Volvo V40 Pedestrian Crash Impact Sensor Bonnet Hood Actuator Front P31305432

Volvo V40 Pedestrian Crash Impact Sensor Bonnet Hood Actuator is a specialized component of the pedestrian protection system, responsible for activating the hood in the front part of the vehicle body. This component from the Hinges, locks, and other hood parts group works with the vehicle's safety system, ensuring precise operation at the right moment. Thanks to the original design intended for Volvo, the sensor and actuator maintain the correct hood operating geometry and consistency with the factory system.

Specifications and technical data

• SKU: P31305432
• Mark: Volvo
• Condition: Used
• OEM Part Number: P31305432
• Substitutable numbers: P31305432, 1T13140420064
• Location on the vehicle: Front
• Category: Hinges, Latches & Additional Bonnet Components

Purpose and function in the vehicle

The presented pedestrian crash impact sensor integrated with the hood actuator is mounted in the front zone of the body, where it works with the collision detection system. Its task is to transmit a signal and trigger the mechanism that lifts the hood, which allows for changing its position relative to hard elements in the engine compartment. Such a solution reduces the risk of more serious injuries to a pedestrian in specific types of collisions. This element is part of Volvo's factory safety architecture, which is why its proper operation is important both for the protection of people outside the vehicle and for compliance with the electronic systems responsible for collision management.

Construction and integration with the hood system

The sensor with the actuator works with the hood mounting mechanism, hinges, and other components from the Hinges, locks, and other hood parts group. The design provided by the vehicle manufacturer ensures:

• proper placement in the collision zone,
• correct load transfer to the hood during activation,
• consistency with factory mounting points,
• compatibility with the safety control system. Thanks to this, the assembly proceeds in an orderly manner, and after proper installation and calibration, the system maintains the parameters intended for the given Volvo V40 model.

Benefits of using an original Volvo element

Using a component coming from the same design line as the factory Volvo equipment translates into a number of practical advantages. The most important include:

• precise fit to the vehicle's front structure – no need for modifications to mounts or wiring,
• maintaining the pedestrian protection system's operating characteristics intended by the manufacturer,
• consistency with the control software and safety system logic,
• easier diagnostics at a service center thanks to compliance with factory diagrams. In the case of elements responsible for safety, it is particularly important to maintain the original specification, which limits the risk of the system malfunctioning in an emergency situation.

Condition, assembly, and service recommendations

The offered element is in used condition, which means it comes from dismantling and, before re-installation, should be verified by a qualified workshop for proper operation and any potential need for adaptation in the vehicle's system. In the case of safety systems, it is recommended to have the installation performed by a service center with access to appropriate diagnostic tools to confirm the absence of errors in the controller memory after replacement. Before installation, it is also worth checking the condition of other elements working with the sensor and hood actuator, such as hinges, locks, or mounts, to ensure the proper operation of the entire system in the front part of the body.

Complementary Volvo hood elements

If you are planning a comprehensive repair or upgrade of the front zone in your Volvo and need other elements from the same group, such as hood hinges, locks, or additional mounts, check the available parts in the Volvo hinges, locks, and other hood parts category.

Support in selecting used parts

When choosing used safety system elements, it is worth paying attention to compatibility with the specific vehicle equipment version and the part's history. Practical tips regarding the safe use of components from the secondary market inside the car, as well as general rules for selecting and installing original elements, can be found in the article Steering wheels and other interior elements – how to transform your car with parts from the secondary market?. Additionally, if you want to better understand the differences between original, replacement, and used parts and their cost-effectiveness, the guide Original, replacement, or used – which car parts are the most cost-effective? will be helpful.