The Volvo Leak Defender is a practical and effective 3-piece fuel tank adapter system designed to stop fuel cap leaks. Made in the USA, it includes a collar, fuel cap, and sealing insert, all sold separately. This product fits most Volvo makes and models, providing a reliable solution to prevent fuel leaks and maintain the integrity of your vehicle's fuel system. With its durable construction and easy installation, the Volvo Leak Defender offers peace of mind and long-term protection for your vehicle.