No Year is listed on the question, however:
2009-2011+ = 22" both sides
1999-2008 = 20" both sides
1997-1998 = 22" both sides
1980-1996 = 18" both sides
The attachment/mount is always another issue so always look up exact part numbers for the brand of wiper you decide to purchase. An example is below, however when looking up by vehicle make, model and year you will ensure proper mount and length.
driver side frame rail area
2001 Ford Truck F250 Super Duty P/U 2WD 5.4L EFI 8cylThe Spark Plug Gap.054 (In thousandths of an inch)
The windshield wiper governor on a 1983 Ford F250 is located behind the glove box. It is on the left side of the cowl.
more than zero
it is in the fuel tank
Where is cylinder temp sensor on 2000 Ford f250 with v10 engine
black box attached to the panel under the wiper switch
f250 ford 2000 model
on the back side of the fuse block inside the dash
You need to replace an engine for a Ford F250 Triton 10 2005 for about $3000.
Where are fuses for tail lights for a 2009 f250
The 2001 Ford F-250 wiper blade sizes are 20" wiper blades on both sides front. See sources and related links below for more information. Since there are over 22 different wiper arm attachments, do not buy wipers just by length only - be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.