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Jeep 5139021AA Oxygen Sensor Rear

2004 Jeep 5139021AA

Customer Questions & Expert Answers (2)
Mopar 5139021AA Oxygen Sensor Rear
  • Part Description
    Sensor Package Oxygen
  • Position
    Rear
  • Replaces
    56044598AA
  • Manufacturer
    Mopar
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine Jeep
    Manufacturer Part Number5139021AA
    Part DescriptionSensor Package Oxygen
    Other NamesOxygen Sensor, Rear Oxygen Sensor
    Item Dimensions6.3 x 2.9 x 2.9 inches
    Item Weight0.80 Pounds
    PositionRear
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces56044598AA
    ManufacturerMopar
    SKU5139021AA
    WarrantyThis genuine Mopar part is guaranteed by Mopar's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2004 Jeep Grand Cherokee6 Cyl 4.0LLaredo 2WD, Laredo 4WD, Limited 2WD, Limited 4WD
    2004 Jeep Wrangler6 Cyl 4.0LRubicon, Sahara, Sport, Unlimited, X
  • Customer Questions & Expert Answers

    Q:
    Please cross check for fit. Posted by MoparPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 5139021AA fits your vehicle.
    Posted by MoparPartsGiant Specialist
    Q:
    What are the details about the oxygen sensor replacement procedure and emissions maintenance timer on Jeep Wrangler? Posted by Customer
    A:
    Pre-1991 models have an emission maintenance timer under the dashboard that triggers the indicator light for oxygen sensor replacement (around 82,500 miles). The timer can't be reset and must be replaced or disconnected to turn off the light. 3: The timer is located under the instrument panel, right of the steering column. Unplug the connector, remove screws, and lower the timer. Installation is the reverse. 4: Post-1991 models require a special tool to reset the indicator light after oxygen sensor replacement. Visit a dealer or equipped repair facility for light reset.
    Posted by MoparPartsGiant Specialist
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine Mopar Part 5139021AA, the Right Choice

To ensure reliability, purchase Mopar part # 5139021AA Oxygen Sensor Rear. It is sometimes referred to as Oxygen Sensor. The OEM parts should be used when the Mopar owners want to maximize their driving experience. The high-tech factories that produce these parts utilize sophisticated technology specifically designed to meet stringent factory requirements. Additionally, they are thoroughly tested and can thus be used with reliability by Mopar owners. This part fits specific Jeep Grand Cherokee and Wrangler models.

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