Walker 250-22011 Oxygen Sensor - Downstream

Brand	Walker 250-22011
Position	Downstream
Connector Gender	Male
Connector Shape	Radiused Polygon
Mounting Type	Threaded
Overall Length	18.82
Sensor Type	Non Heated
Thread Diameter	18.0
Universal Or Specific Fit	Specific
Wire Gauge Measurement	20
Wire Quantity	2
Wiring Harness Length	15.28
Product line	Walker Products OE
Fits	Lexus · 2 vehicles

OE replacement. Engineered as a direct-fit oxygen sensor for the specified application.

Non-heated design. Simplifies the sensor layout with a straightforward two-wire setup.

Threaded mount. Installs with a secure threaded connection.

$72.71Free shipping

In stock · usually ships same day before 1pm CST

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OE Oxygen Sensor for Lexus LS400

Walker Products OE 250-22011 is a specific-fit downstream oxygen sensor engineered for the 1993-1994 Lexus LS400. It is built to provide the ECU with the exhaust feedback needed for proper fuel control and emissions monitoring.

For Lexus LS400 downstream oxygen sensor replacement, this Walker Products OE part number 250-22011 is matched to the application, mounting position, and connector style used on the vehicle.

Key Features

Specific-fit downstream oxygen sensor for 1993-1994 Lexus LS400
Non-heated sensor design
Threaded mounting type with 18.0 mm thread diameter
2-wire configuration with 20-gauge wiring
Radiused polygon male connector for application-specific fitment
Wiring harness length: 15.28 in.; overall length: 18.82 in.

Product Details

Walker Products OE focuses on original-equipment-style replacement sensors for vehicle-specific applications. Part number 250-22011 is designed for downstream installation on the Lexus LS400 and is intended to deliver the diagnostic feedback the ECU expects from the oxygen sensor circuit. Walker Products has supplied engine management and fuel system components since 1946, and its OE line is built around application-specific fitment and sensor performance.

This part cross-references no listed aftermarket part numbers for the same application.

What It Helps Address

Check engine light related to downstream oxygen sensor performance
Poor fuel economy caused by inaccurate exhaust feedback
Rough engine operation from incorrect air-fuel correction
Elevated exhaust emissions from a failing sensor circuit
Stored ECU fault codes tied to the oxygen sensor system

Installation Notes

Compatible With 1993-1994 Lexus LS400, downstream. Verify the sensor location, connector shape, and thread size before installation. Inspect the wiring harness and connector for heat damage, corrosion, or physical wear, since damaged wiring can shorten sensor life and affect readings. Confirm the exhaust threads are clean and match the 18.0 mm mounting specification.

Quality Assurance

Walker Products OE sensors are manufactured as application-specific replacements for many vehicles worldwide and produced under ISO 9001/TS 16949 quality systems.

This part fits 2 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Fuel Type	Position	Notes
1994	Lexus	LS400	4.0L	V8	GAS	Downstream	Downstream oxygen sensor for vehicle installation.; Walker Products OE
1993	Lexus	LS400	4.0L	V8	GAS	Downstream	Downstream oxygen sensor for vehicle installation.; Walker Products OE
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