HomeEmission Control > SensorsBosch 16541 Oxygen Sensor - Downstream, Downstream Left or Downstream Right
Part #: 16541

Bosch 16541 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Actual OE Oxygen Sensor, Downstream
13 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$115.29Free 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, Downstream
Fitment: Porsche and Volvo, 911, S80, and XC90
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Bosch Actual OE Oxygen Sensor 16541

The Bosch Actual OE Oxygen Sensor 16541 is designed specifically for select Porsche and Volvo models, including the Porsche 911 and Volvo S80 and XC90. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

  • Specific fit for Porsche 911, Volvo S80, and Volvo XC90
  • Heated narrow-band oxygen sensor for reliable operation
  • Threaded mounting type with 18 mm thread diameter and 22 mm hex size
  • Includes a 25.8-inch wiring harness with a 4-wire blade terminal connector
  • Durable metal housing finished in steel for long-lasting use

Features and Specifications

This Bosch oxygen sensor features a 4-wire design with blade-type terminals and a rectangular male connector, ensuring secure and precise electrical connections. The sensor is heated, which allows it to reach operating temperature quickly for accurate readings under various driving conditions. The threaded mounting type with an 18 mm diameter and 22 mm hex size facilitates straightforward installation. The wiring harness length measures 25.8 inches, with an overall length of 29.1 inches from sealing surface to connector end, providing ample reach for proper fitment.

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This product line focuses on delivering reliable emission control components that maintain vehicle performance and comply with environmental standards. The 16541 sensor is part of this line, ensuring compatibility and quality for Porsche and Volvo vehicles requiring a narrow-band heated oxygen sensor.

Applications and Common Issues Addressed

  • Helps maintain proper air-fuel ratio for efficient combustion
  • Reduces harmful emissions by providing accurate oxygen level data
  • Prevents engine performance issues such as rough idling or hesitation
  • Resolves check engine light triggers related to oxygen sensor faults
  • Supports fuel economy by optimizing engine management system inputs

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Bosch 16541 sensor into the exhaust manifold or pipe. Use a 22 mm wrench or oxygen sensor socket for proper tightening. Ensure the wiring harness is routed away from hot exhaust components to prevent damage. The sensor’s specific fitment for Porsche 911, Volvo S80, and XC90 models means no modifications are necessary for proper installation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The Actual OE Oxygen Sensor 16541 is constructed with a metal housing and high-grade materials to withstand harsh operating conditions. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s reliability.

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005Porsche9113.6LH6DownstreamActual OE Oxygen Sensor
2005Porsche9113.8LH6DownstreamActual OE Oxygen Sensor
2005VolvoS802.9LL6Downstream LeftActual OE Oxygen Sensor
2005VolvoXC902.9LL6DownstreamActual OE Oxygen Sensor
2004Porsche9113.6LH6DownstreamActual OE Oxygen Sensor
2004VolvoS802.9LL6Downstream LeftActual OE Oxygen Sensor
2004VolvoXC902.9LL6DownstreamActual OE Oxygen Sensor
2003Porsche9113.6LH6DownstreamActual OE Oxygen Sensor
2003VolvoS802.9LL6Downstream LeftActual OE Oxygen Sensor
2003VolvoXC902.9LL6DownstreamActual OE Oxygen Sensor
2002Porsche9113.6LH6DownstreamActual OE Oxygen Sensor
2002VolvoS802.9LL6Downstream RightTo 07/2002; Actual OE Oxygen Sensor
2002VolvoS802.9LL6Downstream RightActual OE Oxygen Sensor

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

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.