DENSO Auto Parts 234-9018 air / fuel ratio sensor for the 2000-2001 Subaru Outback H4 2.5L and other vehicles sends the exhaust air-fuel ratio to the engine computer. The computer uses that reading to adjust fuel delivery.
- Laser-welded stainless housing resists corrosion
- PTFE filter blocks contaminants under harsh engine conditions
- Dual-layer protection shields the ceramic element for fast, reliable response times
- Wide-band sensor design with four wires
Quick facts
- Part: DENSO Auto Parts 234-9018 air / fuel ratio sensor
- Fits: 2000-2001 Subaru Outback H4 2.5L and other vehicles
- Position: Upstream
- Condition: New
A worn sensor can show up as a check engine light, a rough idle or poorer fuel economy. Before you replace the sensor, rule out an exhaust leak near it, damaged wiring or a loose connector, since any of these can throw off the reading the computer receives.
Fits
This is a direct-fit sensor for the 2000-2001 Subaru Outback H4 2.5L, the 1999 Subaru Legacy H4 2.2L, the 2000-2001 Legacy H4 2.5L and the 1999-2001 Subaru Impreza H4 2.2L.
Specifications
Fit and size
- Position: Upstream
- Quantity per vehicle: 1
- Thread diameter: 0.711 in
- Wiring harness length: 15.35 in
- Wire quantity: 4
- Connector gender: Male
Build and materials
- Sensor type: Wide-band
- Heated: Yes
- Housing: Laser-welded stainless
- Condition: New
- Country of origin: United States
In the box
One air / fuel ratio sensor. This listing is a single sensor, and the engine takes one in the upstream position.
This part cross-references / interchanges with the following part numbers:
213-2854, 13557, 15015, ES10938, 24667, SG1716, 22641AA000, 22641AA00A, 250-54015, 350-64068
Frequently Asked Questions
Does the DENSO Auto Parts 234-9018 fit the 1999-2001 Subaru Impreza H4 2.2L?
Yes. DENSO Auto Parts 234-9018 is a direct-fit upstream sensor for the 1999-2001 Subaru Impreza H4 2.2L.
Is this DENSO Auto Parts air fuel ratio sensor a wide-band type?
Yes. DENSO Auto Parts 234-9018 is a wide-band, heated sensor with four wires, made for the upstream position.
How long is the wiring harness on this air / fuel ratio sensor?
The wiring harness is 15.35 in long, the connector is male, and the thread diameter is 0.711 in.
What signs can a failing upstream air / fuel ratio sensor show?
Signs can include a check engine light, a rough idle or poorer fuel economy. A shop can test the sensor with a scan tool.
What is in the box with the DENSO 234-9018 air / fuel ratio sensor?
The listing is one air / fuel ratio sensor. These engines take one in the upstream position.
