Makerbot Replicator 2X Extruder Upgrade Kit - PU Cast (Bearing Replacement) [T04M]

This is an upgrade kit for the Delrin Plunger. It can be used for many RepRap based 3D printers with dual extrusion setup including Makerbot Replicator 2X If you are experiencing print failures every time you use a new filament, that is because of the existing plunger on your extruder that cannot adapt to the diameter tolerance of the cheaper filaments. I have had issues even with some of the Makerbot filaments, but this upgrade will solve this issue. You are buying a Makerbot Delrin Plunger replacement kit/Extruder Upgrade kit as shown in the first image. This is a picture of the actual item you will get (it does not include the stepper motor/drive gear). This kit includes everything needed to replace the delrin plungers on your Makerbot Replicator 2X with a spring-loaded ball bearing assembly. This product is assembled and is a revised version of what Makerbot introduce in several aspects: Printed with Makerbot. each unit has been tested separately. One-piece arm with a stainless steel ball bearing shaft and ball bearing, so no worries about wear of the bearing holder after few hours. An aluminum bushing has been replaced with the 3d printed plastic pivot in the existing products for a maximum durability. Material PU 80 shore D. This kit includes: 1 X Back Plates (base), 2 X Swing Arm (mirror) 2 X 14mm flat-top hex screw - to mount the ball bearing inside the swing arm for the pivot joint of the swing arm 2 X 22mm socket hex screw - for the pivot joint of the swing arm 2 X 14mm aluminum bushing - for securing the base 2 X 22mm flat-top hex screw to mount the back plate to your stepper motor (Top Right and left holes on the base) 2 X New Stainless Steel Ball Bearings 2 X New Compression Springs