The OEM Pre-Tensioner Seat Belt Assembly D-73553 for the Chevrolet Bolt is a critical safety component designed to secure occupants during a collision by tightening the seat belt in milliseconds. This pre-tensioner assembly is engineered to activate in sync with the vehicle’s airbag system, reducing forward movement and helping to minimize injury. Manufactured to OEM specifications, it ensures precise fitment, reliable deployment, and compliance with all federal safety standards. Ideal for repairs, post-collision replacements, or safety system restorations.