ACDelco Water Neck and Thermostat Housing, GM OE, Aluminum, Natural, Buick, Cadillac, Chevy, GMC - 1581939

Upgrade your vehicle's cooling system with the ACDelco Thermostat & Housing, designed to ensure optimal engine temperature control for a smooth performance.

• Durable Construction: Made from high-quality aluminum, this component is built to withstand the rigors of engine operations.
• Pre-Installed Thermostat: Comes with a thermostat included, simplifying installation and ensuring precise temperature regulation.
• Gasket Sealing: Features a reliable gasket sealing style that prevents leaks, maintaining efficient coolant flow.
• Easy Installation: Mounting hardware is included, making it straightforward to replace your old unit without additional purchases.
• Versatile Fit: Designed for a range of GM vehicles, including Buick, Cadillac, Chevy, GMC, Pontiac, Saab, Saturn, and Suzuki.

With a water neck inlet size of 1.587 inches and outlet size of 1.112 inches, this thermostat housing is a perfect fit for your engine's cooling needs. Ensure your vehicle runs at its best with ACDelco's trusted quality.