The Genie 27089A.S is a genuine OEM thrust washer for the drive shaft in select Genie residential garage door opener powerheads. Positioned as part #22 in the parts diagram, the thrust washer absorbs axial loads along the drive shaft to prevent premature wear of the gearbox components. It is part of the 4-piece drive shaft sub-assembly alongside the drive shaft bushing (GE-33223A.S), the drive shaft (GE-27098A03.S), and the retaining ring (GE-24311B17.S). The alternate SKU listing 28-27089A.S refers to the same part. Verify compatibility using your opener model number before ordering.
A: The thrust washer absorbs axial (end-thrust) loads on the drive shaft, preventing metal-to-metal contact between the shaft shoulder and the housing, which reduces wear and noise.
A: It is listed as position number 22 in the Genie parts diagram for the IC/PMX drive shaft assembly.
A: Signs include increased noise during operation, excessive axial play in the drive shaft, or visible wear or deformation of the washer.
A: The 4-piece drive shaft sub-assembly consists of GE-33223A.S (bushing), GE-27089A.S (thrust washer), GE-27098A03.S (drive shaft), and GE-24311B17.S (retaining ring).
A: 28-27089A.S is an alternate catalog or SKU number for the same OEM part GE-27089A.S.
