This high-quality throttle dial switch assembly is designed for seamless compatibility with multiple excavator models including E312B, E320B, E320C, E320D, E320D2, E312V2, and E312 E320. The part numbers 106-0107, 163-6710, and 319-4420 ensure precise fitment for your equipment. This durable throttle control component features robust construction with a sturdy metal housing and reliable electrical connections. The switch assembly provides smooth operation and precise control over engine speed, essential for optimal machine performance and fuel efficiency. The integrated design includes necessary mounting hardware and connector plugs for straightforward installation. Perfect for maintenance repairs or replacements, this throttle dial switch maintains the responsiveness and functionality of your heavy equipment's engine control system.