HomeEmission Control > SensorsBosch 15615 Oxygen Sensor - Upstream Right
Part #: 15615

Bosch 15615 Oxygen Sensor - Upstream Right

Bosch Engineered Oxygen Sensor, Upstream Right
⚙️ 14 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Bosch Engineered Oxygen Sensor, Upstream Right
🚗Fitment: Mitsubishi, Montero Sport and Montero
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Reliable Oxygen Sensor for Mitsubishi Montero and Montero Sport

The Bosch Engineered Oxygen Sensor 15615 is designed specifically for Mitsubishi Montero and Montero Sport models. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.

  • Specific fit for Mitsubishi Montero and Montero Sport
  • Heated narrow-band oxygen sensor for precise readings
  • Threaded mounting type with 18 mm thread diameter
  • Includes 21.9-inch wiring harness with 4 wires and blade terminals
  • Durable metal housing with steel finish and 22 mm hex size
  • Connector features a square shape with male gender terminals
  • Standard replacement grade for reliable emission control

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering sensors that meet exact OEM specifications for fit and function. The 15615 part number is part of this line, offering a standard replacement narrow-band heated sensor designed to maintain proper air-fuel mixture and reduce emissions in Mitsubishi Montero and Montero Sport vehicles.

Product Details and Specifications

This Bosch oxygen sensor features a 21.9-inch wiring harness with four wires and blade-type terminals, ensuring secure electrical connections. The sensor is threaded with an 18 mm diameter and 18 mm thread size for straightforward installation. Its metal housing and steel finish provide durability under high-temperature exhaust conditions. The sensor’s overall length is 25.6 inches, with a 24.4-inch length from sealing surface to connector end. The connector is male with a square shape, matching the vehicle’s factory wiring harness. This narrow-band heated sensor type is designed to provide accurate oxygen level readings for emission control systems.

Common Applications and Issues Addressed

  • Restores proper air-fuel ratio monitoring in Mitsubishi Montero and Montero Sport
  • Helps resolve engine performance issues related to faulty oxygen sensors
  • Reduces emissions by ensuring accurate exhaust gas readings
  • Prevents check engine light triggers caused by sensor failure
  • Supports efficient fuel consumption and engine operation

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Bosch 15615 sensor into the exhaust manifold or pipe. Use a 22 mm hex socket for proper tightening. Ensure the wiring harness is connected securely to the vehicle’s male connector with matching blade terminals. No mounting bracket is included, so verify the sensor mounts directly to the threaded port. Handle the sensor carefully to avoid damage to the wiring or sensor tip.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15615 is manufactured to meet OEM standards for fit, form, and function. It is a standard replacement grade sensor designed for durability and reliable performance in emission control systems. Bosch products typically come with a limited warranty; please refer to Bosch documentation or your parts provider for specific warranty details.

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004MitsubishiMontero Sport3.5LV6Upstream RightBosch Engineered Oxygen Sensor
2003MitsubishiMontero Sport3.5LV6Upstream RightBosch Engineered Oxygen Sensor
2003MitsubishiMontero Sport3.0LV6Upstream RightBosch Engineered Oxygen Sensor
2002MitsubishiMontero Sport3.5LV6Upstream RightBosch Engineered Oxygen Sensor
2002MitsubishiMontero Sport3.0LV6Upstream RightBosch Engineered Oxygen Sensor
2001MitsubishiMontero Sport3.5LV6Upstream RightBosch Engineered Oxygen Sensor
2001MitsubishiMontero Sport3.0LV6Upstream RightBosch Engineered Oxygen Sensor
2000MitsubishiMontero3.5LV6Upstream Rightwith California Emission System; Bosch Engineered Oxygen Sensor
2000MitsubishiMontero Sport3.0LV6Upstream Rightwith California Emission System; Bosch Engineered Oxygen Sensor
2000MitsubishiMontero Sport3.5LV6Upstream Rightwith California Emission System; Bosch Engineered Oxygen Sensor
1999MitsubishiMontero3.5LV6Upstream Rightwith California Emission System; Bosch Engineered Oxygen Sensor
1999MitsubishiMontero Sport3.5LV6Upstream Rightwith California Emission System; Bosch Engineered Oxygen Sensor
1999MitsubishiMontero Sport3.0LV6Upstream Rightwith California Emission System; Bosch Engineered Oxygen Sensor
1998MitsubishiMontero3.5LV6Upstream Rightwith California Emission System; Bosch Engineered 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.