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C4954905 XCMG GR2605 motor grader temperature sensor
– Part Number: C4954905 (4954905)
– Description: SENSOR, TEMPERATURE / Coolant Temperature Sensor
– Cross Reference: 3865346, 3096153, 4088750, 4088751
– Type: NTC Thermistor
– Range: -40°C to +130°C
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Product Details:
C4954905 XCMG GR2605 motor grader temperature sensor
C4954905 (4954905) is a genuine Cummins coolant temperature sensor (ECT). It monitors engine coolant temperature, sends signals to ECU to control fuel injection, fan speed, and warm-up. Prevents overheating/overcooling, ensures performance, fuel efficiency, and emission compliance. Fits ISB, QSB, ISF, B/C series engines, widely used in trucks, machinery, and gensets.
Technical Parameters
– Part Number: C4954905 (4954905)
– Description: SENSOR, TEMPERATURE / Coolant Temperature Sensor
– Cross Reference: 3865346, 3096153, 4088750, 4088751
– Type: NTC Thermistor
– Range: -40°C to +130°C
– Accuracy: ±1.5%
– Connector: 2-pin waterproof
– Thread: 1/4 NPT
– Material: Brass body, stainless probe, Viton seal
– Voltage: 5V (ECU reference)
– Signal: 0.5–4.5V linear output
– Weight: Approx. 0.028kg
– Protection: IP67
– Torque: 20±3N·m
– Standards: Cummins OEM, ISO 9001, TS16949, SAE J2008
Application
Applicable Engines
– Dongfeng Cummins: ISB5.9, ISB6.7, QSB5.9, QSB6.7, 4B3.9, 6BT5.9
– Foton Cummins: ISF2.8, ISF3.8, QSF3.8
– Xi’an Cummins: ISM11, QSM11
– Chongqing Cummins: M11, N14, K19, K38, C8.3
– Displacement: 2.8L–15L diesel engines
Equipment
– Commercial Vehicles: Dongfeng Tianjin, Tianlong, Foton Aumark, Ollin, Dodge Ram 2500/3500
– Construction Machinery: Excavators, loaders, rollers, cranes (QSB6.7/ISB5.9)
– Generator Sets: 50–300kW Cummins 4B/6B/QSB diesel gensets
– Industrial: Air compressors, pumps, marine auxiliaries, oilfield equipment
Mounting Location
Cylinder head coolant passage, thermostat housing, water pump, outlet pipe, oil cooler housing. Directly immersed in coolant for accurate reading; away from exhaust heat sources.
Installation & Maintenance
1. Safety: Cool engine below 40°C, relieve pressure to avoid scalding.
2. Clean: Remove scale/debris from port; ensure clean threads/seal.
3. Inspect: Probe straight, housing intact, seal not cracked.
4. Seal: Apply high-temp sealant; lubricate new O-ring.
5. Install: Thread in by hand; torque to 20±3N·m evenly.
6. Connect: 2-pin plug locked; harness secured.
7. Test: Start engine; check ECU data (~2.5V at 25°C); fan cycles at 80–90°C.
8. Maintain: Inspect every 3–6 months; replace C4954905 if faulty.
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