13.14 EUR
Bosch 0986344055 Oil-Pressure Switch
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Overview of the Bosch 0986344055 Oil‑Pressure Switch
The Bosch 0986344055 Oil‑Pressure Switch is a precision component designed to monitor and regulate engine oil pressure in automotive and industrial applications. Manufactured by Bosch, a leader in automotive electronics, this switch delivers reliable performance under demanding operating conditions.
Key Functionalities
- Real‑time Pressure Monitoring: Continuously measures oil pressure and triggers an electrical signal when predefined thresholds are crossed.
- Signal Output: Provides a clean, low‑impedance output suitable for integration with engine control units (ECUs), dashboard gauges, or safety interlocks.
- Wide Operating Range: Functions effectively across the typical oil pressure spectrum found in gasoline and diesel engines.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | 0986344055 |
| Manufacturer | Bosch |
| Input Voltage | 12 V DC (typical automotive supply) |
| Output Current | ≤ 10 mA |
| Operating Temperature | -40 °C to +125 °C |
| Pressure Range | 0 kPa to 300 kPa (varies by application) |
| Response Time | < 50 ms |
| Mounting Type | Threaded or flange, depending on vehicle architecture |
| Dimensions | Standard automotive size (approx. 30 mm × 20 mm) |
Design Features
The switch incorporates a robust sealed diaphragm** that isolates the electronic circuitry from oil contaminants, ensuring long‑term reliability. The housing is constructed from high‑strength alloy steel, offering resistance to vibration and thermal cycling.
Electrical Interface
A dedicated 12 V DC input powers the internal electronics. When oil pressure exceeds the set threshold, a low‑impedance output pulse is generated, which can be interpreted by an ECU as a “high pressure” condition or by a gauge as a visual indicator.
Installation Guidelines
- Positioning: Mount the switch in proximity to the oil filter housing or engine block where pressure readings are most representative.
- Electrical Connections: Connect the input lead to the vehicle’s 12 V supply, ensuring polarity is correct. Attach the output lead to the ECU or gauge circuit.
- Sealing: Use high‑temperature silicone or gasket material to seal the mounting interface against oil leakage.
- Tuning: Adjust the pressure threshold by selecting an appropriate variant of the switch (different model numbers may correspond to different cutoff pressures).
Applications Across Industries
The Bosch 0986344055 Oil‑Pressure Switch is employed in a variety of settings:
- Automotive Engines: Monitoring oil pressure for safety and performance optimization.
- Heavy Machinery: Ensuring hydraulic systems maintain adequate lubrication.
- Aviation: Providing critical pressure feedback in aircraft engine monitoring systems.
- Marine Propulsion: Protecting engines from low‑pressure conditions that could lead to wear or failure.
Maintenance and Longevity
Due to its sealed construction, the switch requires minimal maintenance. Periodic visual inspections should confirm that no oil has seeped into the housing. If contamination is detected, replace the unit promptly to avoid sensor malfunction.
Common Troubleshooting Scenarios
- No Output Signal: Verify power supply integrity and correct wiring polarity.
- Erratic Signals: Check for oil leaks or excessive vibration that may affect diaphragm operation.
- Failure to Trigger at Expected Pressure: Confirm the correct model variant is installed; different variants have distinct pressure thresholds.
Conclusion
The Bosch 0986344055 Oil‑Pressure Switch exemplifies Bosch’s commitment to precision engineering and reliability. Its compact design, robust construction, and straightforward integration make it an essential component for safeguarding engine performance across automotive, industrial, aviation, and marine platforms.
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| Tags | Oil Pressure |
| Identifiers | |
| Brand |  Bosch is a brand of power tools and appliances. The company was founded in 1886 and produces a wide range of power tools, appliances, and accessories. Bosch tools are known for their quality and durability, and the company is a leader in innovation and design. |
| Model | Bosch 0986344055 |
| MPN | Bosch 0986344055 |
| ID | 7067126 |
| Dimensions / Weight | |
| Key Features | |
