The Freeze Plug (.891") from A & I Products is designed to prevent engine block damage due to freezing temperatures. Made from durable materials, this plug provides a secure seal, ensuring that coolant does not leak. Its precise dimensions allow for easy installation in various engine models, making it a versatile choice for maintenance. This product meets industry standards for quality and performance, making it an essential component for protecting your engine in cold weather conditions.This freeze plug by A & I PRODUCTS, vendor code 02100395, measures .891 inches in diameter and is designed to seal engine block openings. Made from corrosion-resistant metal, the plug protects engine blocks from coolant leaks and damage caused by freezing conditions. It fits specific engine block sizes and complies with OEM standards for freeze plug dimensions and material quality. The plug is suitable for use in agricultural and industrial engines requiring reliable sealing of block cavities to maintain cooling system integrity.