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Bosch 15257 OE Fitment 4-Wire Heated Oxygen Sensor

(2002-2006 Mazda MPV)

Manufacturer

Part Number

15257
Sale Price

$108.03

In Stock (5)

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Bosch 15257 is a premium, heated 4-wire oxygen sensor designed as a direct OE replacement. As the company that invented the automotive oxygen sensor, Bosch brings decades of engineering expertise to every sensor they produce, delivering performance that meets or exceeds original equipment specifications.

This sensor monitors oxygen levels in the exhaust stream and sends precise voltage signals to the engine's emission control computer, enabling the ECU to continuously optimize the air/fuel mixture for maximum combustion efficiency, improved fuel economy, and reduced harmful emissions.

Key Features:

  • 4-Wire Heated Design – Fast-acting heater brings the sensor to operating temperature within seconds for optimum closed-loop performance
  • Zirconium Ceramic Element – Premium ceramic technology using Zirconium with a thimble-type sensor construction for accurate, long-lasting readings
  • Double-Filter Contamination Protection – Patented catalytically activated fine particle filter prevents contamination for extended sensor life; a second filter layer doubles protection against exhaust gas contamination
  • Double Laser-Welded Stainless Steel Body – Totally submersible and sealed tight to protect against damage from exhaust emissions, ensuring longer service life
  • OE-Style Direct-Fit Connector – True direct-fit OE connector and harness for plug-in installation — no cutting or splicing required
  • Pre-Coated Threads – Anti-seize compound applied at the factory for clean, easy installation right out of the box
  • 100% Functional Quality Tested – Every sensor undergoes a full functional test at Bosch's factory before shipping
  • Protects Catalytic Converter – Accurate sensor readings help prevent premature catalytic converter failure

Specifications:

  • Wire Configuration: 4-Wire
  • Sensor Type: Heated Thimble
  • Material: Zirconium
  • Wire Length: 20.5 in. (521 mm)
  • Thread Diameter: 18 mm
  • Connector Type: OE Type
  • Mounting Type: Threaded
  • Location: After Catalytic Converter (Downstream)
  • Quantity: Sold individually

The Bosch 15257 is the trusted choice for a reliable, long-lasting downstream oxygen sensor replacement that restores proper emissions monitoring and engine efficiency.

Products specifications

Fits

2002-2006 Mazda MPV

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Good products with low prices. Easy website and pament options.

Exact product as promised with the best price on the internet. Product shipped fast and had a tracking number to keep me up to date on my order. I would order from again without hesitation and will tell friends.

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