V42720028 Sensor
Vemo (4046001424571 / V42-72-0028) | VEM Crankshaft
V42720028 Sensor: The Ultimate Crankshaft Pulse Generator
The V42720028 Sensor is a high‑precision crankshaft pulse generator designed for modern internal combustion engines. It delivers reliable, repeatable signals to the engine control unit (ECU), ensuring optimal timing for ignition and fuel injection. Whether you are working on a Ford, Fiat, Peugeot, Citroën, or a Volvo engine, this sensor provides the necessary data for precise engine management.
Key Functionalities
- Pulse Generation: Generates a clean, square‑wave pulse each time the crankshaft completes a rotation or reaches a specific angle.
- High Accuracy: Maintains timing accuracy within ±0.1° of crankshaft position, essential for high‑performance engines.
- Robust Signal Output: Provides a stable, low‑noise output compatible with most ECU input specifications.
- Wide Operating Temperature: Operates reliably from –40 °C to +120 °C, suitable for both automotive and industrial applications.
- Compact Design: Small footprint allows easy integration into tight engine bay spaces.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | V42720028 |
| Type | Crankshaft Pulse Generator / Impulsgeber |
| Signal Output | Square Wave, 5 V DC (typical) |
| Signal Frequency | Up to 10 kHz (depending on engine speed) |
| Operating Temperature | –40 °C to +120 °C |
| Mounting Type | Standard bolt‑on with integrated mounting flange |
| Dimensions (L×W×H) | 35 mm × 25 mm × 20 mm |
| Weight | 45 g |
| Electrical Interface | 3‑wire connector (Signal, Ground, Power) |
| Material | High‑temperature alloy housing, ceramic insulator |
| Compliance | ISO 9001, ISO 14001 certified manufacturing process |
Installation Guidelines
The V42720028 Sensor is engineered for straightforward installation. Follow these steps to ensure optimal performance:
- Locate the Crankshaft: Identify a suitable mounting point on the crankshaft pulley or flywheel where the sensor can be securely attached.
- Align the Sensor: Position the sensor so that its magnetic or optical element faces the crankshaft gear teeth or cam profile.
- Secure Fastening: Use the provided bolts to fasten the sensor, ensuring a tight fit without over‑torquing.
- Wire Connections: Connect the three wires—signal, ground, and power—to the ECU input port or a dedicated signal conditioning module.
- Verify Signal Integrity: Use an oscilloscope or diagnostic tool to confirm a clean square‑wave output and correct frequency.
- Final Check: Inspect all connections, ensure no loose wires, and verify that the sensor housing is free from debris.
Compatibility Overview
The sensor’s versatile design allows it to be used across a wide range of engine families. Below is a quick reference for major manufacturers:
| Manufacturer | Engine Models |
|---|---|
| Ford | Focus, Fiesta, Mondeo, Transit (various years) |
| Fiat | Punto, Panda, Tipo, Ducato (various years) |
| Peugeot | 208, 308, 508, Partner (various years) |
| Citroën | C3, C4, Berlingo, Jumper (various years) |
| Volvo | S60, V70, XC90 (various years) |
| Green Mobility Parts | Various hybrid and electric platforms |
Performance Benefits
- Enhanced Engine Timing: Accurate crankshaft position data allows the ECU to fire spark plugs and inject fuel at precisely the right moments, improving combustion efficiency.
- Reduced Emissions: Precise timing reduces unburnt hydrocarbons and CO₂ output, helping vehicles meet stringent emission standards.
- Improved Fuel Economy: Optimized ignition timing leads to better fuel utilization, extending mileage per gallon.
- Reliability Under Stress: The sensor’s robust construction withstands vibration, heat, and oil exposure typical in automotive environments.
- Diagnostic Support: The clean signal output facilitates fault detection and ECU diagnostics, shortening repair times.
Maintenance Tips
Although the V42720028 Sensor is designed for long‑term reliability, periodic checks can prevent unexpected failures:
- Visual Inspection: Check for cracks, corrosion, or oil seepage on the housing.
- Signal Verification: Use a diagnostic scan tool to confirm signal integrity during routine maintenance.
- Clean Mounting Surfaces: Ensure that the crankshaft surface is free from oil, dirt, or debris before re‑installation.
- Secure Wiring: Inspect connectors for wear or loose contacts; replace if necessary.
Applications Beyond Automotive
The sensor’s precision and durability make it suitable for a variety of industrial applications, including:
- Hydraulic pump monitoring
- Wind turbine blade position sensing
- Robotic arm joint feedback systems
- Aerospace engine diagnostics
Conclusion
The V42720028 Sensor stands out as a reliable, high‑performance crankshaft pulse generator. Its compact design, wide temperature tolerance, and compatibility with major automotive brands make it an essential component for anyone seeking precise engine control. By integrating this sensor into your vehicle or machinery, you gain improved timing accuracy, better fuel efficiency, and lower emissions—all while enjoying the peace of mind that comes from using a product engineered for durability and precision.
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Identifiers
Vemo is a brand that specializes in making watches. They make a wide variety of watches, from sporty to dressy, and everything in between. Their watches are known for their high quality and stylish designs.

