DENSO Auto Parts 234-4046 oxygen sensor for the 1999-2001 Ford F-150 V6 4.2L or V8 5.4L, the 1999-2003 F-150 V8 4.6L and other vehicles senses oxygen in the exhaust so the engine computer can adjust fuel. This DENSO Auto Parts oxygen sensor is a heated narrow-band unit, manufactured and tested to the strictest OE standards.
- Laser-welded stainless housing that resists corrosion
- PTFE filter that blocks contaminants under harsh engine conditions
- Dual-layer protection around the ceramic element for fast, reliable response times
- Aluminum oxide trap layer that protects the ceramic element from silicone and lead poisoning
- Four-wire design with a threaded mount
Quick facts
- Part: DENSO Auto Parts 234-4046 oxygen sensor
- Fits: the 1999-2001 Ford F-150 V6 4.2L or V8 5.4L, the 1999-2003 F-150 V8 4.6L and other vehicles
- Position: upstream, upstream right, upstream rear
- Condition: New
A check engine light, worse fuel economy or a rough idle can mean this oxygen sensor is worn, though a mass airflow sensor or an exhaust leak ahead of it can also be behind those signs, so find the cause before you replace it. This listing is one sensor; the 1999-2003 Ford F-150 V8 4.6L takes two, and the quantity varies by vehicle.
Fits
Beyond the vehicles in the opening, it is the oxygen sensor for the 2001-2008 Ford Escape V6 3.0L and for the 2002-2003 Ford Explorer V8 4.6L and the 2003 Explorer V6 4.0L. It is a direct-fit sensor. If your car is not named here, look it up by make, model and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: upstream, upstream right, upstream rear
- Quantity per vehicle: 1 or 2, depending on the vehicle
- Thread diameter: 0.708 in
- Wiring harness length: 10.63 in
- Wires: 4
- Connector: male
Build and materials
- Sensor type: narrow-band, heated
- Mounting type: threaded
- Fit type: vehicle-specific
- Condition: New
- Country of origin: United States
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
213-1459, OS1479, OS1977, OS1992, 15716, ES20064, ES20104, 5C5Z9F472AA, F8VZ9F472AA, XC2Z9F472AA, YL8Z9F472BA, XR86938, AJ0418861B, AJTT18861, ZZCA18861, DY1039, DY821, DY834, DY877, 22060, SG1802, SG1813, SG1814, 250-24749, 350-34399
Frequently Asked Questions
Is this Ford F-150 oxygen sensor right for a 1999-2001 F-150 V6 4.2L or V8 5.4L?
Yes. DENSO Auto Parts 234-4046 is listed for the 1999-2001 Ford F-150 V6 4.2L or V8 5.4L and the 1999-2003 F-150 V8 4.6L. For other cars, use the "Vehicles it fits" section.
Is this oxygen sensor heated, and how many wires does it have?
Yes. It is a heated narrow-band sensor with 4 wires and a male connector.
What are the thread size and wire length of the DENSO 234-4046?
DENSO Auto Parts 234-4046 has a 0.708 in thread diameter and a 10.63 in wiring harness, and it mounts by thread.
What signs can show the upstream oxygen sensor on my car is wearing out?
A check engine light, worse fuel economy or a rough idle can mean a worn sensor. A shop can read the codes and test the sensor.
What does the aluminum oxide trap layer on this DENSO sensor do?
It is designed to protect the ceramic element from silicone and lead poisoning.
