26 We found a solution to our issue with these port plug fittings from Brakequip. The fitting on the left is designed to block off high-pressure fluid ports. Brakequip sells male and female versions in both metric and standard sizes. You can buy direct at www.brakequip.com or via phone at (865) 251-9193 with a $25 minimum order (these plugs are 99 cents each) or you can find you nearest dealer via the website or phone to purchase locally. Brakequip has hundreds of cool hose and fitting parts for projects like ours, so check them out.