9723 Water Outlet Caps. Seal your Rotax water hose openings with these inexpensive rubber caps. Prevent debris from accidentally entering ports and creating damage or mischief. Ideal for sealing any Rotax radiator hose opening preventing moisture from corroding internal engine parts. Also can be used to seal ports for leak testing, an important procedure that locates leaks before they cause costly engine damage. Snug fit over 1” diameter ports provides positive seal for either vacuum or pressure testing. |
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