This is the switch assembly with 3 buttons which functions include pedal height adjustment, traction control, and exhaust brake button for 2011 Chevrolet Silverado 2500HD, 3500HD, GMC Sierra 2500HD, and 3500HD trucks. This is for those vehicles equipped with the diesel engine. Replace your old, faulty, malfunctioning part with this brand new factory original part from General Motors.

New. Never Installed. OEM Part. Bulk Overstock

GM Part # 20983233 (number on the item)

Alternate GM part # 22778097