Ensure your Peterbilt or Kenworth's windshield washer system operates smoothly with this high-quality reservoir, complete with a cap and pump. Designed to fit specifically on the 320, 365, and 387 models, as well as the T680, it's a bolt-on attachment that promises easy installation. Crafted from durable plastic, this reservoir is a reliable replacement or upgrade, preventing leaks and ensuring longevity. The product, with part number ?603-5402AA, adheres to the original equipment manufacturer's (OEM) specifications, namely the OE/OEM Part Number N5355001. It's important to note that this reservoir is not a vintage part, is not a universal fitment, and does not carry any performance part designation. However, it does come with a warning that it may expose users to chemicals known to the State of California to cause cancer and reproductive harm. Exact item is shown. New open box, may include partial packaging. Includes pump and cap shown. Item weight 1.3 lbs. Made in China. No returns if installed. Please review our business policies in our store for information regarding returns, shipping and warranties.