Economical - 100% Compatible Autopilot Parts and RFU's
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Recommended by Raymarine Technical Support
Drive Belt Autohelm 4000 MK1 Wheel Pilot - D169
Toothed drive belt for the Autohelm 4000 Wheel Pilot - Black ring - MK1 model. This belt will NOT fit Autohelm / Raymarine MK2 ST4000 wheel pilots (Grey ring). The second picture above shows an Autohelm MK1 Black drive unit - compatible with this belt.
Belt specifications: Length=750mm, Width=9mm, Thickness=2.2mm, Teeth=150
This high quality belt will last for many years and has better grip/traction than the OEM belt. Raymarine part D169.