Infiniti QX4 Engine Parts

  • Engine Knock Sensor & Harness Kit

    Ships Same Day for orders placed by 4 P.M. ET

    $28.95
    Save 24%
    List: $37.95 Save: $9.00
    Part #: 1AEEK00665
  • O2 Oxygen Sensor

    Ships Same Day for orders placed by 4 P.M. ET

    $29.95
    Save 30%
    List: $42.95 Save: $13.00
    Part #: 1AEOS00093
  • Engine Knock Sensor Harness

    Ships Same Day for orders placed by 4 P.M. ET

    $19.95
    Save 20%
    List: $24.95 Save: $5.00
    Part #: 1AZWH00080
  • Engine Knock Sensor

    Ships Same Day for orders placed by 4 P.M. ET

    $31.95
    Save 36%
    List: $49.95 Save: $18.00
    Part #: 1AEKS00005
  • O2 Oxygen Sensor

    Ships Same Day for orders placed by 4 P.M. ET

    $32.95
    Save 37%
    List: $51.95 Save: $19.00
    Part #: 1AEOS00135
  • O2 Oxygen Sensor

    Ships Same Day for orders placed by 4 P.M. ET

    $28.95
    Save 34%
    List: $43.95 Save: $15.00
    Part #: 1AEOS00156
  • O2 Oxygen Sensor

    Ships Same Day for orders placed by 4 P.M. ET

    $26.95
    Save 39%
    List: $43.95 Save: $17.00
    Part #: 1AEOS00064
  • O2 Oxygen Sensor

    Ships Same Day for orders placed by 4 P.M. ET

    $31.95
    Save 26%
    List: $42.95 Save: $11.00
    Part #: 1AEOS00131
  • Engine Knock Sensor

    Ships Same Day for orders placed by 4 P.M. ET

    $23.95
    Save 17%
    List: $28.95 Save: $5.00
    Part #: 1AEKS00007
  • O2 Oxygen Sensor with Install Tool

    Ships Same Day for orders placed by 4 P.M. ET

    $36.95
    Save 36%
    List: $57.95 Save: $21.00
    Part #: 1AEEK00525
  • O2 Oxygen Sensor

    Ships Same Day for orders placed by 4 P.M. ET

    $32.95
    Save 33%
    List: $48.95 Save: $16.00
    Part #: 1AEOS00136
  • Engine Knock Sensor Harness Nissan OEM 24079-31U01

    Ships Same Day for orders placed by 4 P.M. ET

    $44.95
    Save 33%
    List: $66.95 Save: $22.00
    Part #: NSZWH00001
  • O2 Oxygen Sensor Walker Products 250-23089

    Walker Products

    Ships Same Day for orders placed by 4 P.M. ET

    $53.95
    Save 35%
    List: $82.95 Save: $29.00
    Part #: WKEOS00005
  • O2 Oxygen Sensor Walker Products 250-23131

    Walker Products

    Ships Same Day for orders placed by 4 P.M. ET

    $76.95
    Save 33%
    List: $114.95 Save: $38.00
    Part #: WKEOS00107
  • O2 Oxygen Sensor Walker Products 250-23133

    Walker Products

    Ships Same Day for orders placed by 4 P.M. ET

    $83.95
    Save 40%
    List: $140.95 Save: $57.00
    Part #: WKEOS00008
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