A thermostat is an important small part of a vehicle that helps control an engine’s temperature range. It allows the engine to warm up properly by blocking the coolant until the engine is ready. Gas caps are other vital parts that keep fuel safely stored, and our locking gas cap units stay closed until you signal the unlocking application. We also have safe release radiator caps that provide excellent security to vehicles’ systems. Before performing your next routine vehicle maintenance, be sure to check out our additional transmission parts, engine components, and automotive tool parts.