The 1937-1948 Pontiac Aftermarket Water Pump by Adco Rebuilt is a vintage part designed to fit all Pontiac vehicles except for 1939-1940 6 cylinder models. This engine water pump features a bolt-on mounting style with a steel impeller and cast iron housing, ensuring durability and quality performance. With its belt-driven design and no drilling or modifications needed for installation, this water pump offers a convenient and cost-effective solution for maintaining your classic Pontiac vehicle. Made in the United States, this aftermarket water pump is a reliable choice for preserving the engine cooling system of your beloved car.