The Kenworth And Peterbilt 2000 Through 2019 Heavy Duty Windshield Washer Fluid Reservoir is a reliable and practical solution for your heavy-duty truck. Made with durable plastic construction material, this direct replacement reservoir ensures a trouble-free installation. It comes as a complete assembly, including the reservoir and reservoir cap, guaranteeing reliable performance even in extreme conditions. Designed to fit most Kenworth and Peterbilt 2000-2019 models, such as 335, 367, 384, 385, 386, 387, 388, 389, T680, and T880, this washer fluid reservoir is a direct OE replacement, with the OE number Paccar N5355001.