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SM501180A Side-Power Aluminum Anode

$45.84

SM501180A Side-Power (Sleipner)
Aluminum Anode

Diameter:  2.8"
Height:  2.0"
Weight:  0.93 lbs

For thrusters with 386mm tunnel diameter.
Fits models SH420, SH550, SP550HYD, SAC386.
Mounting screw included. 6mm hex wrench required for installation.
Two (2) anodes required.

SM501180A Side-Power (Sleipner) Aluminum Anode

In June 2021 it was announced that the name "Side-Power" will be retired and rebranded as "Sleipner" [Slipe-ner]. Sleipner Motor AS is the Norwegian company that designs and manufacturers these thrusters for worldwide use. Click here to learn more: https://www.boatzincs.com/Side-Power_Rebranding_to_Sleipner.pdf.

Starting June 2010, Imtra is fitting Side-Power (Sleipner) thrusters with Mil-Spec Aluminum anodes to provide improved corrosion protection. Compared to zinc anodes, aluminum anodes provide superior protection in brackish and freshwater, while still providing excellent protection in salt water. For more information on Imtra’s conversion to aluminum anodes, go to https://www.boatzincs.com/imtra.pdf.

Q: I was under the impression that one was not to mix aluminum and zinc anodes on a boat. If aluminum is only available for my Imtra thruster should I switch the others to aluminum?

A: Side-Power (Sleipner) thrusters are engineered to have their underwater metals electrically isolated from the rest of the boat. This means that there is no electrical path available for the thruster (or its anodes) to interact with any other underwater metals (or anodes) either on or adjacent to your boat. You can, and should, continue to use zinc anodes elsewhere on your boat while upgrading your Side-Power (Sleipner) thruster to these new, technically superior aluminum anodes.

Part Number Variations: SM501180, SM501180A, SM501180AL, SM-501180, SM50-1180, 501180, SM-501180A, SM5-01180A, 501180A, 01053, 01053AL, 335602, 397961