- This 2X High Quality Engine Gasket is designed to replace GX610 GX620 GX670 18 20 24 HP, and is suitable for carburetor diaphragm gasket kit material assembly. It is the perfect choice for lawn mower parts, chainsaw accessories, and other small engine tools. The gasket is made of durable material, ensuring a good work condition and easy installation. It is a great replacement for old or damaged parts, and it is ideal for DIY carburetor assembly. This engine gasket is suitable for lawnmower enthusiasts and professionals, and it ensures smooth and efficient operation, making it a must-have for carburetor maintenance and repair.