Knowing your fuel level with confidence is essential for efficient trip planning and avoiding unexpected stops. The WG9925550703 FUEL GAUGE SENSOR(HOWO) from HOWO is engineered to provide precise, real‑time fuel level readings, ensuring that your dashboard gauge delivers accurate and dependable information every time you drive. As a vital Howo/Sitrak truck parts component, this sensor is manufactured with a corrosion‑resistant float mechanism and a high‑grade potentiometer, offering exceptional durability and consistent resistance output across the full range of fuel levels. Its robust construction withstands the harsh conditions of diesel fuel, temperature extremes, and continuous vibration, ensuring long‑term reliability. Whether you are replacing a faulty sender or upgrading your fuel monitoring system, the WG9925550703 guarantees a perfect OEM fit, accurate level indication, and dependable service – making it the trusted choice for professional workshops and fleet operators worldwide.
The fuel gauge sensor is the primary interface between the fuel tank and the dashboard indicator, translating the physical fuel level into an electrical signal that the gauge interprets. The WG9925550703 is specifically designed to match the resistance range of the original HOWO fuel gauge, ensuring that the displayed level corresponds accurately to the actual fuel volume. A failing or inaccurate sensor can lead to misleading readings, causing drivers to run out of fuel unexpectedly or overfill the tank, both of which can damage the fuel system. HOWO has engineered this sensor with a precision‑wound wirewound resistor and a robust float arm that moves smoothly without binding, providing a linear and repeatable output. The sensor’s housing is sealed against fuel and moisture, preventing internal corrosion and ensuring consistent performance over years of service. With the WG9925550703, you restore the original accuracy of your fuel gauge, giving you the confidence to plan your trips and maintain your vehicle’s fuel efficiency.
Accurate Reading
±2% Tolerance
Fuel Resistant
Sealed Housing
OEM Fit
Exact Match
Durable Float
Non‑corrosive
Accurate engineering data ensures correct selection and installation. The WG9925550703 is manufactured to strict OEM tolerances, guaranteeing seamless integration with your HOWO fuel system.
| Parameter | Specification | Detail |
|---|---|---|
| OEM Number | WG9925550703 | Exact Match |
| Part Name | FUEL GAUGE SENSOR(HOWO) | Genuine HOWO |
| Brand | HOWO | Original Equipment |
| Application | HOWO T7H / A7 / MC11/MC13 | Fuel level monitoring |
| Resistance Range | 0–100 Ω (empty–full) | Linear curve |
| Tolerance | ±2% of full scale | High accuracy |
| Mounting Type | 5‑bolt flange | OEM spec |
| Float Material | Foam / stainless steel arm | Fuel resistant |
| Connector Type | 2‑pin (AMP / Deutsch) | Weather sealed |
| Operating Temp | -40°C to +85°C | Wide range |
| Weight | 0.35 kg | Compact |
| Warranty | 12 Months | Manufacturer Guarantee |
The WG9925550703 is built with precision and durability in mind. Its sensing element is a high‑quality wirewound potentiometer that provides a smooth, linear resistance change as the float arm moves. The resistive element is protected from fuel contamination by a sealed wiper and a corrosion‑resistant substrate, ensuring consistent output over millions of cycles. The float arm is constructed from stainless steel, resisting bending and corrosion, while the float itself is made of a closed‑cell foam that does not absorb fuel, guaranteeing stable buoyancy. The sensor flange is manufactured from die‑cast aluminium with a nitrile rubber gasket, providing a leak‑proof seal against the fuel tank. Each sensor is calibrated and tested for resistance accuracy and mechanical smoothness, guaranteeing that the WG9925550703 meets HOWO’s stringent quality standards. This meticulous engineering ensures that your fuel gauge delivers accurate, reliable readings, eliminating the guesswork and keeping you informed of your fuel status at all times.
The WG9925550703 is specifically designed for HOWO T7H and A7 trucks equipped with MC11 or MC13 engines, as well as many Sinotruk models that share the same fuel tank sender mounting and resistance specifications. It directly replaces the original fuel level sensor with identical bolt pattern, electrical connector, and float arm length, ensuring a straightforward installation without modifications. The sensor is compatible with both standard and auxiliary fuel tanks.
To confirm fitment, always cross‑reference the OEM number on your existing sensor with WG9925550703. If they match, this component will integrate seamlessly. Keeping this sensor in your spare parts inventory ensures rapid fuel gauge repairs, minimising downtime and providing accurate fuel level information for your drivers.
HOWO T7H
Primary Fitment
HOWO A7
Also Compatible
Fuel Tank
Direct Mount
Direct Replacement
No Mods
Replacing a faulty or inaccurate fuel level sensor with the WG9925550703 immediately restores the precision of your fuel gauge. The accurate resistance output ensures that the gauge needle or digital display reflects the true fuel level, eliminating the frustration of a gauge that reads empty with a quarter tank left or full when it’s nearly empty. This accuracy is critical for long‑haul operations, where precise fuel management is essential for planning refuelling stops and optimising payload weight. The robust construction and sealed design also prevent moisture ingress, which is a common cause of sensor failure, ensuring that the sensor remains reliable over time. For fleet operators, accurate fuel level readings help reduce the risk of running out of fuel on the road, prevent overfilling, and improve overall fleet efficiency. By investing in the WG9925550703, you ensure that your HOWO truck provides the dependable fuel information that drivers and managers rely on.
Installing the WG9925550703 Fuel Gauge Sensor is a straightforward procedure. Begin by safely relieving fuel tank pressure and disconnecting the battery. Remove the retaining ring or bolts securing the old sensor to the fuel tank, and carefully extract the sensor from the tank opening, avoiding any damage to the float arm.
Clean the mounting surface on the tank and inspect the O‑ring groove for any dirt or corrosion. Install the new sensor with a fresh O‑ring, ensuring the float arm is positioned correctly to avoid interference with the tank interior. Secure the sensor with the original retaining ring or bolts, torquing to specification. Reconnect the electrical connector and reattach the battery. Start the engine and observe the fuel gauge; it should respond smoothly to changes in fuel level. Periodically inspect the sensor for signs of leakage or corrosion, and check the electrical connection for tightness. With proper installation, the WG9925550703 will provide accurate and reliable fuel level readings for years to come.
Pro Tip: When installing the new sensor, always use a new O‑ring to ensure a proper fuel‑tight seal. The WG9925550703 is supplied without an O‑ring, so we recommend purchasing a genuine HOWO sealing ring separately for a leak‑proof installation.
Genuine HOWO components are engineered to the highest standards, and the WG9925550703 Fuel Gauge Sensor is no exception. Aftermarket sensors often use lower‑grade potentiometers, inferior float materials, or incorrect resistance ranges, leading to inaccurate readings, short service life, or incompatibility with the original gauge. HOWO’s sensor is manufactured using the same materials and processes as the original equipment, guaranteeing a perfect fit and reliable performance.
By choosing the WG9925550703, you benefit from HOWO’s rigorous testing, including resistance accuracy, thermal shock, and vibration tests. This ensures that the sensor meets the demanding requirements of heavy‑duty trucking. Moreover, genuine parts are backed by a comprehensive warranty and supported by HOWO’s global network, giving you confidence in your purchase.
OEM Authentic
Factory Quality
Long Service
Extended Life
Global Standard
Trusted Worldwide
Q: Which vehicles use the WG9925550703?
A: It is designed for HOWO T7H and A7 trucks with MC11/MC13 engines, as well as many Sinotruk models with the same fuel sender specifications.
Q: What are the symptoms of a failing fuel gauge sensor?
A: Erratic gauge readings, a gauge that never reads full or empty, a gauge that sticks at a certain level, or a completely dead gauge are common indicators.
Q: Is the resistance range compatible with all HOWO gauges?
A: The WG9925550703 is designed to match the original 0–100 Ω range, which is standard for HOWO and many Sinotruk instruments. Always verify your existing gauge specifications.
Q: How do I verify the correct part?
A: Check the OEM number on your existing sensor. If it matches WG9925550703, this is the exact replacement. Consult your vehicle’s parts manual for additional confirmation.
Order your WG9925550703 Fuel Gauge Sensor today! Explore our complete selection of genuine HOWO and Sinotruk fuel system components at Howo/Sitrak truck parts and ensure your fuel gauge always reads true.
The WG9925550703 Fuel Gauge Sensor from HOWO is a testament to precision instrumentation and uncompromising quality. By choosing this genuine component, you ensure that your truck’s fuel level indication remains accurate, reliable, and consistent, allowing you to manage your fuel supply with confidence. Whether you are a professional mechanic or a fleet manager, this sensor offers the performance, durability, and exact fit required for modern heavy‑duty trucks. Trust HOWO – the benchmark for excellence in heavy‑duty truck components – and experience the difference that genuine quality makes.
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