Windshield Wiper Electric Motor Slide Washer Adapter is a low-cost item that should be replaced regularly. Since these under-the-hood connections are plastic, they are prone to heat deterioration and discoloration. Don’t let them break unexpectedly. #211B is a plastic widshield washer adapter to be used with #211A. #211B will work on any 1955-1956 Chevy model with the windshield washer option.