• Package Include:
    • 4 pieces
     
  •  
  • Length:
    • Length of Sensor 1:640mm
    • Length of Sensor 2:310mm
    • Length of Sensor 3:mm
    • Length of Sensor 4:mm
     
  •  
  • OE:
    • F82M18861 F82M18861E,L5D91886ZC 18078 250-24958 19060507 234-4505
     
  •  
  • Q&A:
  •  
  • Q:What is Differences Between upstream and downstream O2 Sensor?
  • A:
  • Downstream O2 Oxygen Sensor For Mazda 3 2011-2013 Mazda 5 2012-2015 2.5L

    Package Include:

    • 4 pieces

     

     

    Length:

    • Length of Sensor 1:640mm
    • Length of Sensor 2:310mm
    • Length of Sensor 3:mm
    • Length of Sensor 4:mm

     

     

    OE:

    • F82M18861 F82M18861E,L5D91886ZC 18078 250-24958 19060507 234-4505

     

     

    Q&A:

     

    Q:What is Differences Between upstream and downstream O2 Sensor?

    A:

    • The upstream oxygen sensor is located before the catalytic converter. This measures the level of pollutants coming directly from the engine. It also senses any raw, unburned fuel coming from the combustion chambers.
    • The downstream oxygen sensor is located directly after the catalytic converter. This sensor measures the pollutants making it through the converter and out of the tailpipe. The data from this sensor is compared to that of the upstream sensor. If the data between the two sensors becomes more similar, the vehicle's computer may trigger a catalyst inefficiency check engine code, which turns on the Check Engine light.

     

    Q:When should I replace oxygen sensor ?
    A:If the car fuel consumption increased significantly, the oxygen sensor failure likely, should check the sensor.

     

    Type of Oxygen Sensor

    Range of Year

    Service Interval (Advice)

    Unheated 1 or 2 Wires

    1976 to Early-1990's

    30000 to 50000 km

    Heated 3 or 4 Wires

    Mid-1980's to mid-1990's

    60000 km

    Modern 4 or 5 wires

    Mid-1990's to Now

    100000 km

     

    Q:What is a California emissions sensor? How do I know if I need one?

    A:

    • A California emissions O2 sensor is meant for vehicles that are designed to meet California emission regulations. Such vehicles should have a sticker under the hood or on the driver’s door jamb that identify them.

     

    Q:How should I notice when install oxygen sensor ?
    A:

    • Remove the tools: wrench M22
    • Before install,make sure installation location surface cleaning
    • Oxygen sensor installation torque is 40 ~ 50 nm, and the installation of the fat use regulations 
    • Fixed through the clamp,if wiring harness is longer than the original


    content_src_url

    Downstream O2 Oxygen Sensor For Mazda 3 2011-2013 Mazda 5 2012-2015 2.5L

    Package Include:

    • 4 pieces

     

     

    Length:

    • Length of Sensor 1:640mm
    • Length of Sensor 2:310mm
    • Length of Sensor 3:mm
    • Length of Sensor 4:mm

     

     

    OE:

    • F82M18861 F82M18861E,L5D91886ZC 18078 250-24958 19060507 234-4505

     

     

    Q&A:

     

    Q:What is Differences Between upstream and downstream O2 Sensor?

    A:

    • The upstream oxygen sensor is located before the catalytic converter. This measures the level of pollutants coming directly from the engine. It also senses any raw, unburned fuel coming from the combustion chambers.
    • The downstream oxygen sensor is located directly after the catalytic converter. This sensor measures the pollutants making it through the converter and out of the tailpipe. The data from this sensor is compared to that of the upstream sensor. If the data between the two sensors becomes more similar, the vehicle's computer may trigger a catalyst inefficiency check engine code, which turns on the Check Engine light.

     

    Q:When should I replace oxygen sensor ?
    A:If the car fuel consumption increased significantly, the oxygen sensor failure likely, should check the sensor.

     

    Type of Oxygen Sensor

    Range of Year

    Service Interval (Advice)

    Unheated 1 or 2 Wires

    1976 to Early-1990's

    30000 to 50000 km

    Heated 3 or 4 Wires

    Mid-1980's to mid-1990's

    60000 km

    Modern 4 or 5 wires

    Mid-1990's to Now

    100000 km

     

    Q:What is a California emissions sensor? How do I know if I need one?

    A:

    • A California emissions O2 sensor is meant for vehicles that are designed to meet California emission regulations. Such vehicles should have a sticker under the hood or on the driver’s door jamb that identify them.

     

    Q:How should I notice when install oxygen sensor ?
    A:

    • Remove the tools: wrench M22
    • Before install,make sure installation location surface cleaning
    • Oxygen sensor installation torque is 40 ~ 50 nm, and the installation of the fat use regulations 
    • Fixed through the clamp,if wiring harness is longer than the original


    Item Specifics
    Brand SCITOO
    Manufacturer Part Number CNB129DF161517SG
    Manufacturer Warranty 1 Year
    Interchange Part Number F82M18861 F82M18861E,L5D91886ZC 18078 250-24958 19060507 234-4505
    Superseded Part Number F82M18861 F82M18861E,L5D91886ZC 18078 250-24958 19060507 234-4505
    Number of Sensors 1
    Wire Quantity 4
    Features Direct Fit, Easy Installation
    Length 470mm
    Sensor Type Heated
    Placement on Vehicle Front, Rear, Upstream, Pre-cat, Downsteam, Post-cat
    Length of sensor 2 310mm

    Shipping

    1. Order Processing
    Orders are processed within 2 business days of payment confirmation. Please ensure your shipping and payment information is correct before completing checkout. Once payment is confirmed, we are unable to make any changes to your order.

    2. Domestic Shipping (US)
    All domestic orders are shipped from our US warehouse via USPS, UPS, or FedEx. Delivery typically takes 2–7 business days depending on your location and the shipping method selected.

    3. Local Pickup
    Local pickup is not available at this time.

    4. International Buyers – Please Note
    a. Import duties, taxes, and customs charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.
    b. Please check with your country's customs office to determine any additional costs before bidding or purchasing.

    Payment

    We accept multiple payment methods.

    Payment is due within 7 days of the auction closing. If you are purchasing multiple items, please wait for a combined invoice before paying.

    If payment is not received within 7 days, an Unpaid Item Case will be opened with eBay, which may result in a strike against your account.

    Returns

    We offer a 60-day return or exchange guarantee on all brand-new items. Items must be returned in original, unused condition. Buyer pays return shipping unless the item is defective or damaged. Refunds are processed within 2 business days of receipt.

    Customer Services

    Q: When will my item ship?

    A: Orders are processed and shipped within 2 business days of payment confirmation.

    Q: Where can I find my tracking number?

    A: You can find your tracking number in two ways:

    Log in to your eBay account, go to "My eBay" → "Purchase History", and select the order. Check your email for the shipping confirmation notification sent by eBay.

    Q: How do I return an item?

    A: We accept returns within 60 days of delivery. To initiate a return, please contact our customer service first. Items must be returned in original, unused condition with all packaging and accessories. A full refund will be issued to your original payment method after we receive and inspect the returned item.

    Feedback

    We leave positive feedback upon receipt of payment. If you have any issues, please contact us before leaving feedback — we will resolve any problems to your satisfaction. If you are happy with your purchase, please take a moment to leave us positive feedback. Thank you!

    Shop Category
    Warranty
    Downstream O2 Oxygen Sensor For Mazda 3 2011-2013 Mazda 5 2012-2015 2.5L

    Package Include:

    • 4 pieces

     

     

    Length:

    • Length of Sensor 1:640mm
    • Length of Sensor 2:310mm
    • Length of Sensor 3:mm
    • Length of Sensor 4:mm

     

     

    OE:

    • F82M18861 F82M18861E,L5D91886ZC 18078 250-24958 19060507 234-4505

     

     

    Q&A:

     

    Q:What is Differences Between upstream and downstream O2 Sensor?

    A:

    • The upstream oxygen sensor is located before the catalytic converter. This measures the level of pollutants coming directly from the engine. It also senses any raw, unburned fuel coming from the combustion chambers.
    • The downstream oxygen sensor is located directly after the catalytic converter. This sensor measures the pollutants making it through the converter and out of the tailpipe. The data from this sensor is compared to that of the upstream sensor. If the data between the two sensors becomes more similar, the vehicle's computer may trigger a catalyst inefficiency check engine code, which turns on the Check Engine light.

     

    Q:When should I replace oxygen sensor ?
    A:If the car fuel consumption increased significantly, the oxygen sensor failure likely, should check the sensor.

     

    Type of Oxygen Sensor

    Range of Year

    Service Interval (Advice)

    Unheated 1 or 2 Wires

    1976 to Early-1990's

    30000 to 50000 km

    Heated 3 or 4 Wires

    Mid-1980's to mid-1990's

    60000 km

    Modern 4 or 5 wires

    Mid-1990's to Now

    100000 km

     

    Q:What is a California emissions sensor? How do I know if I need one?

    A:

    • A California emissions O2 sensor is meant for vehicles that are designed to meet California emission regulations. Such vehicles should have a sticker under the hood or on the driver’s door jamb that identify them.

     

    Q:How should I notice when install oxygen sensor ?
    A:

    • Remove the tools: wrench M22
    • Before install,make sure installation location surface cleaning
    • Oxygen sensor installation torque is 40 ~ 50 nm, and the installation of the fat use regulations 
    • Fixed through the clamp,if wiring harness is longer than the original

    Shipping

    1. Order Processing
    Orders are processed within 2 business days of payment confirmation. Please ensure your shipping and payment information is correct before completing checkout. Once payment is confirmed, we are unable to make any changes to your order.

    2. Domestic Shipping (US)
    All domestic orders are shipped from our US warehouse via USPS, UPS, or FedEx. Delivery typically takes 2–7 business days depending on your location and the shipping method selected.

    3. Local Pickup
    Local pickup is not available at this time.

    4. International Buyers – Please Note
    a. Import duties, taxes, and customs charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.
    b. Please check with your country's customs office to determine any additional costs before bidding or purchasing.

    Payment

    We accept multiple payment methods.

    Payment is due within 7 days of the auction closing. If you are purchasing multiple items, please wait for a combined invoice before paying.

    If payment is not received within 7 days, an Unpaid Item Case will be opened with eBay, which may result in a strike against your account.

    Returns

    We offer a 60-day return or exchange guarantee on all brand-new items. Items must be returned in original, unused condition. Buyer pays return shipping unless the item is defective or damaged. Refunds are processed within 2 business days of receipt.

    Customer Services

    Q: When will my item ship?

    A: Orders are processed and shipped within 2 business days of payment confirmation.

    Q: Where can I find my tracking number?

    A: You can find your tracking number in two ways:

    Log in to your eBay account, go to "My eBay" → "Purchase History", and select the order. Check your email for the shipping confirmation notification sent by eBay.

    Q: How do I return an item?

    A: We accept returns within 60 days of delivery. To initiate a return, please contact our customer service first. Items must be returned in original, unused condition with all packaging and accessories. A full refund will be issued to your original payment method after we receive and inspect the returned item.

    Feedback

    We leave positive feedback upon receipt of payment. If you have any issues, please contact us before leaving feedback — we will resolve any problems to your satisfaction. If you are happy with your purchase, please take a moment to leave us positive feedback. Thank you!


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