Lewmar 185TT fiberglass tunnel tubes serve as precision-engineered housings for Lewmar TT185 bow thrusters, featuring 185mm diameter with 6mm wall thickness to ensure optimal propeller performance and minimal vibration. Made from high-strength fiberglass, these corrosion-resistant tubes provide reliable containment for marine thruster installations across various hull configurations. Offered in three lengths from 1000mm to 2000mm, they accommodate different vessel sizes and can be field-trimmed for perfect fitment.
Key Features
OEM-spec fiberglass tunnel tubes designed specifically for Lewmar TT185 thrusters
185mm inner diameter x 6mm wall thickness for precise thruster alignment
Superior corrosion resistance ideal for saltwater environments
Field-trimmable lengths to match installation requirements
Smooth interior surface minimizes turbulence and noise
Comparison Table
Model
Description
Length (mm)
Material
Compatible Thruster
589301
Tube F/185TT 185x6x1000
1000
Fiberglass
Lewmar TT185
589302
Tube F/185TT 185x6x1500
1500
Fiberglass
Lewmar TT185
589303
Tube F/185TT 185x6x2000
2000
Fiberglass
Lewmar TT185
What’s in the Box
One Lewmar 185TT fiberglass tunnel tube (model/length as ordered)