5.91 EUR
Vemo V45-73-0002 Oil Pressure Switch
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Vemo V45-73-0002 Oil Pressure Switch
The Vemo V45-73-0002 Oil Pressure Switch is a precision-engineered component designed to monitor and regulate engine oil pressure in high-performance automotive applications. Its robust construction, advanced sensing technology, and seamless integration with modern vehicle systems make it an indispensable element for maintaining optimal engine health.
Core Functionality
This switch operates as a pressure sensor and control relay, converting variations in oil pressure into electrical signals that inform the engine management system. When oil pressure falls below a predefined threshold, the switch triggers an alarm or initiates protective measures such as reducing engine load or shutting down the motor to prevent damage.
Key Technical Specifications
- Operating Pressure Range: Typically calibrated for 0–200 psi (0–14 bar), suitable for a wide array of gasoline and diesel engines.
- Signal Output: Standard 12V DC or 24V DC, compatible with most vehicle diagnostic interfaces.
- Response Time: Sub-second reaction to pressure changes, ensuring immediate feedback to the engine control unit (ECU).
- Temperature Tolerance: Operates reliably from –40°C to +120°C, accommodating extreme driving conditions.
- Material Composition: High-grade stainless steel housing with corrosion-resistant coatings; internal diaphragm made of durable elastomeric material.
Design Features for Reliability
The switch incorporates a sealed diaphragm mechanism that isolates the electrical contacts from oil and contaminants. This design minimizes wear, reduces the risk of short circuits, and extends service life even under high vibration environments.
A compact footprint allows for easy retrofitting into existing engine bays without requiring extensive modifications. The standardized mounting flange ensures secure attachment to the engine block or oil pan.
Compatibility with Modern Engine Management Systems
The V45-73-0002 is engineered to interface seamlessly with contemporary ECU architectures, including those found in Volkswagen, Audi, Mercedes-Benz, Porsche, and Volvo models. Its digital output can be read by onboard diagnostics (OBD) tools, enabling real-time monitoring of oil pressure status during both routine operation and fault diagnosis.
Installation Guidelines
Proper installation is critical for accurate performance:
- Preparation: Clean the mounting surface to remove grease or debris. Verify that the engine oil level meets manufacturer specifications before proceeding.
- Mounting: Align the flange with the pre-drilled holes on the engine block. Secure using the supplied bolts, tightening in a cross-pattern to ensure even pressure distribution.
- Electrical Connection: Connect the sensor leads to the ECU or dedicated oil pressure monitoring module. Use shielded cables to prevent electromagnetic interference.
- Calibration: After installation, perform a calibration check using an external gauge or diagnostic software to confirm that the switch responds correctly at low and high pressure points.
Maintenance and Troubleshooting
Routine checks are recommended to maintain optimal function:
- Visual Inspection: Look for signs of oil seepage, corrosion, or physical damage to the housing.
- Electrical Testing: Verify continuity between contacts and correct voltage output using a multimeter. A sudden drop in signal may indicate diaphragm failure.
- Pressure Verification: Compare sensor readings with an external pressure gauge during engine start-up to ensure accurate thresholds.
If discrepancies arise, replace the switch promptly to avoid potential engine damage due to unmonitored oil pressure fluctuations.
Benefits of Choosing Vemo V45-73-0002
- Enhanced Engine Protection: Early detection of low oil pressure prevents catastrophic bearing failure and prolongs engine lifespan.
- High Accuracy: Precise pressure thresholds reduce false alarms, ensuring reliable operation under varying load conditions.
- Durability: Corrosion-resistant materials and sealed design withstand harsh automotive environments.
- Ease of Integration: Standardized connectors and mounting options simplify installation across multiple vehicle platforms.
Conclusion
The Vemo V45-73-0002 Oil Pressure Switch exemplifies engineering excellence in automotive sensor technology. Its combination of reliable pressure sensing, robust construction, and compatibility with modern engine management systems makes it an essential component for safeguarding engine performance and ensuring long-term vehicle reliability.
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 7.03 EUR  19.90 EUR  34.38 EUR |
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| Brand |  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. |
| Model | Vemo V45-73-0002 |
| MPN | Vemo V45-73-0002 |
| ID | 8345386 |
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| Key Features | |
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