Mini Cooper One R50 R52 R53 Seat Belt Tensioner Left N/S 9119543

Mini Cooper One R50 R52 R53 Left Seatbelt Pretensioner 9119543 is an original part from the Seatbelts and Parts category, designed for installation on the left side of the vehicle. This product comes from a dismantled vehicle, making it a sensible choice for drivers seeking factory fitment and proven construction at an attractive price.

Specifications and technical data

• SKU: 9119547
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 9119547
• Substitutable numbers: 72117143625, 7143625, 72119119547, 9119547, 9119543
• Location on the vehicle: Left
• Category: Seat Belts & Parts

Purpose and Fitment for Mini

The pretensioner has been specifically designed for the Mini Cooper One R50, R52, R53 models, ensuring proper alignment with the factory seatbelt and the driver's seat structure. Its placement on the left side of the vehicle ensures compatibility with the European specification of these models and facilitates installation without modifications.

By utilizing an OEM solution, the pretensioner works in conjunction with the vehicle's original safety system, including the airbag control module and crash sensors, maintaining the manufacturer-intended operational logic.

Construction and Function of the Seatbelt Pretensioner

The seatbelt pretensioner is responsible for rapidly tightening the belt against the driver's body in the event of a collision, limiting uncontrolled movement and improving the effectiveness of the entire passive safety system. This component works with the seatbelt retractor mechanism and seat mountings, forming a cohesive protection system.

Key functional features of the pretensioner:

• Precise cooperation with the seatbelt – proper belt tension at critical moments.
• Fitment for the left-side seat structure – maintaining correct belt routing geometry.
• Integration with the SRS system – manufacturer-intended response in case of a collision.

Benefits of Using an Original Pretensioner

Using a pretensioner from a dismantled Mini allows for safety parameters close to factory standards, without the need for aftermarket replacements of uncertain specifications. The original construction ensures:

• Proper fitment to the Mini body – no issues with installation or component positioning.
• Compatibility with the factory electrical system – appropriate connectors and intended connection method.
• Stable operation within the seatbelt system – predictable behavior in emergency situations.

This solution is particularly recommended for post-accident repairs, replacing a damaged pretensioner, or restoring full functionality to the safety system after airbag deployment.

Condition, Origin, and Practical Application

The pretensioner comes from a Mini vehicle and is a used part, allowing for the combination of factory build quality with a favorable purchase cost. Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and to check the SRS system for any errors recorded in the control unit.

When replacing the pretensioner, it is advisable to follow Mini's service procedures, particularly:

• Disconnecting vehicle power before commencing work on the SRS system.
• Checking the condition of the seatbelt cooperating with the pretensioner.
• Performing a computer diagnostic after installation to clear any errors and confirm correct system operation.

More Products and Technical Knowledge

If you are looking for other parts from the Mini Seatbelts and Parts category, check out the available Mini Seatbelts and Parts in our store to select components that fit your model.

Before the winter season, it is worth comprehensively assessing the condition of key vehicle components – the guide article “Winter Essentials: Which Used Car Parts Are Worth Checking and Replacing Before the Frost?” will be helpful, offering practical checklists and tips for selecting used parts by OEM numbers.