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Walker Products® Premium Air Fuel Ratio Sensor 250-54011

Walker Products Premium Air Fuel Ratio Sensor 250-54011
$176.25
In Stock. Ships in 1-3 Business Days

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  • Specifications
  • Features
  • Vehicle Fitment
  • Specifications

    BrandWalker Products
    Part Number250-54011
    Part DescriptionPremium Air Fuel Ratio Sensor
    Connector GenderFemale
    LocationB1S1 Sensor
    Overall Length23.15"(588.01 mm)
    PositionUpstream
    Sensor TypeHeated
    Thread Diameter0.71"(18.0 mm)
    UPC724620044007
    Wire Gauge Measurement20 Gauge
    Wire Harness Length19.61"(498.094 mm)
    Wires Quantity4 Wire Leads
    Warning: California’s Proposition 65
  • Features

    Walker Products Premium Oxygen Sensor 4-W Air Fuel Ratio are featured as follows:
    • Premium Oxygen Sensor by Walker Automotive Products.
    • The O2 Sensor sits directly in the engine exhaust gas stream and takes constant and continuous reading of the air/fuel ratio of exhaust gasses.
    • Data communicated to ECU for use in fuel flow adjustment calculations.
    • Replacement of worn out sensor can lead to:.
    • Improved Engine response and performance.
    • Provides Lower emissions and improved fuel economy.
    • Extends service with a longer sensor life.
    • Sensors constructed using high-grade materials for ultimate quality and durability.
    • Offering high quality at an affordable price, expertly made from premium materials, built to match your exact requirements.
    • Manufactured by Walker Automotive Products, a reputable name with a long history in the automotive parts industry.
    • Part of an extensive range of engine management components and products.
    • An ISO 9001:2008 and TS16949 certified company, ensuring high quality standards.
    • Production processes include statistical process control (SPC) and automated process feedback to ensure consistent quality.
    The Premium Oxygen Sensor 4-W Air Fuel Ratio 250-54011 by Walker Products is a high-performance engine management product designed to improve engine response and performance, lower emissions, and enhance fuel economy. Made from a solid electrolyte galvanic cell, with zirconium oxide stabilized with Yttria and coated with pure platinum. The sensor works by monitoring the engine's air to fuel ratio, measuring the amount of free oxygen in the exhaust and reporting this information to the engine control unit (ECU) for maximum efficiency. Designed to meet OEM specifications and promises a longer sensor life. Walker Products, an ISO 9001:2008 and TS16949 certified company, ensures the highest quality in its automotive parts, making it a reliable choice for oxygen sensors.
    Since 1946, Walker Products has been a trusted name in the aftermarket automotive parts industry, providing high-quality performance engine management products and fuel system components. Their extensive product line includes oxygen sensors, carburetor and fuel injection repair kits, and other engine management components. An ISO 9001:2008 and TS16949 certified company, Walker Products is dedicated to maintaining rigorous quality standards in its production processes.
  • Vehicle Fitment

    Year Make Model Trim Engine
    2004-2005 Acura ELBase4 Cyl 1.7L
    2003-2006 Subaru BajaAll Trims4 Cyl 2.5L
    2003-2004 Subaru ForesterAll Trims4 Cyl 2.5L
    2003-2004 Subaru ImprezaAll Trims4 Cyl 2.5L
    2003-2004 Subaru LegacyAll Trims4 Cyl 2.5L
    2003-2004 Subaru OutbackAll Trims4 Cyl 2.5L

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