2004–2021 Subaru Wrx Sti Oil Change
Exact oil type, capacity, filter part numbers, drain plug size and torque for the 2004–2021 Subaru Wrx Sti with the EJ257 engine, plus the tools you'll need and a step-by-step video.
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Subaru 2.5L Turbo — WRX STI
2004–2021 Wrx Sti · 2004–2021 Sti
Some Experience Helpful
✅ The STI EJ257 is a high performance engine — use quality full synthetic only. Many STI owners change oil more frequently than the standard interval. Don't skip the crush washer.
Specs not yet verified. We're still checking this guide's oil type, capacity, part numbers and torque against the manufacturer's data. Confirm them in your owner's manual before you start.
Oil Type
5W-30 Full Synthetic
Capacity
5.4 quarts (with filter)
Oil Filter
Subaru #15208AA100 | Fram PH7317
Engine Code
EJ257
Tools You'll Need
- 14mm drain plug socket or wrench
- Oil filter wrench (standard spin-on type)
- Oil drain pan — minimum 2 gallon capacity
- Torque wrench
- New crush washer (Subaru #803916040)
- Funnel
- Rags or shop towels
Instructional Video
Video by YouTube — Watch on YouTube ↗
| Drain plug size | 14mm | Torque: 33 ft-lbs |
| Crush washer | Subaru #803916040 |
| Filter type | Spin-on — standard filter wrench |
| Filter location | Driver side of engine |
| Oil change interval | 5,000–10,000 miles (full synthetic) or per OEM monitor |
| Oil life reset | No oil life monitor — use mileage interval. Many STI owners change every 3,000–5,000 miles. |
🛢️ Oil Pal tip: At 5.4 quarts Oil Pal handles this drain comfortably.
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