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Bosch 0258006503 - Lambda sensor with vehicle-specific connector
Bosch Lambda sensor with vehicle-specific connector, designed to measure the oxygen content in exhaust gases for efficient combustion and emissions control
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Overview of the Bosch 0258006503 Lambda Sensor
The Bosch 0258006503 is a high‑performance lambda (oxygen) sensor designed for use in modern internal combustion engines. It features a vehicle‑specific connector, ensuring seamless integration with the engine control unit (ECU) of compatible Opel and Vauxhall models. The sensor measures the oxygen content in exhaust gases, providing critical data that allows the ECU to adjust fuel injection and maintain optimal air‑fuel ratios.
Key Functional Characteristics
- Four‑wire construction: Provides a direct signal to the ECU for precise control.
- Compact 325 mm length: Fits easily in tight engine bay spaces without requiring additional adapters.
- Black plug design: Matches standard exhaust manifolds and catalytic converter housings.
- High‑temperature tolerance: Operates reliably at exhaust temperatures up to 600 °C, ensuring durability under heavy load conditions.
- Rapid response time: Enables quick adjustments to fuel delivery, improving throttle response and reducing emissions.
Compatibility Matrix
The sensor is engineered for a wide range of Opel and Vauxhall vehicles. Below are representative models that the Bosch 0258006503 serves:
| Vehicle | Engine Type | Year Range |
|---|---|---|
| Opel Astra H (Classic, Hatchback, Family) | 1.0–1.4 L Pre‑Catalyst | 2004–2010 |
| Opel Corsa C/D (Twinport, 1.0–1.4 L) | Pre‑Catalyst | 2003–2009 |
| Opel Meriva A (MPV) | 1.4 L Pre‑Catalyst | 2004–2010 |
| Opel Agila A/H | 1.0–1.4 L | 2005–2011 |
| Vauxhall Astra (Ecotec) | 1.4 L Pre‑Catalyst | 2004–2009 |
| Vauxhall Corsa (Twinport, 1.0–1.4 L) | Pre‑Catalyst | 2005–2010 |
| Vauxhall Tigra R97 | 1.4 L Pre‑Catalyst | 2005–2009 |
| GMC (Opel/Vauxhall) models | Various 1.0–1.4 L engines | 2004–2011 |
Installation Highlights
The Bosch 0258006503 is engineered for straightforward installation:
- Vehicle‑specific connector eliminates the need for custom adapters.
- Standard four‑wire harness mates directly with the ECU’s lambda input.
- Sensor mounting bracket aligns with OEM exhaust manifold geometry.
- All wiring is shielded to prevent electromagnetic interference, ensuring signal integrity.
Performance Benefits
When correctly installed, this sensor delivers:
- Reduced CO₂ emissions by maintaining optimal combustion.
- Improved fuel economy through precise air‑fuel mixture control.
- Enhanced engine responsiveness and smoother idle.
- Lower risk of catalytic converter damage due to accurate oxygen monitoring.
Maintenance & Diagnostics
The Bosch 0258006503 is designed for long‑term reliability, but routine checks are recommended:
- Inspect the sensor connector for corrosion or loose contacts.
- Verify signal voltage using a diagnostic scan tool; typical idle voltage ranges from 0.1 V to 0.9 V.
- Replace if the sensor shows erratic readings, as this can lead to poor fuel economy and increased emissions.
Why Choose Bosch?
Bosch is a globally recognized name in automotive electronics. The 0258006503 benefits from:
- Rigorous quality control during manufacturing.
- Extensive testing across multiple engine platforms.
- Compatibility with OEM ECU software, ensuring seamless communication.
Conclusion
The Bosch 0258006503 lambda sensor is a reliable, high‑performance component that plays a pivotal role in modern vehicle emissions control. Its vehicle‑specific connector and robust design make it an ideal choice for anyone seeking to maintain or restore the precise air‑fuel balance required by contemporary Opel and Vauxhall engines.
| This product in Comparor | |
|---|---|
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Category
This product is cataloged in our store in these categories
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- Exhaust Lambda sensor for cars |
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International
Find this product in one of our international stores
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 74.86 EUR  73.72 EUR  70.93 EUR  57.95 EUR |
| Colors
Predominant colors of the product |
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| Tags | Sensor with vehicle-specific connector |
| 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 0258006503 |
| MPN | Bosch 0258006503 |
| ID | 6970173 |
| Dimensions / Weight | |
| Key Features | |
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