G.R.P. (polyester) stern tube suitable for a water lubricated propeller shaft assembly The shaft tube which is provided with a cutless bearing must be bonded directly into the hull.
A propeller nut with integrated zinc anode comes as standard with the propeller shaft (option).
There are two possibilities for water lubrication of the shaft assembly:
1. By means of a water scoop G 1/2 with ball valve hose pillar 1 metre of water hose and hose clamps (optional kit: WCAPS).

2. By tapping a small amount of water from the main engine’s raw water cooling circuit.

For the second option we offer the ZWBKIT. With this kit you have all you need to water lubricate your shaft assembly by using water from the main engine’s raw water cooling circuitThe kit consists of a T-piece(18-10-18mm) 3 meters of Ø 10 mm hose (DWHOSE10A) and 4 hose clamps.