That's fitted to the back of the pump to my knowledge, a rubber cushion that the back end of the arm hits.Peter.N. wrote:If these pumps work on the same principle of the old DPA pumps the damper is an anti stall device, it stops the throttle closing to quickly and momentarily shutting off the fuel which makes it stall of course.
Peter
The one on the front compresses when you put your foot down.