Enhance the functionality of your Freightliner Century Class Columbia with our coolant overflow reservoir tank. Designed specifically for your vehicle, the tank comes complete with a cap and boasts a durable plastic construction. Bolt-on mounting ensures a secure and straightforward installation, with no need for drilling or modifications. Our reservoir tank is manufactured in China and features a 100% leak-tested design for peace of mind. The part number 6035201 matches multiple OE/OEM numbers including 0523045001, 0523045000, and 0520529000, ensuring compatibility and reliability. Note that this product may have California Prop 65 warning for cancer and reproductive harm. Exact item is shown. New open box without original packaging. Item weight 4.75 lbs. Made in China. No returns if installed. Please review our business policies in our store for information regarding returns, shipping and warranties. Most items have 30-day returns along with free fast shipping in 1 business day (see details). Message us anytime. Buy from a trusted 16+ year seller!