Every motor was designed and assembled with the proper lubricant coating to guarantee a long working and to eliminate noise when in use. Every TechSmart(R) Windshield Wiper Motor is a direct fit replacement part that exactly matches the failed unit on the vehicle. Every TechSmart(R) Windshield Wiper Motor has gone through an extensive testing program to ensure performance under extreme weather. All TechSmart(R) parts are guaranteed to meet or exceed OE performance, providing today's technician with the quality parts needed to get the job done right, the first time.