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ST4000 to ST4000+ MKII upgrade kit (MKII drive unit)
Spare ring for the Raymarine ST4000 MKII autopilot drive unit.
This accessory is designed to replace the ring on the drive unit in ST4000 MKII autopilot systems, providing correct and secure fastening of the internal components of the mechanism. Its use allows the mechanical functionality of the assembly to be restored when the original ring shows wear or damage, avoiding the need to replace the entire unit.
Compatible with the ST4000 MKII series, it integrates easily into the existing system, simplifying maintenance and ensuring that the drive unit continues to operate with the expected reliability.
Autopilot wheel-drive system for wheel-steered sailboats
Autopilot Mk II Wheel Drive and Installation Kit
• For 12-Volt DC Systems
• Works with ACU-100






