Bosch 0261231178 Ignition Knock (Detonation) Sensor

Bosch Knock Sensor for Volvo Engine Protection

This Bosch ignition knock sensor helps monitor engine detonation so the ECU can adjust timing and protect the engine under load. It is an OE-quality replacement for Volvo applications and supports smoother operation with improved fuel consumption control.

Key Features

• Bosch OE quality ignition knock (detonation) sensor
• Helps detect engine knock for accurate ignition timing control
• Supports engine protection and fuel consumption reduction up to 9%
• Direct-fit replacement for select Volvo models
• Part number: 0261231178

Product Details

Bosch 0261231178 is an ignition knock sensor for emission control and engine management systems. Bosch positions this sensor line as OE quality, giving Volvo owners a replacement that matches the original application requirements for knock detection and timing correction. This part is used on select Volvo S60, V60, XC60, C30, C70, S40, V50, XC70, and S60 Cross Country applications, including 2013-2016 Volvo S60 and 2015-2016 Volvo XC60. This part cross-references 8653171 and 86531710 for the same application.

What It Helps Address

• Engine pinging or spark knock under acceleration
• Reduced ignition timing accuracy from a failing sensor
• Check engine light related to knock sensor performance
• Loss of fuel efficiency caused by incorrect knock feedback
• Engine protection concerns during load or high-temperature operation

Installation Notes and Tips

Verify the vehicle year, model, and engine management application before installation. For fitment, this sensor is listed for 2013-2016 Volvo S60, 2016 Volvo S60 Cross Country, 2015-2016 Volvo V60, 2015-2016 Volvo V60 Cross Country, 2015-2016 Volvo XC60, 2016 Volvo XC70, 2007-2013 Volvo C30, 2012-2013 Volvo C70, 2012 Volvo S60, 2006-2011 Volvo C70, 2004-2011 Volvo S40, and 2005-2011 Volvo V50. Confirm the existing sensor location and connector style before replacement.

Quality Assurance

Bosch is known for OE-level sensor manufacturing, and this knock sensor is built to meet the demands of factory-style engine management on Volvo platforms. The Bosch 0261231178 is intended for accurate detonation monitoring and dependable engine control performance.