FREE SHIPPING
Free shipping on every order — no minimum purchase required.DESCRIPTION
Subaru STI Rear Oxygen Sensor (Post-Cat) for 2008–2021 models. This genuine OEM oxygen sensor monitors exhaust gases after the catalytic converter to optimize fuel mixture and emissions control.
- Fits Subaru STI 2008–2021
- Post-catalytic converter location
- 43k miles on original unit
- Genuine OEM part
Replacing a worn O2 sensor restores fuel economy and helps pass emissions tests while preventing check engine lights.
SHIPPING & RETURNS
SHIPPING
- Free Shipping on all orders — no minimum purchase required.
- Orders are dispatched within 24 hours of purchase (business days).
- Estimated delivery: 2–5 business days within the contiguous United States.
- Tracking information emailed as soon as your order ships.
RETURNS
- Returns accepted — we want you to be completely satisfied.
- If a part does not fit or is not as described, contact us within 7 days for a return.
- Items must be in original, unused condition and in original packaging.
- Contact us at sales@findmypart.shop or call (803) 723-7074 to initiate a return.
WARRANTY
- 1-Year extended warranty available at additional cost — ask us for details.
- All parts sold are covered by our own 1 year warranty.
FITMENT & COMPATIBILITY
Please verify that this part is compatible with your vehicle's year, make, model, and trim level before ordering. Part numbers and fitment details are listed in the product description. If you have any questions about compatibility, our team is happy to help — contact us by phone or email before purchasing.
Phone: (803) 723-7074
Email: sales@findmypart.shop
Hours: Mon–Fri, 9am–5pm EST
Recently Viewed Parts
Why Shop with Find My Part?
- SHIPS IN 24 HOURSOrders dispatched within one business day, delivered in 2–5 business days.
- EASY RETURNSHassle-free returns. Not happy? We'll make it right.
- LIVE SUPPORTPhone & live chat support available Mon–Fri, 9am–5pm EST.