The water pump face is cardboard.

Water pump gasket, specially designed for LS and LT engines from Chevrolet and GMC, provides excellent sealing between the water pump and the engine block to prevent coolant leaks and maintain cooling system efficiency. Made from high-quality processed cardboard materials that withstand high temperatures and pressure inside the cooling system, making it a suitable choice when replacing the water pump or performing routine engine maintenance. Features: high-quality manufacturing to ensure sealing and prevent leaks. Resistant to high temperatures and cooling fluids. Matches original measurements. Helps maintain cooling system efficiency. Suitable for routine maintenance and pump replacement. Durable material offers a good service life. Easy to install and replace. Usage instructions: Remove the old water pump and clean the mounting surface thoroughly. Ensure all remnants of the old gasket are completely removed. Place the new gasket in its correct position. Reinstall the water pump according to the manufacturer's recommended torque. Fill the cooling system with the appropriate coolant and ensure there are no leaks. Package contents: cardboard water pump gasket. Specifications: Part type: water pump gasket Material: heat and fluid resistant processed cardboard Usage: prevent coolant leaks Compatibility: Chevrolet and GMC with LS and LT engines Condition: new. Notes: It is recommended to verify the compatibility of the part with the car model and engine before purchase, and it is preferable to replace the gasket when removing or replacing the water pump to ensure optimal performance and prevent future leaks.