Sundial bearing carrier retainer socket for Subaru WRX STI
Sundial bearing carrier retainer socket for Subaru WRX STI
SKU:297464739991
Low stock: 10 left
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- Product type
- Differential Retainer Tools
Sundial retainer socket for front differential service
This 8-pin socket turns compatible Subaru front differential bearing carrier retainers, often called sundials, during removal and installation for axle seal work. Its 1/2 inch square drive accepts a ratchet or breaker bar.
Tool details
- Drive
- 1/2 inch square
- Retainer engagement
- 8-pin
- Material
- Steel
- Finish
- Black oxide
- Retainer references
- 38342AA130, 38342AA020, 38342AA150, 38342AA030
- Service tool references
- 18630AA010, 499787000, 18658AA020
Match the retainer and transmission
For WRX or STI service, check the vehicle year, transmission code and retainer part number before ordering. The service tool references identify the intended application; this is an aftermarket tool. Match the retainer's slots to the socket's pin pattern and confirm clearance around the carrier.
Subaru's 2008 5-speed manual transmission procedure uses 18630AA010 for the front differential side retainers. On the 2008 STI 6-speed, that tool serves the right side; the left side calls for 18630AA000. A procedure calling for 18630AA000 needs the corresponding left-side tool.
Retainer adjustment
Turning a side retainer changes the differential adjustment. Follow the workshop procedure for the actual transmission when recording retainer positions and turns, restoring the lock plates, and checking backlash and bearing preload. The socket turns the retainer; it does not measure those settings.









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