This oil change kit is specifically designed for ZF550 and ZF665 marine transmissions. It contains all the necessary components to perform a complete oil and filter change, ensuring optimal performance and longevity of your transmission. Commonly used in a variety of recreational and commercial marine applications. Keep your ZF transmission running smoothly with this complete oil change kit! Provides everything needed for hassle-free maintenance and protection, extending the life of your valuable drivetrain. ZF is a global technology company known for its commitment to innovation and reliability in marine propulsion systems. With a legacy of over 150 years, ZF delivers high-quality, durable components engineered for peak performance. Choosing ZF means investing in peace of mind and maximizing the lifespan of your marine assets. ZF parts are trusted by boaters and professionals worldwide.