Plug cap for open ports on the back of MyChron gauges.
Fits MC 4 and MC 5 gauges.
Cap and rubber seal help keep dirt and water out of the gauge.
                    Fits MC 4 and MC 5 gauges.
Cap and rubber seal help keep dirt and water out of the gauge.
 
            
 
                
 
                             
                             
                             
                            