BTR6561 - Front Seat Belt Assembly – Long End – LHFront Seat Belt Assembly Long End left hand inertia reel seat belt assembly forming the active (retractor) end of the front occupant restraint system. The assembly incorporates a retractor mechanism that allows free webbing extension and retraction during normal use, locking automatically under sudden deceleration to limit occupant forward movement. This is the non audible type, fitted on the left hand side of the front seating position in hard top