Coolant Temperature Sensor 4954905 for FOTON Cummins Engine – OEM Precision Temperature Monitoring

When your heavy-duty FOTON truck demands pinpoint accuracy in coolant temperature readings, the Coolant Temperature Sensor 4954905 delivers unwavering reliability. Engineered to OEM specifications, this sensor speaks directly to your engine's ECU, ensuring optimal thermal management mile after mile. Whether you're maintaining a fleet or replacing a faulty unit, this precision-crafted component integrates seamlessly into FOTON trucks equipped with Cummins engines — keeping your cooling system intelligent and your engine protected.

Key Features and Benefits of Coolant Temperature Sensor 4954905

Precision-Engineered for Harsh Environments

This coolant temperature sensor is purpose-built to thrive where lesser components fail. Its corrosion-resistant brass body laughs at coolant exposure, while the hermetically sealed electrical connector keeps moisture and contaminants at bay. Every unit undergoes strict quality control to guarantee consistent signal output, even under extreme thermal cycling and relentless engine vibration.

• High-Sensitivity NTC Thermistor Probe – Responds rapidly to temperature changes, feeding real-time data to the ECU for precise fuel injection and cooling fan control.
• Corrosion-Resistant Brass Housing – Withstands prolonged exposure to ethylene glycol-based coolants without degradation, extending service life significantly.
• Precision-Machined Threaded Interface – Ensures a leak-proof, torque-accurate installation into the engine block or thermostat housing every single time.
• Sealed Black Electrical Connector – IP67-rated protection prevents signal interference caused by water ingress, oil splash, or road debris.
• OEM-Grade Signal Accuracy – Maintains ±1°C tolerance across the full operating range, ensuring your instrument panel readings remain trustworthy.
• Direct Plug-and-Play Replacement – Matches original connector pinout and thread pitch, eliminating the need for adapters or wiring modifications.

Why Fleet Managers and Engineers Trust This Sensor

A failing coolant temperature sensor doesn't just trigger a warning light — it compromises your entire engine management strategy. Inaccurate readings can cause rich fuel mixtures, premature fan engagement, or worse, undetected overheating. By choosing the genuine 4954905 coolant temperature sensor, you restore factory-level communication between your cooling system and the vehicle's electronic brain. Moreover, Mettlead's factory-direct supply chain means you receive this critical component faster and at a more competitive price than traditional aftermarket channels.

Technical Specifications – Coolant Temperature Sensor 4954905 FOTON

Application Scenarios – Where This Sensor Works

FOTON Trucks with Cummins Engine Platforms

The Coolant Temperature Sensor 4954905 is specifically designed for FOTON trucks equipped with Cummins ISF, ISG, and ISZ series engines. Installed within the engine cooling system, it continuously monitors coolant temperature and transmits precise analog signals to the vehicle's ECU and instrument cluster. As a result, the engine control module can intelligently adjust fuel injection timing, activate the cooling fan at the optimal threshold, and manage SCR system regeneration cycles.

Primary Use Cases

• Normal Operation – Thermal Regulation: During everyday driving, this sensor acts as the engine's thermometer, helping the ECU maintain coolant temperature within the ideal 85–95°C window. Consequently, fuel efficiency stays optimized and emission levels remain compliant.
• Maintenance and Repair – Sensor Replacement: When a faulty sensor causes erratic temperature gauge readings, check engine lights (DTC codes such as P0117/P0118), or incorrect fan behavior, this OEM-spec replacement restores accurate monitoring immediately. In addition, it eliminates the guesswork associated with generic aftermarket alternatives.
• SCR System Support: In trucks with Selective Catalytic Reduction systems, accurate coolant temperature data is essential for proper DEF dosing and catalyst warm-up strategies. This sensor ensures the aftertreatment system receives reliable input data.

Looking for more electrical components for your FOTON truck? Browse our complete Electrical Parts Category or explore the full range of FOTON Truck Parts available from Mettlead.

OEM/ODM Capabilities

At Mettlead, we understand that different markets have different requirements. That's precisely why we offer flexible customization options alongside our standard OEM-equivalent parts:

• White-Label Packaging: Receive the Coolant Temperature Sensor 4954905 in neutral packaging, ready for your own branding and distribution network.
• Custom Packaging Solutions: We can produce units with your company logo, part number cross-references, and multilingual installation instructions printed on the box.
• Strict Quality Control: Every sensor batch undergoes resistance-value testing, thermal cycling validation, and connector seal integrity checks before shipment.
• Factory-Direct Pricing: As a China-based manufacturer and authorized distributor, we eliminate middlemen — passing genuine cost savings directly to your business.
• Bulk Order Flexibility: Whether you need 50 units or 5,000, our production capacity scales to meet your demand without compromising lead times.

Furthermore, we welcome international buyers to visit our facilities for on-site inspection and quality audits. This transparency reflects our commitment to building long-term partnerships built on trust.

Frequently Asked Questions – Coolant Temperature Sensor 4954905

What symptoms indicate a failing Coolant Temperature Sensor 4954905?

A deteriorating sensor typically manifests through erratic temperature gauge readings, unexpected cooling fan activation at cold start, increased fuel consumption, or stored diagnostic trouble codes (P0115, P0117, P0118). If your FOTON truck's ECU receives out-of-range resistance values from the sensor, it may default to a fixed temperature map — reducing engine efficiency and potentially triggering limp mode.

Is this Coolant Temperature Sensor 4954905 a direct OEM replacement for FOTON Cummins engines?

Absolutely. This sensor matches the original 4954905 part number specifications, including thread pitch (M12 × 1.5), connector pinout, and NTC resistance curve. It installs directly into the same location on your FOTON Cummins engine block or thermostat housing without any modifications. The plug-and-play design means your technician can complete the swap in minutes.

What is the operating temperature range of this coolant temperature sensor?

The sensor operates reliably from -40°C to +135°C, covering everything from cold-climate startups to extreme under-hood heat soak conditions. Its NTC thermistor maintains ±1°C accuracy throughout this entire range, ensuring your ECU always receives dependable data.

How does the sealed connector protect the sensor signal?

The IP67-rated hermetically sealed black connector creates an impenetrable barrier against water, oil, dust, and road salt. This protection is critical because even minor moisture ingress can cause signal noise, leading to phantom temperature spikes or drops that confuse the engine management system. The sealed design guarantees clean, stable voltage output throughout the sensor's service life.

Can I use this sensor in SCR aftertreatment system applications?

Yes. The 4954905 sensor is validated for use in both primary engine cooling circuits and SCR system temperature monitoring positions. Its rapid thermal response time ensures the aftertreatment control module receives timely data for accurate DEF injection and catalyst management.

What torque specification should I use during installation?

For the M12 × 1.5 brass-body sensor, the recommended installation torque is 20–25 Nm. Over-torquing can damage the brass threads or compromise the sealing washer, while under-torquing may result in coolant leaks. Always apply a thin film of thread sealant if specified by your FOTON service manual.

Ready to Order? Get Your Coolant Temperature Sensor 4954905 Today

Don't let a failing temperature sensor put your fleet at risk. Mettlead delivers genuine OEM-quality Coolant Temperature Sensor 4954905 for FOTON Cummins engines directly from our factory — with competitive pricing, fast global shipping, and flexible payment options that protect both parties.

Take the next step:

• Request a bulk quotation with volume-based discounts
• Ask about white-label packaging for your distribution brand
• Inquire about cross-reference compatibility for your specific FOTON model

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Contact Us Now to speak with our technical sales team. We typically respond within 12 hours with pricing, availability, and shipping options tailored to your region.

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