Bosch 0261231046 Ignition Knock (Detonation) Sensor

Ignition Knock Sensor Overview

Bosch ignition knock sensor 0261231046 is an OE-quality replacement for vehicles that rely on accurate detonation detection to protect the engine and maintain efficient fuel use. It is a direct-fit emission control sensor for a wide range of Volvo, Saab, Porsche, and Kia applications.

Key Features

• OE-quality knock sensor from Bosch
• Supports engine protection by detecting knock events
• Helps maintain fuel consumption efficiency
• Replacement fitment for multiple European and import applications
• Part number 0261231046 for easy identification

Detailed Description

The Bosch 0261231046 ignition knock sensor is built for engines that use knock feedback to adjust timing and reduce detonation-related stress. Bosch states this OE-quality sensor can help reduce fuel consumption by up to 9% when the engine management system is operating correctly. This part number 0261231046 is listed for fitment across Volvo 240, 740, 760, 780, 850, 940, 960, S90, and V90 models, along with Saab 900 and 9000, Porsche 944 and 968, and the 1996 Kia Sportage.

For buyers searching for a Volvo 940 knock sensor, Saab 900 ignition knock sensor, or Porsche 944 detonation sensor, this Bosch replacement provides a straightforward service part option. It is also a practical choice when replacing a worn or failed sensor that can trigger poor timing control, reduced drivability, or inefficient combustion. The Bosch 0261231046 is cross-referenced to 0K01C18921 and 7568801 for the same application.

What It Is Used For

• Restoring knock detection when the original sensor is no longer reading correctly
• Reducing engine knock-related timing issues
• Addressing fuel economy loss tied to inaccurate detonation feedback
• Correcting drivability problems caused by a failed ignition knock sensor
• Replacing a service-worn sensor on compatible Volvo, Saab, Porsche, and Kia models

Installation Notes and Tips

Verify the connector style and engine application against the vehicle service information before installation. Use the fitment list to confirm the exact model and year, including Volvo 240, 740, 760, 780, 850, 940, 960, S90, and V90 applications. After installation, clear any stored fault codes and confirm that the engine management system is reading knock signals correctly.

Quality Assurance

Bosch supplies OE-quality engine management components, and this knock sensor is engineered to meet the demands of factory-style replacement service. Part number 0261231046 is built for consistent detonation sensing across the listed applications.