Back Home / Wire Management / Spacers & Rubber Caps / AUVECO VACUUM CAP 3/16,25 CT AUVECO VACUUM CAP 3/16,25 CT SKU: XA4440 Categories: Spacers & Rubber Caps, Wire Management Special heat resistant EPDM rubber caps. Can be used for capping lines and hoses while testing carburetors, emission control systems, vacuum lines, etc. Fits tube O.D. – 3/16″ Inside Length – 9/16″ Case Quantity: 1 Log In For Pricing