If those new wiper blades aren't properly clearing the windshield of your Kenworth, it could be a problem with the windshield wiper arm. Replace it with Dorman's quality constructed and "try on" tested windshield wiper arm. Value priced and built to last. .  

• Includes wiper arm, spray nozzle and blade
• 27.5-Inches Length
• Durable enamel paint resists fading and peeling
• Bolt on, plastic and steel construction for easy installation and performance
• Spine and lock attachment method
• Limited Lifetime Warranty