These plastic bearing bushes are in the rods that connect the left and right wiper shaft to the motor. As these wear out, there can be too much play on the mechanism and the wipers will not move back and forth nicely evenly.
Sold in sets of 4, enough for 1 mechanism.
Our products are intended for use only in accordance with the specified instructions. Installation should only be carried out by qualified personnel. Products may be supplied without installation instructions.