Crash & Impact Sensors
Used Crash and Impact Sensors for Vehicle SRS Systems
Browse replacement crash sensors, impact sensors and related SRS sensing components from independent UK marketplace sellers. Listings may include front, side and satellite sensors for different vehicle makes, models and production years.
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Crash Sensor Types and Positions
Vehicles can use several sensors positioned around the body structure. Front impact, side impact and satellite sensors may have different functions, mounting locations and specifications. Identify the exact sensor position rather than selecting a component only because it looks similar.
Part Number Connector and Mounting Checks
Compare the OEM or MPN number, electrical connector, mounting arrangement and orientation with the existing component. Check the vehicle generation, production date and equipment specification. Similar housings can contain sensors calibrated or configured for different applications.
Diagnosis Before Replacement
A restraint-system fault code does not always mean the sensor itself has failed. Wiring damage, corrosion, connector problems, control-module faults or other components may cause a warning. Professional diagnosis should identify the fault and any accident damage before a replacement part is ordered.
Product Condition and Seller Information
Review photographs of the actual product, including its label, connector and mounting surfaces. Read the seller's condition description and check what is included. Do not install a sensor that appears physically damaged, corroded, modified, incorrectly identified or otherwise suspect.
Professional Installation and System Checks
Crash and impact sensors form part of a safety-critical restraint system. Installation, torque procedures, orientation and final diagnostics should be completed by an appropriately qualified automotive professional following manufacturer guidance. Additional repairs may be required before the SRS warning can be safely resolved.
Frequently Asked Questions
These answers cover common questions about replacement crash and impact sensors.
Are front and side impact sensors interchangeable
Normally not. They can differ in calibration, position, connector and mounting arrangement. Match the exact part number and intended location.
Does a matching connector confirm compatibility
No. The housing and connector may look identical while the internal specification differs. Confirm the OEM or MPN number and vehicle application.
Should a sensor be replaced after an accident
The required repair depends on the vehicle, recorded faults and manufacturer procedures. An appropriately qualified professional should inspect and diagnose the complete system.
Can multiple sellers offer the same sensor number
Yes. Review each item's photographs, condition, price, seller information and delivery arrangements before selecting a listing.
