FREE SHIPPING
Free shipping on every order — no minimum purchase required.DESCRIPTION
OEM Oxygen Sensor Set for 2003-2006 Audi A8 & A8L (4.2L) – This upstream pre-cat O2 sensor pair replaces the factory sensors that monitor fuel mixture before the catalytic converter. Designed for direct fit on D3-generation models with 4.2L engines.
- Upstream pre-cat configuration
- OEM quality with part number 012821B
- Fits 2003-2006 Audi A8 and A8L
- 4.2L engine compatibility
Proper O2 sensor function ensures accurate fuel trim and helps maintain fuel economy and emissions compliance.
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
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