+3 50-524513-1 Throttle Knob SSV50-524513-1 $58.95 In stock Quantity: 1 Add to Bag Product Details Replacement throttle knob for Barons and some Bonanzas. Replace that old black knob with one that has the proper shape! Includes knock-out for TOGO button. FAA-PMA approved; replaces Beech p/n: 50-524513-1, -3, & -5. Save this product for later Favorite