LABWORK O2 Oxygen Sensor for 2007-2012 Mazda CX-7 2.3L Downstream 250-24782
LABWORK O2 Oxygen Sensor for 2007-2012 Mazda CX-7 2.3L Downstream 250-24782 is a brand-new downstream oxygen sensor designed to monitor exhaust gases and improve fuel efficiency. Priced at $21.52, it's ideal for DIY auto repairs on select Mazda CX-7 models requiring an OE-replacement sensor.
● In stock
Buy at Lab Work Auto →Price and availability may change. Click to see current details on Lab Work Auto.
Key features
- OE numbers 250-24782 and 1900-556094
- Downstream sensor for post-cat monitoring
- Brand new, not remanufactured
- One-year warranty included
- Direct fit for 2007-2012 Mazda CX-7 2.3L
- Single sensor sold per unit
- Plug-and-play installation
Pros
- +Affordable at $21.52
- +Exact OE replacement fit
- +Backed by one-year warranty
- +No wiring modifications needed
- +Helps pass emissions testing
Cons
- −Only for downstream position
- −Single unit per purchase
- −Limited to Mazda CX-7 2.3L
About LABWORK O2 Oxygen Sensor for 2007-2012 Mazda CX-7 2.3L Downstream 250-24782
What is LABWORK O2 Oxygen Sensor for 2007-2012 Mazda CX-7 2.3L Downstream 250-24782?
The LABWORK O2 Oxygen Sensor is a direct-fit replacement for the downstream oxygen sensor on 2007–2012 Mazda CX-7 2.3L turbocharged engines. Identified by OE numbers 250-24782 and 1900-556094, this sensor monitors post-catalytic converter exhaust oxygen levels to ensure optimal emissions performance and fuel economy. Sold individually by Lab Work Auto, it is brand new and backed by a one-year warranty, making it a reliable choice for maintaining vehicle compliance and engine efficiency.
Key features
- OEM Compatibility — Matches OE numbers 250-24782 and 1900-556094 for precise fitment.
- Downstream Placement — Monitors catalytic converter efficiency for emissions control.
- Brand New Unit — Not remanufactured or refurbished.
- One-Year Warranty — Direct warranty coverage from Lab Work Auto.
- Single Sensor Sold — Includes one downstream O2 sensor.
- Vehicle-Specific Design — Engineered exclusively for 2007–2012 Mazda CX-7 2.3L models.
- Easy Installation — Direct plug-and-play replacement with factory harness.
Who is LABWORK O2 Oxygen Sensor for 2007-2012 Mazda CX-7 2.3L Downstream 250-24782 for?
This oxygen sensor is designed for Mazda CX-7 owners and independent mechanics performing emissions-related repairs or routine maintenance. It suits DIYers with basic wrench skills and those replacing a failing downstream sensor triggering a check engine light or failing an emissions test. The part is ideal for maintaining factory emissions compliance and ensuring accurate feedback to the vehicle’s ECU.
How does LABWORK O2 Oxygen Sensor for 2007-2012 Mazda CX-7 2.3L Downstream 250-24782 compare?
Compared to universal oxygen sensors, this LABWORK unit offers a plug-and-play advantage with no splicing required. It matches the form and function of OEM sensors at a lower cost than dealership parts. While not as robust as some premium branded sensors, it provides reliable performance for budget-conscious repairs. It outperforms used or salvage-yard sensors in longevity and comes with a warranty, unlike many aftermarket alternatives lacking brand support.
Best use cases
- →Replacing failed downstream O2 sensor
- →Fixing check engine light (P0420)
- →Passing state emissions inspection
- →Routine maintenance on high-mileage CX-7
- →DIY repair with basic tools
Is LABWORK O2 Oxygen Sensor for 2007-2012 Mazda CX-7 2.3L Downstream 250-24782 right for you?
This sensor is best for Mazda CX-7 2.3L owners needing a downstream O2 replacement. Suitable for DIYers with basic mechanical skills. Verify your old sensor's part number before purchase. Consider premium branded sensors for longer life or universal units only if wiring experience exists. Always confirm fitment with Lab Work Auto if uncertain.
How it compares: Compared to universal O2 sensors, this LABWORK unit offers plug-and-play reliability. It's more affordable than OEM from dealerships and more trustworthy than used sensors, though not as durable as top-tier aftermarket brands like Denso or Bosch.
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What does the downstream O2 sensor do?
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The downstream oxygen sensor monitors exhaust gases after the catalytic converter to assess its efficiency. It helps the ECU determine if emissions are within acceptable limits and can trigger a check engine light if converter performance drops.
Does this LABWORK sensor require programming or coding?
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No, this LABWORK O2 sensor does not require programming or coding. It is a direct replacement that connects to the factory harness and operates as the original unit did without additional setup.
How do I know if I need a downstream O2 sensor?
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Common signs include a check engine light with code P0420, reduced fuel economy, or failing an emissions test. A scan tool can confirm if the downstream sensor's readings are out of range.
Is this sensor new or remanufactured?
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This LABWORK O2 sensor is brand new, not remanufactured or refurbished. It is built to match original equipment specifications and comes with a one-year warranty from Lab Work Auto.
Can I install this oxygen sensor myself?
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Yes, if you have basic mechanical skills and an oxygen sensor socket, you can install it yourself. The process involves disconnecting the battery, unplugging the old sensor, and threading in the new one with proper torque.
How much does LABWORK O2 Oxygen Sensor for 2007-2012 Mazda CX-7 2.3L Downstream 250-24782 cost?
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LABWORK O2 Oxygen Sensor for 2007-2012 Mazda CX-7 2.3L Downstream 250-24782 is $21.52 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is LABWORK O2 Oxygen Sensor for 2007-2012 Mazda CX-7 2.3L Downstream 250-24782 in stock at Lab Work Auto?
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Yes, LABWORK O2 Oxygen Sensor for 2007-2012 Mazda CX-7 2.3L Downstream 250-24782 is currently in stock at Lab Work Auto.
Specifications
- SKU
- F7-6863