The LiftMaster K10-3515 retainer guide is a replacement guide component used on select SL580 and SL590 commercial slide gate operators. Retainer and guide parts help keep the related mechanical assembly positioned correctly as the operator cycles. When this type of part is worn, cracked, missing, or incorrectly installed, the associated mechanism may shift, bind, rattle, or wear unevenly. Because the retainer guide works with surrounding hardware, it is important to inspect the neighboring brackets, fasteners, and contact surfaces before replacing only the guide. This is a mechanical guide component, not a limit switch, chain, idler, circuit board, or sensor. Fitment should be confirmed from the SL580 or SL590 parts diagram because slide gate operator parts with similar names can differ by size, mounting hole location, and operator series.
| Manufacturer | LiftMaster / Chamberlain Group |
|---|---|
| Product Type | Retainer guide replacement part |
| Part Number | K10-3515 |
| Application | Retaining/guide component for select commercial slide gate operator assemblies |
| Compatible Operator Type | Gate operator replacement part |
| Notes | The strongest compatibility references are SL580 and SL590. Verify by diagram before using on any other LiftMaster slide gate operator. |
The strongest compatibility references are SL580 and SL590. Verify by diagram before using on any other LiftMaster slide gate operator.
Gate operators can contain moving mechanical parts, stored force, battery circuits, and high-voltage wiring depending on the model. Do not bypass safety devices or operate the gate with exposed, loose, or damaged components. If the operator has unsafe movement, burned wiring, power problems, or missing safety protection, have the system inspected by a qualified gate technician.
It helps keep the related mechanical assembly aligned and retained during operator movement.
K10-3515 is commonly listed for LiftMaster SL580 and SL590 commercial slide gate operators.
No. It is a mechanical retainer/guide component.
Yes. Bent brackets, loose fasteners, or worn contact points can shorten the life of the replacement part.
No. Use the operator parts diagram and part number because similar guides may not interchange.