Product Description
Genuine Motorcraft DY-579 Oxygen Sensor (NOS)
Restore the fuel efficiency of your classic Mercury with this genuine Motorcraft DY-579 Oxygen Sensor. This is a vintage New Old Stock (NOS) part, manufactured in the USA. It features high-quality vintage materials and the correct connector for specific Ford/Mercury applications.
This part is designed for the Exhaust Manifold / Downpipe position on specific 1988-1989 Mercury Tracer vehicles.
Key Features:
- Part Number: DY-579 (Motorcraft)
- Interchange Part: Ford E8GY-9F472-A
- Position: Upstream Oxygen Sensor
- Wire Count: 1-Wire (Unheated)
- Origin: Made in USA (Vintage Stock)
- Condition: NOS (New Old Stock)
Verified Vehicle Fitment:
| Make | Model | Year | Engine | Notes |
| Mercury | Tracer | 1988-1989 | 1.6L 4-Cyl | Verify Connector Shape |
Fits Years:
1988 1989
Product Note: Vintage Stock Photos
This listing uses stock images for reference. Because these are NOS (New Old Stock) parts manufactured decades ago, the item you receive may have cosmetic differences from the photo, such as:
- Packaging: Box styles, colors, or condition may vary (or item may be bulk packed).
- Finish: Materials, colors, or plating may vary between production runs.
- Shelf Wear: Minor cosmetic signs of age are normal for vintage parts.
Rest assured, the Part Number (DY-579) is verified to be 100% correct.
Unbeatable Prices & Expectations
We scour the country to find the best deals on NOS and NORS parts so we can pass the savings on to you. Our prices are often significantly lower than major competitors.
Please Note: While we verify fitment to the best of our ability using vintage catalogs, there can be variations. We strongly recommend comparing our photos and specs to your original part before purchasing.
