17931-ZVD-000 Throttle Arm A - Overview. The 17931-ZVD-000 Throttle Arm A is a crucial component in Honda marine engine systems. It supports the throttle linkage system, playing an essential role in controlling engine speed and ensuring smooth operation. Designed to meet factory specifications, this throttle arm ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precisely engineered throttle arm that matches factory specs for Honda marine engines.. OEM genuine component, ensuring quality, fit, and reliable performance.. Supports throttle system operation by connecting to throttle linkage for accurate engine speed control.. Designed for durability and long-lasting use under marine conditions.. Integrates cleanly with existing hardware, seals, and housings without modifications.. Maintains expected performance and feel during throttle operation thanks to OEM-style design.. Why Choose Genuine OEM. Using original Honda parts lik