 | Basic instructions |
Internal Structure of the COGENG VOE14505855 Water Temperature Sensor:
[ELECTRICAL CONNECTOR] ← 2-pin Deutsch / AMP (matches Volvo OEM)
│
[LOCKING TAB] ← Audible "click" when connected
│
[BRASS / STEEL HOUSING] ← Hexagonal shape for wrench tightening
│
[INTERNAL THERMISTOR] ← NTC (Negative Temperature Coefficient) element
│
[SENSING TIP] ← Extends into coolant stream
│
[RUBBER O-RING] ← Pre-installed, prevents coolant leaks
│
[THREADED BASE] ← M10x1 or 1/8-27 NPT (Volvo standard)
How a Water Temperature Sensor Works:
| Condition | Temperature | Resistance (Typical) | Voltage Output (Typical) |
|---|---|---|---|
| Engine Off (Cold) | -40°C (-40°F) | ~100,000 Ω | ~4.8V |
| Cold Start | 0°C (32°F) | ~30,000 Ω | ~3.8V |
| Ambient / Warmup | 25°C (77°F) | ~10,000 Ω | ~2.8V |
| Normal Operating | 80°C (176°F) | ~2,000 Ω | ~1.5V |
| Overheat Warning | 100°C (212°F) | ~1,000 Ω | ~1.0V |
| Critical Overheat | 120°C (248°F) | ~500 Ω | ~0.5V |
NTC Thermistor Behavior:
Temperature ↑ → Resistance ↓ → Voltage ↓
Temperature ↓ → Resistance ↑ → Voltage ↑
This sensor is specifically designed for the following Volvo B-Series excavators:
| Model | Engine | Typical Year Range | Application |
|---|---|---|---|
| Volvo EC140B | Volvo D5 / D6 | 2000–2007 | Medium excavator |
| Volvo EC160B | Volvo D6 | 2001–2007 | Medium excavator |
| Volvo EC180B | Volvo D6 | 2002–2007 | Medium excavator |
| Volvo EC210B | Volvo D6 / D7 | 2000–2007 | Medium excavator |
| Volvo EC240B | Volvo D7 / D8 | 2000–2007 | Large excavator |
| Volvo EC290B | Volvo D8 / D9 | 2000–2007 | Large excavator |
Additional compatible models (verify before purchase):
| Model | Compatibility |
|---|---|
| Volvo EC130B | ⚠️ Check engine – may use same sensor |
| Volvo EC140B L | ✅ Compatible (long undercarriage) |
| Volvo EC210B L | ✅ Compatible (long undercarriage) |
| Volvo EC240B L | ✅ Compatible (long undercarriage) |
| Volvo EC290B L | ✅ Compatible (long undercarriage) |
| Volvo EC140C / EC210C | ❌ Different sensor design |
| Volvo EC210D / EC240D | ❌ Different sensor design |
⚠️ Important: The B-Series models (EC140B, EC210B, etc.) use this sensor. The C-Series and D-Series use different sensors.
| Engine | Models | Displacement | Configuration |
|---|---|---|---|
| Volvo D5 | EC140B | 4.8L | 4-cylinder turbo diesel |
| Volvo D6 | EC160B, EC180B, EC210B | 5.7L | 6-cylinder turbo diesel |
| Volvo D7 | EC210B, EC240B | 7.1L | 6-cylinder turbo diesel |
| Volvo D8 | EC240B, EC290B | 7.7L | 6-cylinder turbo diesel |
| Volvo D9 | EC290B | 9.4L | 6-cylinder turbo diesel |
Normal Coolant Temperature Ranges:
| Condition | Temperature | Action |
|---|---|---|
| Cold Start | 0-30°C (32-86°F) | Glow plugs active |
| Warmup | 30-70°C (86-158°F) | Normal operation |
| Normal Operating | 75-95°C (167-203°F) | Optimal fuel economy |
| High Temperature Warning | 100-105°C (212-221°F) | Check cooling system |
| Overheat / Derate | >105°C (>221°F) | Engine derates |
| Critical Shutdown | >110°C (>230°F) | Engine protection shutdown |
| Brand | Part Number | Notes |
|---|---|---|
| COGENG | VOE14505855 | Direct replacement |
| Volvo (OEM) | VOE14505855 | Original equipment |
| Volvo (alternate) | 14505855 | Without VOE prefix |
| Aftermarket | 20498779 | Similar (verify) |
| Aftermarket | 14505855 | Common cross-reference |
Note: The "VOE" prefix indicates a Volvo original equipment part number.
✅ Direct OEM replacement for:
Volvo part number: VOE14505855
Volvo part number: 14505855 (without prefix)
✅ Designed For:
Volvo EC140B excavator
Volvo EC160B excavator
Volvo EC180B excavator
Volvo EC210B excavator
Volvo EC240B excavator
Volvo EC290B excavator
✅ Engine Compatibility:
Volvo D5 (4.8L, 4-cylinder)
Volvo D6 (5.7L, 6-cylinder)
Volvo D7 (7.1L, 6-cylinder)
Volvo D8 (7.7L, 6-cylinder)
Volvo D9 (9.4L, 6-cylinder)
✅ Electrical Specifications:
Connector: 2-pin (Deutsch or AMP – matches Volvo)
Operating Voltage: 5V DC (reference from ECU)
Output: Variable resistance (NTC thermistor)
✅ Mechanical Specifications:
Thread Size: M10x1 or 1/8-27 NPT
Hex Size: 17mm, 19mm, or 22mm
Sealing: Rubber O-ring (pre-installed)
⚠️ Before purchasing, please verify:
| Check Item | Details |
|---|---|
| Machine Model | EC140B, EC160B, EC180B, EC210B, EC240B, or EC290B |
| Engine Type | D5, D6, D7, D8, or D9 |
| Old Part Number | VOE14505855 or 14505855 |
| Connector Type | 2-pin (photo recommended) |
| Thread Size | M10x1 or 1/8-27 NPT |
❌ NOT Compatible With:
Volvo EC140C, EC210C (C-Series – different sensor)
Volvo EC140D, EC210D (D-Series – different sensor)
Volvo EC130B (check engine type)
Volvo EC360B (larger engine – different sensor)
Non-Volvo equipment (different ECU calibration)
Q1: What are the symptoms of a failing water temperature sensor on a Volvo excavator?
A: Common symptoms include:
Check Engine Light (CEL) with error codes.
Temperature gauge reads 0°C or pegged at maximum.
Engine derates (reduced power) due to incorrect ECU readings.
Hard starting in cold weather (no cold-start assist).
Cooling fan runs constantly or never runs.
Poor fuel economy.
Engine overheating without warning.
Q2: Is this a genuine Volvo OEM part?
A: No. COGENG is an aftermarket manufacturer (ISO9001) . Our parts are built to OEM specifications, offering the same fit and function at a reduced cost.
Q3: Will this sensor fit my Volvo EC210B?
A: Yes – the EC210B is one of the primary compatible models.
Q4: Will this sensor fit my Volvo EC240B?
A: Yes – the EC240B is one of the primary compatible models.
Q5: Will this sensor fit my Volvo EC140B?
A: Yes – the EC140B is one of the primary compatible models.
Q6: What is the difference between VOE14505855 and 14505855?
A: No difference – they are the same part number. "VOE" is simply the Volvo OEM prefix. Both refer to the same sensor.
Q7: Will this sensor fit an EC210C (C-Series)?
A: No – the C-Series uses a different sensor design. This sensor is for B-Series models only.
Q8: Do I need Volvo diagnostic software (VCADS Pro) to install this sensor?
A: The sensor is plug-and-play, but we recommend clearing any stored diagnostic codes after installation. If you have access to VCADS Pro, use it to verify the temperature reading.
Q9: What is the correct torque for this sensor?
A: 15–25 Nm (11–18 ft-lbs) . Do not overtighten.
Q10: Can I install this sensor myself?
A: Yes, with basic mechanical skills (15–20 minutes). If unsure, professional installation is recommended.
Q11: Is this sensor in stock for immediate shipping?
A: Yes – COGENG maintains stock of 500+ units. Orders ship within 24–48 hours.
Q12: How long does shipping take?
A:
Express (DHL/FedEx/UPS/TNT): 3–7 business days worldwide.
Air freight: 7–12 days.
Sea freight: 20–40 days.
Q13: How do I place a trial order?
A: Contact your COGENG distributor. MOQ is 1 piece.
| Code | Description | Likely Issue |
|---|---|---|
| PID 110 | Engine Coolant Temp Sensor – Voltage High | Sensor open circuit / disconnected |
| PID 110 | Engine Coolant Temp Sensor – Voltage Low | Sensor shorted / internal failure |
| MID 130 | Engine Control System – Temperature Error | Sensor reading out of range |
| SID 110 | Coolant Temperature Sensor – Faulty | Sensor calibration issue |
If codes persist after sensor replacement, check the wiring harness for damage.
| Parameter | Value |
|---|---|
| Sensor Type | NTC Thermistor |
| Temperature Range | -40°C to +150°C |
| Resistance @ 25°C (77°F) | ~10,000 Ω |
| Resistance @ 80°C (176°F) | ~2,000 Ω |
| Resistance @ 100°C (212°F) | ~1,000 Ω |
| Connector Type | 2-pin Deutsch / AMP |
| Thread Size | M10x1 or 1/8-27 NPT |
| Hex Size | 17mm / 19mm / 22mm |
| Housing Material | Brass / Stainless Steel |
| Seal Material | Nitrile rubber (NBR) |
| Operating Voltage | 5V DC (from ECU) |
| Response Time | <5 seconds |
| ISO Standard | ISO9001:2015 |
| Country of Origin | China (Guangdong) |
| HS Code | 90259000 |
| Weight | Approx. 40g |
To ensure we ship the correct sensor, please provide:
Machine Model: EC140B / EC160B / EC180B / EC210B / EC240B / EC290B
Engine Type: D5 / D6 / D7 / D8 / D9
Old Part Number: VOE14505855 or 14505855
Photo of Old Sensor: (Highly recommended – helps identify connector and thread type)
✅ In Stock – Ready to Ship.
✅ MOQ 1 piece accepted for trial orders.
📞 Contact COGENG supplier today to place your order!
*Shipping Details Delivery Return*
Sales Price:
The displayed price is for reference only. Please contact COGENG sales support for the exact price.
shipping Details Method:
Sea, land, or air transport; the specific method is determined based on the nature of the shipment.
Estimated Delivery Time:
Based on the dispatch time from the logistics carrier; the displayed arrival time serves as the reference.
Contact information is provided at the bottom of the page.
Merchant Return Policy:
Products shipped are not eligible for return or exchange.
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