Raymarine Rotary Rudder Reference Transducer Raymarine Rotary Rudder Reference Transducer Raymarine Replacement Rudder Reference Transducer compatible with Raymarine and Autohelm autopilot systems. SKURAXM81105 MAN#M81105 ID#: 3339 Our Price: $264.95 Availability: In Stock Shipping: FREE Ground Shipping! Condition: Brand New Add to cart We’re sorry for the inconvenience, but please know we are working hard to replenish stock and fill backorders. Global shipping constraints and other material shortages have slowed the supply of products in many industries, including GPS and Marine electronics. We update the Estimated Shipping Date on our website in real time, so feel free to check back frequently. Thank You for your patience and for shopping with The GPS Store, Inc.