Stern Thruster Kits

Cowls for Ø140mm for external thruster models SX35/50

set of 2 pcs, GRP

Item code: COWL-SX35/50

Adjustable cowls that direct the water flow to be less disturbed, obtain a higher efficiency level, and allow a shallow installation closer to the waterline. Compatible with thruster models:

  • SX35/SX35 PRO
  • SX50/SX50 PRO


Other items to consider when purchasing a new thruster:

  • Control Panels and Remote Controls
  • AutoMainswitch, Battery Disconnect, Fuse & Fuseholder
  • 4-Wire Harnesses (when not using AutoMainswitch)
  • 5-Wire Harnesses (for use with AutoMainswitch)
  • For use between Outboards, Stern Drives, or other shallow applications like Ski Boats, consider adding the Cowls SM130773, or Grates SM130789.
  • For Isolation on Aluminum/Steel hulls or for spacing, consider an Isolation Block,  SM148170 50mm or SM148171 10mm.


  • Simple external installation with no GRP work necessary.
  • Compact unit, energy efficient and long run times
  • Requires only small holes in the boat’s transom for power/control cables and mounting.
  • Serviceable when boat is lifted (refitted with new O-ring seal).
  • Available in PRO version with variable speed control


Weight 25 lbs
Dimensions 26 × 23 × 8 in


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