https://midwestbusparts.com/index.php?main_page=product_info&cPath=21_342&products_id=8395
parts:
1 Sale 02-Y-984 - Wiper Switch, 5-Blade, Off/Park-Low-High $ 22.50 2 ea $ 45.00
2 Sale 16-C-200181 - Crank Arm, 1 3/8" $ 8.99
3 Sale 16-L-200100 - Connecting Link, 3 3/8" $ 9.99 2 ea $ 19.98
4 Sale 16-M-900 - Common School Bus Wiper Motor, 12V $ 69.99 2 ea $ 139.98
5 Sale 16-P-300775 - Pivot Shaft, 4 5/8" $ 19.99 1 ea $ 19.99
6 Sale 16-Z-300924 - Washer For Connecting Link $ 0.89 4 ea $ 3.56
7 Sale 16-Z-300928 - Spring Clip $ 1.25 8 ea $ 10.00