HomeEmission Control > SensorsBosch 13019 Oxygen Sensor - Upstream
Part #: 13019

Bosch 13019 Oxygen Sensor - Upstream

Actual OE Oxygen Sensor, Upstream
3 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$82.46Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Actual OE Oxygen Sensor, Upstream
Fitment: Audi, 4000
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

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:

YearMakeModelLitersCylindersPositionNotes
1987Audi40001.8LL4UpstreamExact Fit; Actual OE Oxygen Sensor
1986Audi40001.8LL4UpstreamExact Fit; Actual OE Oxygen Sensor
1985Audi40001.8LL4UpstreamExact Fit; Actual OE Oxygen Sensor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.