The Shacman Fuel Level Sensor, identified by the precise OEM part number DZ93189551042, is an essential electronic component designed to provide accurate and reliable readings of the diesel fuel quantity in your heavy-duty truck’s tank. This sensor plays a critical role in fleet management, fuel economy monitoring, and preventing unexpected run-outs that can lead to costly downtime. The DZ93189551042 is engineered to withstand the harsh conditions inside a fuel tank, including constant exposure to diesel, temperature fluctuations, and vehicle vibrations. Its precise measurements are sent to the instrument cluster, giving the driver a clear and continuous indication of remaining fuel, which is vital for trip planning and operational efficiency.
As a genuine Shacman component, the DZ93189551042 guarantees perfect compatibility and fitment for specific truck models, ensuring seamless integration with the vehicle’s electrical system and fuel tank geometry. Faulty or inaccurate fuel level sensors can lead to erroneous readings, causing drivers to miscalculate refueling needs and potentially stranding the vehicle. Replacing a failing unit with this genuine sensor restores accurate fuel monitoring, supports better logistics, and contributes to overall cost control. For fleet managers and owner-operators, maintaining an accurate fuel gauge is not just a convenience but a fundamental aspect of professional truck management and financial planning.
| Parameter | Specification |
|---|---|
| OEM Part Number | DZ93189551042 |
| Component Name | Fuel Level Sensor (Sender Unit) |
| Brand | Shacman |
| Type | Float-Arm with Variable Resistor (Potentiometer) |
| Resistance Range | Commonly 0-190 Ohms, 10-180 Ohms (Model Specific) |
| Voltage | 12V or 24V DC (Vehicle System Dependent) |
| Material (Float) | Foam or Hollow Plastic, Fuel-Resistant |
| Material (Body) | Stamped Steel or Aluminum with Protective Coating |
| Mounting Type | Bolts onto Fuel Tank Sending Unit Opening |
| Compatibility | Shacman X3000, F3000, M3000 Series |
The DZ93189551042 operates on a simple yet effective mechanical and electrical principle. A float, attached to a long, hinged arm, rests on the surface of the fuel. As the fuel level rises or falls, the float moves up and down.
This arm is connected to a variable resistor (potentiometer) inside the sensor body. The movement of the arm changes the electrical resistance across the resistor’s terminals. A specific resistance value corresponds to a specific float position.
The vehicle’s instrument cluster sends a reference voltage to the sensor and reads the returning voltage, which varies with resistance. This signal is then interpreted and displayed as the familiar fuel gauge needle or digital bar reading.
The sensor is calibrated for the specific shape and depth of the Shacman truck’s fuel tank. Non-linear tank shapes require a specific resistance curve to give an accurate reading throughout the entire range.
Using the genuine DZ93189551042 ensures this calibration is correct. Universal sensors may not match, leading to inaccurate readings where the gauge reads half full when the tank is actually three-quarters full, for example.
The sensor is constantly submerged in diesel fuel, which can be corrosive and contain contaminants. The materials used in the DZ93189551042 are selected for excellent chemical resistance, preventing swelling, degradation, or corrosion.
The wiper contacts inside the potentiometer are made from precious metals or durable alloys to ensure consistent electrical contact despite constant minor movement and exposure to fuel vapors.
The float is designed to remain buoyant for the life of the vehicle and not absorb fuel. A sinking float is a common cause of failure, causing the gauge to always read empty regardless of actual fuel level.
Heavy trucks experience significant vibration. The sensor’s internal components are designed to withstand this without the potentiometer track wearing out prematurely or the contacts becoming intermittent.
Robust construction of the arm and pivot point ensures the mechanical movement remains smooth and accurate over hundreds of thousands of kilometers, providing reliable service throughout the truck’s lifespan.
The DZ93189551042 is installed through a dedicated opening on the top of the fuel tank. It is secured with a locking ring or bolts and sealed with a gasket to prevent fuel leaks, which is a critical safety consideration.
The electrical connection is typically a simple 2 or 3-wire plug. One wire is for the signal to the gauge, one for ground, and sometimes a third for a low-level warning light trigger.
When replacing the sensor, it is important to ensure the fuel tank is at a safe level (preferably near empty) and that all safety procedures for working with fuel systems are followed to prevent fire hazards.
Common symptoms include a fuel gauge that sticks on full or empty, gives erratic readings, or does not move at all. The gauge may also behave illogically, such as reading higher when going downhill.
Diagnosis involves checking the wiring for continuity and short circuits, measuring the sensor’s resistance at different float positions, and comparing it to the specified values for the DZ93189551042.
Accurate fuel level data is fundamental for modern fleet telematics and management systems. It allows for precise tracking of fuel consumption, identification of inefficient driving habits, and detection of potential fuel theft.
By knowing exactly how much fuel is being used per trip, managers can optimize routes, schedule refueling at the most cost-effective locations, and accurately calculate the cost per kilometer for each vehicle.
A malfunctioning sensor undermines these efforts, leading to guesswork, inefficient operations, and unexpected expenses. The DZ93189551042 provides the reliable data foundation needed for smart business decisions.
Drivers rely on an accurate fuel gauge to plan their trips and refueling stops, especially in remote areas. A reliable sensor prevents anxiety about running out of fuel and helps maintain schedules.
Unexpected run-outs cause significant downtime, require emergency fuel delivery, and can damage the vehicle’s fuel system by drawing in air and contaminants from the bottom of the tank.
Operational efficiency is enhanced when drivers and dispatchers can trust the fuel information. This trust allows for pushing range limits safely when necessary, maximizing payload and minimizing unnecessary stops.
The DZ93189551042 is designed for specific Shacman truck models and their corresponding fuel tank designs. This includes the length of the arm, the mounting flange, and the electrical connector type.
Using the correct OEM sensor is the only way to guarantee it will fit properly, seal correctly, and provide the resistance values expected by the truck’s instrument cluster software.
The fuel level sensor itself requires no routine maintenance. Its longevity is primarily affected by fuel quality and the absence of physical damage during tank cleaning or other service procedures.
Keeping the fuel tank relatively clean and using quality fuel filters helps prevent sludge and debris from clogging the float mechanism or contaminating the potentiometer.
With normal use, a quality sensor like the DZ93189551042 can last the life of the truck. Replacement is typically only necessary after a failure or if the fuel tank module is being serviced for another reason.
Each DZ93189551042 sensor is tested for electrical continuity, resistance range accuracy, and mechanical smoothness of operation. Samples undergo immersion tests in diesel fuel for extended periods.
The units are also subjected to vibration testing to simulate years of truck operation, ensuring the electrical contacts remain reliable and the mechanical components do not fatigue.
Shacman’s commitment to quality ensures this sensor meets the same durability and performance standards as the original part fitted at the factory, providing peace of mind to the end user.
Choosing the genuine DZ93189551042 ensures accuracy, reliability, and safety. It is engineered to work perfectly with your Shacman truck’s specific fuel system and instrument cluster calibration.
Aftermarket sensors may have different resistance curves, inferior seals, or less durable materials, leading to early failure, fuel leaks, or persistent inaccuracies that defeat their purpose.
Investing in the genuine part protects your larger investment in the truck and its cargo. Accurate fuel data is a small but critical piece of the puzzle for profitable and efficient trucking operations.
The Shacman Fuel Level Sensor, OEM number DZ93189551042, is an indispensable component for accurate fuel management. Its robust design, precise calibration, and reliable performance form the basis for efficient trip planning, cost control, and driver confidence.
When your fuel gauge begins to act unreliably, replacing it with this genuine sensor is the definitive solution to restore accurate monitoring and protect your operational efficiency. It is a straightforward repair with significant long-term benefits.
For correct model application, technical specifications, or to source this vital sensor, please use the contact options provided. Ensure your Shacman truck’s fuel system is monitored with genuine, factory-engineered precision.
