Subaru Impreza Oxygen Sensor

UNIVERSAL OXYGEN SENSOR, HEATED, 4-WIRE, SOLD INDIVIDUALLY

This REPLACEMENT oxygen sensor is crafted from high quality materials - stainless steel shell, hex nut, shield, Teflon-covered insulated wires, high-temperature rubber internal and external seals, and threaded tube coated with anti-seize compound.

Tested to ensure highest level of quality and reliability; it helps to reduce harmful emissions and extends catalyst life.

Notes: May not be compatible with flanges. May require minor modifications

View Installation Instruction

Replacement brand parts are the most affordable solution for your replacement needs! Replacement specializes in a wide range of OE comparable auto parts including body parts, lighting, electrical, brakes, suspension, intake, exhaust, cooling and heating parts. All Replacement brand items are backed by 1-year, unlimited-mileage warranty.

• Location: Before Catalytic Converter
• Type: 4-wire, Minor modifications required, 5.91 in.
• Quantity Sold: Sold individually
• Warranty: 1-year, unlimited-mileage warranty

Fits the following 2000-2005 Subaru Impreza submodels:

• 2000-2005: All Submodels; All Engines;

BOSCH REGULAR CLASS OXYGEN SENSOR

Bosch Regular Class Oxygen Sensor provides submersible patented connection system that protects against contamination, withstands the effects of extreme temperatures, and engine vibration. Made to improve engine performance, prevents premature failure for catalytic converter, and reduces harmful emissions.

Specifications:

• 4-wire
• 26.8 in. wire length
• 0-1 V
• Heated
• Thread-in mounting style
• Includes wiring harness

Features:

• Manufactured with a two-foot length sensor wire
• Uses a submersible patented connection system that protects against contamination and withstands the effects of extreme temperatures and engine vibration
• Posi-lock connectors that can be unscrewed and reconnected in case of a wiring mistake

Wire splicing required.

• Fit Note: Automatic Transmission, With California Emissions System
• Location: After Catalytic Converter
• Type: 4-wire, Minor modifications required
• Quantity Sold: Sold individually

Fits the following 1999-2009 Subaru Impreza submodels:

• 2009-2009: 2.5 GT; 4 Cyl 2.5L; "EJ253"
• 2009-2009: WRX Premium; 4 Cyl 2.5L; "EJ253"

• 2008-2009: Sport; 4 Cyl 2.5L; "EJ253"
• 2006-2009: 2.5i; 4 Cyl 2.5L; "EJ253"
• 2006-2009: Outback Sport; 4 Cyl 2.5L; "EJ253"
• 2006-2009: WRX STI; 4 Cyl 2.5L; "EJ253"
• 2006-2009: WRX; 4 Cyl 2.5L; "EJ253"
• 2007-2007: WRX STI Limited; 4 Cyl 2.5L; "EJ253"
• 2006-2007: WRX Limited; 4 Cyl 2.5L; "EJ253"
• 2006-2007: WRX TR; 4 Cyl 2.5L; "EJ253"
• 2005-2005: Outback Sport; 4 Cyl 2.5L;
• 2005-2005: RS; 4 Cyl 2.5L;
• 2005-2005: WRX STI; 4 Cyl 2.5L;
• 2005-2005: WRX; 4 Cyl 2.0L;
• 2004-2004: Outback; 4 Cyl 2.5L; "EJ257"
• 2004-2004: RS; 4 Cyl 2.5L; "EJ257"
• 2004-2004: TS; 4 Cyl 2.5L; "EJ257"
• 2004-2004: WRX STI; 4 Cyl 2.5L; "EJ257"
• 1999-2001: L; 4 Cyl 2.2L;
• 1999-2001: Outback; 4 Cyl 2.2L;

Fits 18 more submodels. (Show All) Show less info

DENSO Corporation
DENSO Corporation, headquartered in Kariya, Aichi Japan, is the number one global automotive supplier of advanced technology, systems and components in the areas of thermal, powertrain control, electric, electronics and information and safety.

4 Pin Connector

• Fit Note: (Air Fuel Ratio Sensor)
• Location: Front
• Type: OE replacement
• Quantity Sold: Sold individually

Fits the following 2003-2004 Subaru Impreza submodels:

• 2004-2004: Outback; 4 Cyl 2.5L; "Naturally Aspirated"
• 2004-2004: RS; 4 Cyl 2.5L; "Naturally Aspirated"

• 2004-2004: TS; 4 Cyl 2.5L; "Naturally Aspirated"
• 2004-2004: WRX STI; 4 Cyl 2.5L; "Naturally Aspirated"
• 2003-2003: All Submodels; All Engines;
• 2003-2003: Outback; 4 Cyl 2.5L;
• 2003-2003: RS; 4 Cyl 2.5L;
• 2003-2003: TS; 4 Cyl 2.5L;

Fits 6 more submodels. (Show All) Show less info

WALKER PRODUCTS OXYGEN SENSOR

Walker Products Oxygen Sensors are made to improve engine response and performance. Their typical life expectancy ranges from 30,000 to 60,000 miles if accompanied with regular preventive maintenance while heated oxygen sensors can last 100,000 miles or more.

Specifications:

• 5-wire
• 25.5 in. length

Features:

• Improves car's engine response and gas mileage
• Effectively lowers emissions upon replacing its tired old oxygen sensor
• Exceeds OE specifications and test requirements

• Location: Before Catalytic Converter
• Type: 5-wire, OE replacement
• Quantity Sold: Sold individually

Fits the following 2000-2002 Subaru Impreza submodels:

• 2002-2002: Outback; 4 Cyl 2.5L; "GAS, FI, EJ251, Naturally Aspirated"
• 2002-2002: TS; 4 Cyl 2.5L; "GAS, FI, EJ251, Naturally Aspirated"

• 2001-2002: RS; 4 Cyl 2.5L; "GAS, FI, EJ251, Naturally Aspirated"
• 2000-2000: RS; 4 Cyl 2.5L; "GAS, FI, EJ251, Naturally Aspirated, VIN 6"

Fits 2 more submodels. (Show All) Show less info

NTK SUPER CLASS OE IDENTICAL OXYGEN SENSOR

NTK Oxygen Sensor combines expertise with innovation in order to control the fuel and ignition systems to optimize a car's performance in the areas of emissions and fuel economy.

Specifications:

• 4-wire
• 37.8 in. wire length
• Non-flanged
• Heated

Features:

• Precision manufactured with a sensing element incorporating NTK's premier technical ceramics
• Delivers superior fit, form, and function
• Extensively tested to guarantee quality and reliability

Supplied with a factory-fitted OEM connector for easy installation. Direct plug-in, no cutting or splicing required.

• Fit Note: OEM# : 22641AA420, 22641AA510, 22690AA850, 22690AA900
• Location: Before Catalytic Converter
• Type: 4-wire, OE replacement, 37.8 in.
• Quantity Sold: Sold individually
• Warranty: NGK limited warranty

Fits the following 2004-2010 Subaru Impreza submodels:

• 2010-2010: WRX Premium; All Engines;
• 2010-2010: WRX STI Special Edition; All Engines;

• 2009-2010: 2.5 GT; All Engines;
• 2006-2010: WRX Limited; All Engines;
• 2006-2010: WRX STI; All Engines;
• 2006-2010: WRX; All Engines;
• 2007-2007: WRX STI Limited; All Engines;
• 2006-2007: WRX TR; All Engines;
• 2004-2005: WRX STI; 4 Cyl 2.5L; "EJ257"
• 2004-2004: WRX STI; 4 Cyl 2.5L; "EJ255"

Fits 8 more submodels. (Show All) Show less info

DELPHI OXYGEN SENSORS, 4-WIRE -- 22.05 in. overall length, 18 x 1.5 mm thread size, 0.88 in. wrench size, square-4 blade connector type, 100,000 miles inspection interval, heated; OE connectors and wire length are within 3 inches of OE specifications; Unique sensor coatings to resist contamination and ensures long lasting reliable operation; With 1-year or 12,000-mile Delphi warranty.

• Location: Front
• Type: 4-wire, OE replacement
• Quantity Sold: Sold individually
• Warranty: 1-year or 12,000-mile Delphi limited warranty

Fits the following 2003-2004 Subaru Impreza submodels:

• 2003-2004: Outback; 4 Cyl 2.5L; "EJ251, Naturally Aspirated"
• 2003-2004: RS; 4 Cyl 2.5L; "EJ251, Naturally Aspirated"

• 2003-2004: TS; 4 Cyl 2.5L; "EJ251, Naturally Aspirated"

Fits 1 more submodels. (Show All) Show less info

AC DELCO OXYGEN SENSOR ASSEMBLY

4-wire, heated, position 1; A high quality, OE replacement oxygen sensor assembly; Replaces OE part number 19107194; With 12-month, unlimited-mileage AC Delco warranty.

• Fit Note: Car, In Exhaust Manifold/Crossover
• Type: 4-wire, OE replacement
• Quantity Sold: Sold individually
• Warranty: 12-month, unlimited-mileage AC Delco warranty

Fits the following 2003-2004 Subaru Impreza submodels:

• 2003-2004: Outback; 4 Cyl 2.5L; "GAS, FI, EJ251, Naturally Aspirated"
• 2003-2004: RS; 4 Cyl 2.5L; "GAS, FI, EJ251, Naturally Aspirated"

• 2003-2004: TS; 4 Cyl 2.5L; "GAS, FI, EJ251, Naturally Aspirated"

Fits 1 more submodels. (Show All) Show less info

STANDARD OXYGEN SENSOR, SOLD INDIVIDUALLY

4-wire, 21.4 in. length, 4 terminals, male connector, air-fuel design, female terminal, blade socket terminal type; A high quality, OE replacement oxygen sensor.

• Location: Before Catalytic Converter
• Type: 4-wire, OE replacement
• Quantity Sold: Sold individually
• Warranty: 3-year or 36,000-mile Standard limited warranty

Fits the following 2002-2005 Subaru Impreza submodels:

• 2005-2005: Outback Sport; All Engines;
• 2002-2004: Outback; All Engines;