Air / Fuel Ratio Sensor for 2011-2013 Subaru Forester & More - DENSO 234-9109

$248.99
DENSO Auto Parts Air / Fuel Ratio Sensor 234-9109
DENSO Auto Parts Air / Fuel Ratio Sensor 234-9109

Vehicles this part fits
    Part number: 234-9109
    UPC: 042511119345
    Condition: New
    Weight: 0.32 LBS
    Item Package Quantity: 1
    $248.99
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    DENSO Auto Parts Air / Fuel Ratio Sensor P/N:234-9109
    DENSO Auto Parts Air / Fuel Ratio Sensor P/N:234-9109
    $248.99
    $248.99

    DENSO 234-9109 air / fuel ratio sensor for the 2011-2013 Subaru Forester H4 2.5L and other vehicles reads the air-fuel ratio in the exhaust for the engine computer. It is installed upstream.

    • 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
    • Heated wide-band sensor with 4 wires and a 12.60 in wiring harness

    Quick facts

    • Part: DENSO 234-9109 air / fuel ratio sensor
    • Fits: 2011-2013 Subaru Forester H4 2.5L and other vehicles
    • Position: Upstream
    • Condition: New

    A lit check engine light, lower fuel economy or rough running can mean this sensor is worn. An exhaust leak, a vacuum leak, damaged wiring or a fuel injector problem can bring on the same signs, so find the cause before you buy. This listing is one upstream sensor, and these engines take a single one.

    Fits

    This sensor is a direct-fit replacement for the 2011-2013 Subaru Forester H4 2.5L, the 2012-2014 Subaru Impreza H4 2.0L and the 2013-2014 Subaru XV Crosstrek H4 2.0L.

    Specifications

    Fit and size

    • Position: upstream
    • Quantity per vehicle: 1
    • Wire quantity: 4
    • Wiring harness length: 12.60 in

    Build and materials

    • Sensor type: wide-band, heated
    • Housing: laser-welded stainless
    • Filter: PTFE
    • Condition: new
    • Country of origin: Japan

    This part cross-references / interchanges with the following part numbers:

    18082, 24851, 22641AA610, 250-54084, 350-64031

    Frequently Asked Questions

    Is the DENSO 234-9109 air / fuel ratio sensor right for a 2012-2014 Subaru Impreza H4 2.0L?

    Yes. DENSO 234-9109 fits the 2012-2014 Subaru Impreza H4 2.0L as an upstream sensor. It also fits the 2013-2014 Subaru XV Crosstrek H4 2.0L.

    How many wires and how long is the harness on this air / fuel ratio sensor?

    This sensor has 4 wires and a 12.60 in wiring harness. It is a heated, wide-band sensor.

    What is the housing of the DENSO 234-9109 made of, and does it have a filter?

    The housing is laser-welded stainless to resist corrosion, and a PTFE filter blocks contaminants. A dual-layer shield protects the ceramic element inside.

    What signs can a worn air / fuel ratio sensor cause?

    Signs can include a check engine light, lower fuel economy or rough running. A shop can read the trouble codes and test the sensor.

    Is this an upstream or downstream air / fuel ratio sensor?

    This DENSO 234-9109 is an upstream sensor. The listing is one sensor, and the engine takes one.

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