Attwood 90 Degree Thru Hull Fitting - Stainless

Attwood 90 Degree Thru Hull Fitting - Stainless


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Manufacturer Attwood - view brand page
Manufacturer Part # 66577/66579
Item # 36002


Complete your ballast system installation with this OEM matching stainless steel thru-hull fitting for tight installs.


Our stainless steel thru hull fittings are the perfect finishing touch to your automated ballast system installation. If your boat has stainless steel hardware and accents from the factory and you need the convince of a 90 degree fitting due to tight hose routing, this is the thru-hull you want. Since this is the exact same part that many of the major manufacturers in the industry, including Centurion, Malibu, Mastercraft, Moomba, Sanger, Supra and Tige install on boats from the factory, your ballast system will look like it came with the boat (please confirm dimensions provided below prior to ordering).

If your boat doesn't have stainless steel thru-hull fittings for you existing ballast system or bilge pump, this is a great choice to upgrade the exterior of your boat and get that stainless look.

Suitable for use as a drain or vent fitting for above the waterline use, the extended length barb has plenty of surface area to create a leak-proof connection to standard 3/4" and 1-1/8" ballast hose.

Size A Flange O.D. B Neck Length C Holesaw Size
Thru-hull Intake Fitting Dimensions 3/4" 1-7/8" 3-3/8" 1-1/4" buy now »
1-1/8" 1-7/8" 4-3/8" 1-5/16" buy now »

Perfect for finishing your integrated ballast system, or for upgrading your boat by replacing the factory provided black or white thru-hull connectors.

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  • 9/9/2014
    90 degree through hull

    Best price I could find, and shipping was very fast. Fits perfectly, and looks good.

  • 1/20/2013
    Stainless thru hull

    I ordered three and was suprised to see they were made by attwood. I looked at several places selling the same fittings and wakemakers was the best priced. They don't fit into the same hole as a plastic fitting without a little work to the hull. They have a small ring behind the face that requires some beveling of the hole to fit flat. Not a problem as I was prepared to do a little modification. Overall I am very pleased with the quality and finish. I replaced plastic fittings so the look of boat has improved significantly.