What does OEM mean? OEM simply refers to “Original Equipment Manufacturer” which means that OEM parts should work exactly as the one you are replacing so you get a greater assurance of quality.  VMS stocks OEM parts for; Acorn, American Standard, Bradley, Chicago, Delta, Kohler, Metcraft, Moen Willoughby, Zurn and others.
As a matter of fact, VMS carries OEM brand faucet and valve repair parts from more than 100 manufacturers. OEM parts ensure that you are repairing your faucet or equipment with the correct factory part for the most reliable performance and repair.