Rotary Vane Replacement:Both Front and back stagea(2 pairs with springs),

Vanes with the springs in between, for VPD12a, VPD10, VPD8, VPD5, VPD6 VPDS6, VPD3 of our models and these will fit some of the other brand name pumps. This is the major replacement part to rebuilt a vacuum pump. MAKE SURE to email John about your model before shipping. the size vary with the model of the pump. so we need to be sure it will fit right to your pump. email John at zohnm at sign yahoo dot com, provide your pump model and maker, please.