OE Quality
60-Day Returns

Bosch 13019 Oxygen Sensor - Upstream
Reliable Oxygen Sensor for Audi 4000 Vehicles
The Bosch 13019 oxygen sensor is designed specifically for Audi 4000 models, ensuring accurate emission control and optimal engine performance. This sensor helps maintain proper air-fuel mixture by monitoring exhaust gases and providing real-time data to the engine control unit.
- Compatible with Audi 4000 models
- Part number 13019 for precise identification
- Belongs to Bosch's Actual OE Oxygen Sensor product line
- Ensures accurate emission readings for efficient engine operation
- Direct replacement sensor for emission control systems
About the Bosch Actual OE Oxygen Sensor Line
The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing reliable performance and durability. This product line focuses on delivering sensors that match factory fit and function, making the 13019 oxygen sensor a dependable choice for maintaining your Audi 4000’s emission system.
Product Details and Functionality
The Bosch 13019 oxygen sensor plays a critical role in monitoring the oxygen levels in the exhaust gases of Audi 4000 vehicles. By sending accurate data to the engine control unit, it helps regulate the air-fuel ratio, which is essential for reducing emissions and improving fuel efficiency. This sensor is designed to withstand harsh operating conditions and maintain consistent performance over time.
Common Issues Addressed by This Oxygen Sensor
- Incorrect air-fuel mixture causing poor fuel economy
- Increased emissions leading to failed emissions tests
- Engine performance problems such as rough idling or hesitation
- Check engine light triggered by faulty oxygen sensor readings
- Potential damage to catalytic converter from improper exhaust gas monitoring
Installation Notes and Tips
When installing the Bosch 13019 oxygen sensor on an Audi 4000, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the sensor threads during installation. Verify sensor wiring connections are secure and free from corrosion to maintain accurate signal transmission.
Quality Assurance and Warranty
Bosch oxygen sensors, including part number 13019, are manufactured to meet strict quality standards. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship. Refer to Bosch or your parts provider for exact warranty terms.
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1987 | Audi | 4000 | 1.8L | L4 | Upstream | Exact Fit; Actual OE Oxygen Sensor |
| 1986 | Audi | 4000 | 1.8L | L4 | Upstream | Exact Fit; Actual OE Oxygen Sensor |
| 1985 | Audi | 4000 | 1.8L | L4 | Upstream | Exact Fit; Actual OE Oxygen Sensor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.