About this part
What it does. Timken Ball Bearing Timken 178-DG4380 cranks the engine over so it can start.
Symptoms that point to this part
- A single click when turning the key
- Intermittent no-start
- Whirring without the engine turning
Fitment. Catalogued as fitting 2021 Toyota 4runner, 2021 Lexus Gx460. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.