

This is the one which on the Pulley Side. #B012800, B012-800.
Fits
Carpet Pro CPU1T
Carpet Pro CPU2T
Fuller Brush CPU1T
Carpet Pro CPU1 (Serial # before 9C004411)
Carpet Pro CPU1
Carpet Pro CPU2 (Serial # before 9C007576)
Fuller Brush FBP-HD1T
Fuller Brush FBP-HD2T
Use B012-0700 for the other side.
Fits
Carpet Pro CPU1T
Carpet Pro CPU2T
Fuller Brush CPU1T
Carpet Pro CPU1 (Serial # before 9C004411)
Carpet Pro CPU1
Carpet Pro CPU2 (Serial # before 9C007576)
Fuller Brush FBP-HD1T
Fuller Brush FBP-HD2T
Use B012-0700 for the other side.