2015 Mack GU4 passenger side wiper blade size: 20
2014 Mack GU4 driver side wiper blade size: 20
2014 Mack GU4 passenger side wiper blade size: 20
2013 Mack GU4 driver side wiper blade size: 20
2013 Mack GU4 passenger side wiper blade size: 20
2012 Mack GU4 driver side wiper blade size: 20
2012 Mack GU4 passenger side wiper blade size: 20
