24343-ZW4-000 Seal Holder - Overview. The 24343-ZW4-000 Seal Holder is an essential component in Honda marine engine systems. This part functions primarily to hold and seal critical engine components, preventing leaks and ensuring smooth operation within the marine system. Designed specifically to fit Honda's Active Marine engines, it plays a vital role in maintaining the engine's reliability and efficiency. With precise factory specifications, the seal holder guarantees a perfect fit and durabi