V40720355 Sensor
Similar products
Overview
The V40720355 Sensor is a high‑precision crankshaft position sensor designed to deliver reliable performance in modern internal combustion engines. It plays a critical role in engine management systems by providing accurate timing information that allows the ECU to control ignition, fuel injection, and variable valve timing.
Key Features
- High Accuracy: Delivers precise crankshaft position data with minimal error margins, ensuring optimal engine performance.
- Robust Construction: Built to withstand harsh automotive environments, including high temperatures and vibration.
- Compact Design: Small footprint allows easy integration into tight engine bay spaces.
- Wide Compatibility: Engineered for use in a variety of vehicles, notably models from Opel, General Motors, and other OEMs that require a reliable crankshaft pulse generator.
- Low Power Consumption: Optimized electrical characteristics reduce load on the vehicle’s power supply.
- Fast Response Time: Rapid signal generation ensures timely communication with engine control units.
Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | V40720355 |
| Type | Crankshaft Position Sensor / Pulse Generator |
| Signal Output | Digital pulse (TTL compatible) |
| Operating Temperature Range | -40 °C to +125 °C |
| Mounting Interface | Standard bolt pattern with integrated mounting flange |
| Electrical Supply | 12 V DC (typical automotive battery voltage) |
| Signal Frequency | Up to 20 kHz (depending on engine speed) |
| Dimensions | Approx. 45 mm × 30 mm × 15 mm |
| Weight | ~50 g |
Applications
The V40720355 Sensor is commonly employed in:
- Internal Combustion Engines: Provides critical timing data for ignition and fuel injection systems.
- Engine Control Units (ECUs): Interfaces directly with the ECU to enable precise engine management.
- Variable Valve Timing Systems: Supplies position information that allows camshaft phasing adjustments.
- Diagnostic Tools: Used in service equipment for troubleshooting crankshaft-related faults.
Installation Guidelines
- Preparation: Ensure the engine is cool and disconnect the battery to prevent accidental electrical discharge.
- Removal of Old Sensor: Carefully unscrew the existing crankshaft sensor, noting any wiring harness connections.
- Positioning: Align the new V40720355 Sensor with the mounting flange and secure it using the supplied bolts.
- Wiring: Connect the sensor’s electrical leads to the corresponding ECU input pins, observing correct polarity.
- Testing: Reconnect the battery and start the engine. Verify that the ECU registers a stable crankshaft pulse signal.
Maintenance Tips
- Inspect the sensor housing for cracks or corrosion periodically.
- Check wiring connections for tightness and signs of wear.
- Avoid exposure to excessive oil spray, which can degrade sensor performance over time.
Compatibility Matrix
The V40720355 Sensor is designed to fit a wide range of vehicles. Below are some representative models that commonly use this component:
| Manufacturer | Model Series |
|---|---|
| Opel | Frontera, A/SUV, and other inline‑4 engines |
| General Motors | Various V6 and V8 platforms |
| Other OEMs | Applicable to any engine requiring a crankshaft pulse generator with the specified mounting geometry. |
Performance Highlights
The sensor’s ability to generate clean, high‑frequency pulses ensures that engine control units receive accurate timing data even at high RPMs. This leads to:
- Improved Fuel Efficiency: Precise injection timing reduces fuel consumption.
- Enhanced Engine Longevity: Accurate ignition timing minimizes wear on spark plugs and valves.
- Reduced Emissions: Optimized combustion results in lower exhaust pollutants.
Conclusion
The V40720355 Sensor stands out as a reliable, high‑performance component essential for modern engine management. Its robust design, precise signal output, and broad compatibility make it an ideal choice for automotive engineers seeking to maintain or upgrade crankshaft position sensing systems.
This product in Comparor
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.

