DormaKaba L1000 Series Clutch Assembly – Left Hand (Part 201789-000-01)
The DormaKaba 201789-000-01 is a genuine Left Hand Clutch Assembly for the L1000 Series lever-style access control lock — one of the most widely installed standalone electronic locks in commercial facilities. This clutch assembly is a direct OEM replacement part engineered specifically for the lever version of the Unican platform, which has served institutional, commercial, and multi-family applications for over 30 years.
Over its long production history, this product line has been marketed under several brand names: Simplex, Simplex Unican, Kaba, and now DormaKaba. In the field, contractors and facility managers sometimes refer to this style of lock as a cypher lock or combination lock. Regardless of the era your existing hardware was installed, the part number 201789-000-01 is the correct left-hand clutch assembly for the L1000 lever series.
Handing — Does This Part Fit Your Door?
Clutch assemblies are handed — the correct hand must match your door's swing direction. The Left Hand (LH) clutch assembly is compatible with both:
- Left Hand (LH) Swing — door hinged on the left, swings away from you when pushed from the pull side
- Left Hand Reverse (LHR) Swing — door hinged on the left, swings toward you when pulled from the push side
If your door is right-hand swing, a right-hand clutch assembly is required instead. Verify door handing before ordering to ensure a correct fit.
Key Benefits
- OEM-grade replacement — genuine DormaKaba part for the L1000 lever series; restores original clutch function without replacing the full lock body
- Broad brand compatibility — fits L1000 lever locks manufactured under the Simplex, Simplex Unican, Kaba, and DormaKaba names
- Reduces downtime — component-level repair keeps the existing lock in service rather than requiring a full unit replacement
- Precise handing — engineered for LH and LHR swing doors; ensures correct mechanical engagement of the lever clutch mechanism
Typical Applications
- Replacement maintenance in schools, universities, and government facilities with existing L1000 lever installations
- Hospitals, healthcare campuses, and institutional buildings maintaining large Unican/Kaba/DormaKaba lock populations
- Multi-family residential and mixed-use commercial properties with long-term Simplex Unican deployments
- Facilities management departments performing in-house lock servicing to extend hardware lifecycle
Technical Details
| Feature | Details |
|---|---|
| Part Number | 201789-000-01 |
| Manufacturer | DormaKaba (formerly Kaba, Simplex Unican, Simplex) |
| Product Series | L1000 Series |
| Component Type | Clutch Assembly |
| Lock Style Compatibility | Lever version (L1000 lever series) |
| Handing | Left Hand (LH) — fits LH Swing and LHR Swing doors |
| Category | Lock Parts / Replacement Components |
Need a comparable alternative or a quote on preferred-brand standalone access hardware with more stable long-term parts availability? Contact DoorwaysPlus for assistance sourcing compatible solutions from lines such as Sargent, Corbin Russwin, or Hager.

| Brand | DormaKaba |
| Series | DormaKaba - L1000 Series |
| Door Hand | LH - Left Hand, LHR - Left Hand Reverse |
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