Amazon.com: 6 Sets 1/4″ Agricultural ISO 5675 JD Sub Compact Tractor Hydraulic Coupler Male Dust Cap And Female Plug Cover Set(2Sets-Red,2Sets-Blue,2Sets-Black) : Industrial & Scientific
3/8" AG Pioneer Style Dust Caps, Hydraulic Quick Disconnects Coupler Dust Caps ,Fit ISO 7241A/5675 Couplings - Walmart.com
Dust Caps - Hydraulic Couplings - Hydraulics
Pioneer Dust Cap for 1/2 in. ISO Tip, Standard Black at Tractor Supply Co.
Amazon.com: 1/2 ISO A Tractor Hydraulic Hose Caps and Plugs Couplers Male Dust Cap and Female Plug Cover, Quick Disconnects Port Plug Fittings with Retention Ring Keeps Cap Attached to Hose (BLACK)