This high-quality engine coolant thermostat seal by Fel-Pro is a must-have for any car or truck owner. It is specifically designed to fit perfectly and provide a reliable seal for your engine cooling system. The manufacturer part number for this seal is 35773. Made by Fel-Pro, a trusted brand in the automotive industry, this seal is perfect for those looking for a replacement or upgraded seal for their engine cooling system. It is compatible with a variety of car and truck models and is sure to provide a long-lasting and reliable seal. Buy now and ensure your engine stays cool and runs smoothly.