Just like the VW originals, these wiper arms don't come with splines already cut in the mounting holes. Once you bolt them down for the first time, the grooves in wiper pivots create grooves in the...

 This nut attaches the rear trailing arm in 1980-91 Vanagons. Fits both 2WD and Syncro. Four per van, sold individually. Ref ID: N10105507

Black Rear Wiper Bottle CoverRef ID: 21186312701C

This nut secures the front upper control arm by tensioning the long upper control arm pivot bolt through the bushings.  If you are replacing the bushings in your front suspension, we recommend...