Heated Oxygen Sensor - GM (12586996)
Details
- Brand:
- SKU:
12586996
- Positions: Front, Front Rear
- Other Names:
Oxygen Sensor, 943
- Description: ACDelco Heated Oxygen Sensor (Part Number: 12586996) is a heated oxygen (O2) sensor positioned in the exhaust stream to measure oxygen content and support emissions control and fuel trim adjustments.
- Function: Measures oxygen content in exhaust gases to help engine control modules optimize air/fuel mixture and emissions.
- Location: Front (position 1) sensor for specified 4.2L applications.
- Benefit: Heated design allows quicker sensor operation after cold start, improving emissions control and drivability.
World Parts Direct — a U.S. based distributer — offers competitive pricing, compatibility guarantee, and expert OEM-backed support for emission sensors.
- Condition: New
Also Purchased
Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
Next Day Parts
Welcome to nextdayparts.com — home of the Low-Price and Right-Part Guarantee. We offer genuine OEM parts for General Motors and MOPAR vehicles, shipped directly to your door. Enjoy unmatched convenience, incredible savings, and reliable, human support.
Every part we sell is brand new, in the manufacturer’s original packaging, and backed by the full factory warranty. These are the exact same parts installed at the factory — no substitutes, no guesswork.
Whether you're ordering for routine maintenance, collision repair, or a full restoration, our expert team is here to help. We offer a free compatibility guarantee when a VIN is provided, ensuring you get the right part the first time.
Have questions? Our parts professionals are ready to assist by phone, text, or email. We ship to more than 220 countries worldwide and are proud to serve both everyday drivers and automotive professionals.
GM
Shop authentic OEM MOPAR & GM products. Keep your vehicle running at its best by using only authentic OEM parts.
