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Part #: 16291

Bosch 16291 Oxygen Sensor - Upstream

Actual OE Oxygen Sensor, Upstream
⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Actual OE Oxygen Sensor, Upstream
🚗Fitment: Volvo, S40 and V40
🔄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 16291

The Bosch Actual OE Oxygen Sensor 16291 is designed specifically for Volvo S40 and V40 models, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor features a threaded mounting type and a durable metal housing for reliable operation.

  • Compatible with Volvo S40 and V40 vehicles
  • Part number 16291 for exact fitment
  • Narrow-band heated oxygen sensor type
  • Threaded mounting with 18 mm thread diameter
  • 32.8-inch wiring harness length with connector included
  • Blade terminal type with 4 terminals and male connector
  • Standard replacement grade for emission control sensors
  • Steel finish with 22 mm hex size for installation

Detailed Features and Specifications

This Bosch oxygen sensor is part of the Actual OE Oxygen Sensor product line, which focuses on delivering direct-fit replacement parts that meet original equipment specifications. The sensor is a narrow-band heated type, which helps maintain accurate air-fuel ratio readings by quickly reaching operating temperature. It includes a 32.8-inch wiring harness with a rectangular male connector featuring four blade terminals, ensuring secure electrical connections. The sensor’s metal housing and threaded mounting type with an 18 mm thread diameter provide durability and ease of installation. The overall length of 36.1 inches and a sealing surface to connector length of 35 inches accommodate the specific layout of Volvo S40 and V40 exhaust systems.

Applications and Problem Resolution

  • Restores accurate oxygen sensing for improved fuel efficiency
  • Helps reduce harmful emissions by maintaining proper air-fuel mixture
  • Resolves check engine light issues related to oxygen sensor faults
  • Prevents engine performance problems caused by faulty sensor readings
  • Supports compliance with emission regulations for Volvo S40 and V40

Installation Notes and Tips

When installing the Bosch Actual OE Oxygen Sensor 16291, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the sensor’s wiring harness length and connector type match the vehicle’s factory setup. The threaded mounting requires proper torque to avoid exhaust leaks. No mounting bracket is included, so use the existing mounting point on the vehicle. Confirm the sensor orientation and connector alignment before securing the sensor.

Quality Assurance and Warranty

Bosch’s Actual OE Oxygen Sensor line is engineered to meet or exceed OEM standards, providing reliable performance and durability. This sensor is a standard replacement grade part designed for long-term use in Volvo S40 and V40 models. While specific warranty details are not provided here, Bosch typically offers coverage against manufacturing defects. Always consult Bosch or authorized distributors for warranty terms related to part number 16291.

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004VolvoS401.9LL4UpstreamActual OE Oxygen Sensor
2004VolvoV401.9LL4UpstreamActual OE Oxygen Sensor
2003VolvoS401.9LL4UpstreamActual OE Oxygen Sensor
2003VolvoV401.9LL4UpstreamActual OE Oxygen Sensor
2002VolvoS401.9LL4UpstreamActual OE Oxygen Sensor
2002VolvoV401.9LL4UpstreamActual OE Oxygen Sensor
2001VolvoS401.9LL4UpstreamActual OE Oxygen Sensor
2001VolvoV401.9LL4UpstreamActual OE Oxygen Sensor
2000VolvoS401.9LL4UpstreamActual OE Oxygen Sensor
2000VolvoV401.9LL4UpstreamActual 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.