HYUNDAI OEM 15-16 Sonata Front Seat Belt-Buckle Tensioner Left 88831C2500 HYUNDAI OEM 15-16 Sonata Front Seat Belt-Buckle Tensioner Left 88831C2500. PART AND FITMENT DETAILS. Category 2 : Restraint Systems. Category 3 : Front Seat Belts. Part Ref# on Diagram : ONLY PART REFERENCE #4 ON...