Tesla Model 3 & Model Y Power Seat Adjustment Switch & Button Caps
Replace a damaged seat-control button cap or a faulty seat adjustment switch with the correctly matched component for your Tesla Model 3 or Model Y. Button caps and electrical switch assemblies are separate purchase options, allowing you to select the part your repair actually requires.
Button cap or complete switch assembly?
The small seat-position, backrest and round lumbar caps are cosmetic operating pieces. The switch assembly is the larger electrical unit behind them. A broken cap does not automatically mean the electrical switch is defective, and replacing a cap will not repair an internal electrical fault.

Match the year group and side
Compare the original cap outline, mounting stem and electrical connector before selecting a version. The supplier separates older Model 3 parts from its 2021-2025 Model 3 / Y pattern. The white-background main image shows the newer left-side switch assembly.

Restore the correct seat controls
Each option is one named cap or one switch assembly, rather than the complete collection shown in the overview photos. Confirm seat-position, backrest and lumbar operation after fitting. Trim removal and electrical diagnosis should follow the vehicle service procedure.

Specifications
| Brand / supplier | Aileen |
|---|---|
| Material | Molded plastic button caps; electrical switch assembly on assembly options |
| Compatibility | Separate source options cover Model 3 2017-2020 switch assemblies, 2019-2020 button caps and Model 3 / Y 2021-2025 parts. Match side, switch body, connector and button shape. Left/right are viewed from inside the vehicle facing forward. |
| Package quantity | One selected button cap or one selected switch assembly; not a full set of all pictured components. |
| Options | Model 3 / Y 2021-2025 - Left switch assembly; Model 3 2019-2020 - Left seat position button cap; Model 3 2019-2020 - Left backrest button cap; Model 3 2019-2020 - Right seat position button cap; Model 3 2019-2020 - Right backrest button cap; Model 3 2019-2020 - Lumbar round button cap; Model 3 / Y 2021-2025 - Left seat position button cap; Model 3 / Y 2021-2025 - Left backrest button cap; Model 3 / Y 2021-2025 - Right seat position button cap; Model 3 / Y 2021-2025 - Right backrest button cap; Model 3 / Y 2021-2025 - Lumbar round button cap; Model 3 2017-2020 - Left switch assembly; Model 3 2017-2020 - Right switch assembly; Model 3 / Y 2021-2025 - Right switch assembly |
| Product photographs | Photos identify component types and may show an assortment. Some variants share a reference image; the selected option determines the supplied side, generation, finish and quantity. Match the original part before ordering. |
OE Part Number Reference
The following catalogue numbers are comparison references for the component types described. They have not been verified against the supplier label of every SKU. They are not a declaration of the exact part number supplied or a guarantee that all revisions interchange.
| Older left seat-position cap | 1098840-00-D |
|---|---|
| Older left recliner cap | 1098841-00-E |
| Older right seat-position cap | 1098842-00-D |
| Older right recliner cap | 1098843-00-E |
| Later left seat-position cap | 1551844-01-A |
| Later left recliner cap | 1551845-01-A |
| Later right seat-position cap | 1551846-01-A |
| Later right recliner cap | 1551847-01-A |
| Older left / right electrical assemblies | 1098529-00-F / 1098530-00-F |
| Later left electrical assembly, lumbar pattern | 1551854-01-A |
| Later right electrical assembly, lumbar pattern | 1551855-01-A |
| Round lumbar caps; later no-lumbar or refreshed assemblies | Exact reference not confirmed. Do not apply an assembly number to a loose cap or assume lumbar/no-lumbar interchangeability. |
Match the complete number, revision suffix, connector, side and vehicle configuration. OE numbers are used for identification and do not establish genuine Tesla manufacture. Our XA-prefixed SKU is the Xauto stock code, not a Tesla part number.
