The Engine Coolant Thermostat Seal by Fel-Pro, with part number 35692, is a high-quality replacement seal designed for engine cooling components in cars and trucks. Made in the United States, this product ensures durability and reliability in maintaining a secure seal to prevent leaks and ensure optimal engine performance. Perfect for DIY enthusiasts or professional mechanics looking to replace a faulty thermostat seal, Fel-Pro seals are known for their quality and long-lasting performance in automotive applications.