Product Details & Fitment
Part number 030905377D is a genuine Bentley knock sensor designed for Bentley Bentayga models with the W12 petrol engine. This sensor is used to monitor engine knock and is an important component of the engine management system.
There are two knock sensors of this part number used on the W12 engine. One sensor is positioned on the front edge of the engine block and the other is positioned on the rear edge of the engine block.
The engine wiring loom plugs directly into the knock sensor, allowing the sensor to communicate engine vibration information to the vehicle's engine management system. Correct operation of the knock sensor supports the intended monitoring and management of engine combustion.
This genuine Bentley component is designed specifically for the W12 petrol Bentayga and provides factory-correct fitment for the original engine sensor system. It is suitable as a replacement for a faulty or damaged knock sensor.
Part number 030905377D is listed as suitable for all Bentley Bentayga W12 petrol models. Please verify your vehicle's engine configuration and existing part number before ordering to ensure correct compatibility.
This is a new genuine Bentley knock sensor. Professional installation is recommended to ensure correct positioning and secure connection of the engine wiring loom.




