The 603-5505 Coolant Expansion Tank is a heavy-duty pressurized reservoir designed for Mack and Volvo trucks from 2008 to 2024. Made of durable plastic with a matte finish, it includes a cap and sensor, and is designed for bolt-on mounting without the need for drilling or modifications. This expansion tank is tested for durability and leaks, ensuring reliable performance. It is manufactured in China and comes with OE/OEM part numbers 22564835, 21074555, 22061290, 20968795, and 21846997, making it a suitable replacement for various truck models.


Exact item is shown. New open box without original packaging. Includes the caps and sensors shown. Item dimensions 33 x 15 x 14 inches, 8 lbs. Made in China. No returns if installed. Please review our business policies in our store for information regarding returns, shipping and warranties.