CPS Vacuum Pump Replacement Cap Kit, (2) 1/4″, (1) 1/2″ ACME & (1) 3/8″ w/O-ring
CPS PRODUCTS Part# VPXPC Replacement VP4 & VP6 Oil Cap Kit 4 Caps Total (2) 1/4″ Caps with retaining strap (1) 1/2″ ACME R134-a cap with retaining strap (1) 3/8″ Cap For the CPS Vacuum Pump Models, VP4 and VP6.