Bosch 0261231174 Ignition Knock (Detonation) Sensor

Bosch Knock Sensor for Engine Protection

This Bosch ignition knock sensor helps monitor engine detonation so the engine control system can adjust timing and protect performance. Built to OE quality standards, Bosch part number 0261231174 supports smoother operation and can help reduce fuel consumption when knock is properly controlled.

Key Features

• Bosch OE quality ignition knock (detonation) sensor
• Helps detect engine knock for accurate timing correction
• Supports engine protection and efficient combustion control
• Direct replacement for select GM, Saab, Saturn, and Suzuki applications
• Cross-references 1864078J00 and 12618603 for the same application

Product Details

Part number 0261231174 is a Bosch ignition knock sensor for emission control and engine management systems. Bosch’s OE-quality sensor design is built for precise knock detection, helping the engine control module respond to detonation events before they affect drivability or long-term engine condition. This sensor is listed for applications including the 2008-2009 Pontiac G8, 2006-2008 Buick LaCrosse, 2004-2008 Cadillac CTS, 2007-2008 GMC Acadia, and 2006-2008 Saab 9-3.

For shoppers searching for a Bosch knock sensor for 2008 Chevrolet Malibu, 2008 Saturn Vue, or 2007-2008 Pontiac G6, this part number 0261231174 matches the listed OE-style applications. Bosch notes that proper knock sensing can support fuel consumption reduction when the engine management system is able to maintain optimal timing.

What It Helps Address

• Engine pinging or spark knock under load
• Check engine light related to knock sensor faults
• Reduced engine performance from inaccurate detonation feedback
• Timing correction issues caused by a failing sensor
• Fuel economy loss tied to improper knock control

Installation Notes and Tips

Verify the vehicle’s engine configuration and connector style against the listed fitment before installation. This Bosch knock sensor is listed for specific applications only, including 2005 Buick LaCrosse without harness and 2004-2005 Buick Rendezvous right side. Confirm the original sensor location and any application notes in the fitment data before replacing Bosch 0261231174.

Quality Assurance

Bosch OE-quality construction supports consistent sensor output and dependable engine management performance. This part is built to meet the needs of listed OE-style applications for knock detection and engine protection.