Bosch 17332 Oxygen Sensor - Upstream

Bosch Wideband OE Oxygen Sensor

Bosch 17332 is an Actual OE Oxygen Sensor built as a wideband air-fuel sensor for precise upstream mixture monitoring. It delivers continuous lambda-range measurement for accurate fuel control, stable engine operation, and lower emissions in the vehicles it is listed for, including Volvo C30, C70, S40, S60, and V50 applications.

Key Features

• Wideband A/F oxygen sensor for high-precision air-fuel ratio measurement
• Heated design for faster sensor activity after startup
• Specific-fit replacement with a 5-wire harness and included wiring harness
• Rectangle male connector with blade terminals and 6 terminal positions
• Threaded mounting with 18 mm thread diameter and 22 mm hex size
• Robust metal housing and ceramic sensor construction for demanding thermal cycles
• Part number 17332 for OE-style replacement identification

Product Details

Bosch pioneered the wideband oxygen sensor design used in modern engine management, and this Bosch 17332 sensor follows that OE development path with fast light-off and controlled heater performance. As an upstream sensor, it reports air-fuel mixture changes with more detail than a traditional switching O2 sensor, helping the ECU maintain accurate control under load changes, idle, and cruise conditions. This part cross-references Monroe Shocks & Struts (e.g., 9487150) for the same application.

Compatible With 2008-2013 Volvo C30, Upstream; 2007-2013 Volvo C70, Upstream; 2012 Volvo S60, Upstream; 2007-2011 Volvo S40, Upstream; and 2007-2011 Volvo V50, Upstream. Bosch 17332 is a direct-fit choice for drivers searching for a Volvo C30 upstream oxygen sensor, Volvo C70 wideband O2 sensor, or Volvo V50 air-fuel ratio sensor replacement.

Common Issues This Sensor Can Address

• Check engine light related to oxygen sensor performance
• Incorrect air-fuel ratio readings at the ECU
• Poor fuel economy caused by inaccurate upstream feedback
• Rough idle, hesitation, or inconsistent throttle response
• Higher emissions from degraded sensor response

Installation Notes

Verify the connector shape, wire count, thread size, and upstream location before installation. Use the vehicle’s service procedure for sensor removal and torque specification, and inspect the harness routing to keep the lead clear of exhaust heat. This Bosch 17332 sensor is a specific-fit replacement for the listed Volvo applications, so matching the exact model year and position is important.

Quality Assurance

Bosch supplies OE-developed oxygen sensors to the aftermarket, and the Actual OE Oxygen Sensor line reflects that original-equipment engineering background. The wideband design, heater control, and durable construction are built for consistent signal quality in modern emission-control systems.