Varies by year. See sources and related links below and punch in the exact make, model and year of the Chevrolet Blazer.
All 1995-2005 Chevrolet Blazers take 20" replacement windshield wiper blades on both sides front. The rear wiper blade is a 14".
The 1983-1994 Chevrolet Blazer S-10 (sometimes called "Compact Blazer") takes 16" replacement windshield wiper blades on both sides front. The 1989-1994 models also take a 14" rear wiper blade.
We need to know what year the S10 Blazer is. See sources and related links below to lookup the correct size (correct attachment and lengths) by YEAR of Chevrolet S-10 Blazer.
22"
Check the size of the wiper blades. Measure them and round up if you have a partial inch. Then Google 'lookup wiper size' and verify that you have the correct size. If you have the right size, then its most likely a wiper arm alignment issue which is outside of my expertise.
Take a look at the wiper arms where they attach to the wiper blades. Then look at the "step 1" link below in sources and related links. Watch the video(s) for the arms that look similar. Also be sure to purchase the correct wiper blades because nowadays they're not all the same...you can't just buy by length.
The 2004 Chevrolet Silverado takes 22" replacement windshield wiper blades on both sides front.
what size wiper blades for 2003 chev cavalier
The 1994 Chevrolet Cavalier has 17-inch wiper blades on both sides. It is important to consider not only the size of the wiper blades but also the attachment piece as they vary in size as well.
20" unless it is an older vehicle.
The 2003 Chevrolet Malibu takes 22" driver side and 19" passenger side replacement windshield wiper blades.
The 2003 Chevy Malibu takes a 22" drivers side and a 19" passenger side. When buying windshield wiper blades be sure to always use the application guide book at the store or now-a-days you can google 'lookup wiper size'.