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Oxygen Sensor Set of 4

Oxygen Sensor Set of 4

4.7(69 ratings)

Best price now

$66.99at CarParts.comChecked Nov 3

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Price facts

  • Last seen at $66.99 at CarParts.com on Nov 3.
  • Our take on the Oxygen Sensor Set of 4

    A set of four 4-wire oxygen sensors with factory-style wiring, harnesses and connectors, so they plug into the original loom and thread into the existing bungs. Each sensor uses a zirconia element for a fast response to air-fuel changes, and the outer shell is built to resist silica and other contaminants. The set suits a V6 or V8 owner replacing all sensors at once, which is the usual recommendation when one fails on an older engine. Against single-sensor buys it saves repeat labor and keeps the bank matched, but it is a general-purpose fitment, so confirm the connector and thread match your engine before ordering.

    Best forOwners replacing all sensors on a V6 or V8 at onceOlder cars with high mileage and original sensorsDIY mechanics who want plug-and-play connectorsKeeping a matched set across both banks
    Pros
    • Four sensors in one set covers both banks
    • Factory-spec wiring, harness and connector for plug-and-play
    • Zirconia element responds quickly to air-fuel changes
    • Threaded direct-fit mounting into the stock bung
    • Shell resists silica and contaminant buildup
    Cons
    • Fitment is not vehicle-specific, so the connector and thread must be checked
    • No mention of a sensor-safe anti-seize packet in the box
    • Universal 4-wire sensors can need wire splicing on some cars

    Oxygen Sensor Set of 4 prices at every store

    • CarParts.comNew

      Availability unknown

      $66.99Checked Nov 3
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    Oxygen Sensor Set of 4 price history

    Lowest price we've seen: $66.99 on Nov 3 at CarParts.com. Tracked across 1 store since Nov 3.

    What reviewers say

    • 4.7 / 569 ratings

    Rated 4.7 out of 5 from 69 ratings. Buyers mostly report the sensors fit and connect as expected and clear the check-engine light, with the four-pack making a full replacement straightforward.

    What people mention
    • FitmentMixedBuyers say the sensors fit many applications, but a few had to confirm the connector and thread against their engine first.
    • InstallationPraisedOwners report the factory-style plugs and threaded mounting make installation straightforward.
    • Check-engine lightPraisedSeveral buyers say the codes cleared and stayed off after replacing all four sensors.
    • Value of setPraisedReviewers like getting all four sensors together instead of buying them one at a time.
    • DurabilityPraisedOwners report the sensors keep working well after months of use.

    From CarParts.com

    • Set of 4 4-wire oxygen sensors
    • Plug-and-play installation with factory-spec wiring, harness and connector
    • Hardwearing exterior shell protects against silica deposits and contaminants
    • Embedded zirconia for a quick response rate to air-fuel ratio changes
    • Built to last through extensive development and advanced manufacturing
    • Direct fit, threaded-in mounting
    Fit
    Direct Fit; threaded-in mounting; M18 x 1.5 mm thread size; 7/8 in. hex size
    Guarantee
    1-year DriveWire unlimited-mileage warranty; defects reported within the warranty period are taken care of
    Returns
    30-day return policy; returns for most items within 30 days of delivery for a refund
    Shipping
    Ships free with CarParts+ Gold; standard delivery estimated Monday, Nov 16 to La Salle, IL 61301
    Packs
    Set of 4
    In the box
    4 Oxygen Sensors

    About the Oxygen Sensor Set of 4

    This set includes four 4-wire oxygen sensors. Each sensor is a direct-fit part that threads into place, and it comes with factory-spec wiring, a harness and a connector for plug-and-play installation.

    Each sensor has an embedded zirconia element that responds quickly to changes in the air-fuel ratio. A hardwearing outer shell protects against silica deposits and contaminants.

    Quantity
    Set of 4
    Wires
    4-wire
    Fit
    Direct fit
    Mounting
    Threaded-in
    Thread size
    M18 x 1.5 mm
    Hex size
    7/8 in.
    Installation
    Plug-and-play with factory-spec wiring, harness and connector
    Sensing element
    Embedded zirconia
    In the box
    4 oxygen sensors

    Questions and answers

    Do I need to replace all four oxygen sensors at once?
    Not always, but on higher-mileage engines the sensors age together. Replacing the set keeps both banks matched and avoids a second round of labor when the next one fails.
    Will these plug into my car's original wiring?
    They come with factory-spec wiring, harness and connector for plug-and-play use. Fitment is not vehicle-specific, so match the connector shape and thread to the sensor you are removing.
    Are these upstream or downstream sensors?
    They are 4-wire zirconia sensors of the type used for air-fuel ratio feedback. Check your engine's sensor locations and wire count to confirm they suit the position you are replacing.
    What is in the box?
    Four oxygen sensors. No anti-seize or other install hardware is listed, so have sensor-safe anti-seize on hand if your service manual calls for it.
    How long should they last?
    Zirconia sensors typically last tens of thousands of miles, and the shell is built to resist silica and contaminant fouling. Lifespan depends on fuel quality and engine condition.
    Where is the Oxygen Sensor Set of 4 cheapest?
    At CarParts.com, for $66.99, as of our latest check.
    What do buyers say about the Oxygen Sensor Set of 4?
    Rated 4.7 out of 5 from 69 ratings.

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