Genuine Bosch Oxygen Sensor 0258005703

Ensure optimal engine performance and fuel efficiency with the Bosch Oxygen Sensor 0258005703 (SKU 22-012). This premium OEM-quality oxygen sensor is engineered by Bosch to deliver precise air-fuel ratio monitoring, keeping your engine running at peak efficiency while reducing harmful emissions. As a genuine Bosch component trusted by automotive professionals worldwide, this sensor ensures reliable performance and long-lasting durability for your vehicle.

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Key Features & Benefits

• Genuine Bosch Quality - Trusted by automotive professionals worldwide
• Precise Oxygen Measurement - Accurate air-fuel ratio monitoring for optimal performance
• Improved Fuel Economy - Ensures proper air-fuel mixture for maximum efficiency
• Reduced Emissions - Helps maintain environmental compliance and reduce harmful emissions
• Prevents Catalytic Converter Damage - Protects expensive exhaust components
• Eliminates Engine Issues - Reduces hesitation, rough idling, and poor performance
• Direct OEM Replacement - Engineered to meet or exceed original equipment specifications
• Long-Lasting Durability - Built for reliable performance in demanding conditions

Technical Specifications

• Bosch Part Number: 0258005703
• Component Type: Oxygen Sensor (O2 Sensor)
• Primary Application: GM vehicles
• Sensor Type: Heated oxygen sensor
• Weight: 0.3 kg (approximate)

Vehicle Compatibility

This Bosch oxygen sensor is compatible with various GM vehicles. Always verify fitment for your specific vehicle and engine code.

CLICK HERE TO CHECK IF THIS FITS YOUR VEHICLE.

OEM Part Number Cross-Reference

This Bosch oxygen sensor replaces the following OEM part numbers:

• 0258005703 (Bosch)
• 25312184 (GM)
• 25326439 (GM)

Common Symptoms of Faulty Oxygen Sensors

• Check engine light illuminated (P0130-P0167 codes)
• Poor fuel economy and increased fuel consumption
• Engine hesitation or stumbling during acceleration
• Rough idle or engine misfires
• Failed emissions test
• Loss of engine power and responsiveness
• Strong fuel smell from exhaust
• Black smoke from exhaust pipe
• Catalytic converter damage or failure

What Does an Oxygen Sensor Do?

The oxygen sensor is a critical component of your vehicle's emissions control and engine management system. Located in the exhaust stream, the oxygen sensor measures the amount of unburned oxygen in the exhaust gases and sends this information to the engine control unit (ECU). The ECU uses this data to continuously adjust the air-fuel mixture, ensuring optimal combustion efficiency, maximum fuel economy, and minimal emissions. A properly functioning oxygen sensor is essential for maintaining engine performance, passing emissions tests, and protecting the catalytic converter from damage.

Why Choose Genuine Bosch Oxygen Sensors?

Genuine Bosch oxygen sensors are designed to meet or exceed original equipment specifications, ensuring accurate readings, reliable performance, and long service life. As a world-leading automotive supplier and original equipment manufacturer for major automakers, Bosch oxygen sensors are built to exacting standards with precision engineering and quality materials. Using genuine Bosch sensors ensures proper fitment, maintains your vehicle's performance and emissions standards, and provides the reliability you need for worry-free driving.

Installation Notes

Professional installation is recommended for best results. Oxygen sensor replacement requires proper tools including an oxygen sensor socket, anti-seize compound for the threads, and careful handling to avoid damaging the sensor element. Always install the sensor in the correct location (upstream or downstream) as specified for your vehicle. The sensor connector must be properly secured and protected from heat and moisture. Never use excessive force when installing or removing oxygen sensors, as this can damage the threads in the exhaust manifold or pipe.

Why Choose LM15 Motorsport?

We supply genuine Bosch oxygen sensors with fast shipping across Australia. Every sensor is carefully inspected to ensure you receive an authentic Bosch component for reliable engine performance and emissions control. Our team can provide expert advice on sensor selection and installation for your specific vehicle.

Need help with fitment or installation? Contact our expert team for advice specific to your vehicle's oxygen sensor requirements.