SKU: CW27976
UPC: 611679310354
MPN: FAPAR4502
The Furuno Rudder Reference Unit for Outboards (FAPAR4502) is a precision autopilot accessory designed for the NavPilot 500/OB and NavPilot 511/OB series autopilots. This rudder sensor unit enables accurate steering feedback to the autopilot system, allowing your vessel to maintain course automatically with the responsiveness required in variable sea conditions. Built to Furuno's marine-grade standards, the FAPAR4502 provides the feedback loop essential for modern vessel automation.
This rudder reference unit features an 8-inch maximum cylinder stroke, matching the hydraulic or mechanical steering systems found on most outboard-powered vessels. The sensor reads rudder position in real time and communicates that data back to the NavPilot autopilot, which adjusts steering commands to compensate for drift, wind, and sea state. The integration between rudder feedback and autopilot control is what separates responsive steering from sluggish or erratic performance—especially critical when fishing offshore or running extended distances.
Owners of outboard-powered fishing boats and cruisers who have installed NavPilot 500/OB or 511/OB autopilots depend on the FAPAR4502 to close the control loop. Without accurate rudder reference, the autopilot cannot fine-tune steering corrections, resulting in course deviations that waste fuel and time. Weekend anglers making runs to offshore structure and commercial operators running long transits both benefit from the stability and precision this unit delivers. Installation requires proper integration with your existing Furuno autopilot system—consult your NavPilot manual or a qualified marine electronics technician for placement and calibration.
The FAPAR4502 is compatible exclusively with NavPilot 500/OB and NavPilot 511/OB series units. Verify your autopilot model before ordering to ensure compatibility. Furuno rudder reference units are engineered for saltwater environments and built to withstand the corrosion and mechanical stress inherent to marine duty.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.