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BMW 323i Oxygen Sensor

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BMW 323i Oxygen Sensor, Replacement Before Catalytic Converter Oxygen Sensor - 4-wire, Minor Modifications

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$36.49 $43.06 You Save $6.57 (15%)
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UNIVERSAL TYPE 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

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  • Brand SKU#: Replacement USOS-4000
  • Location: Before Catalytic Converter
  • Type: 4-wire
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Includes: Butt type connectors, without plug
  • Mounting Style: Threaded-in
  • Notes: Designed to fit screw-in type bungs; May not be compatible with flanges
  • Warranty: 1-year, unlimited-mileage warranty
  • Wire Length: 5.91 in.
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Fits the following BMW 323i Years

  • 1998-2000 | All Submodels | All Engines

BMW 323i Oxygen Sensor, Denso Before Catalytic Converter Oxygen Sensor - 4-wire, Direct Fit

$56.65 $66.85 You Save $10.20 (15%)
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DENSO SUPER CLASS FIRST TIME FIT OXYGEN SENSOR

Denso Super Class First Time Fit Oxygen Sensors are specifically designed to meet the challenging demands of today's engines. Each of Denso's Oxygen Sensor is constructed from the highest quality materials available. Manufactured to the OE standards and subjected to rigorous safety and performance tests.

Specifications:
  • 4-wire
  • 13.4 in. lead wire

Features:
  • Constructed from high quality stainless steel, porous polytetrafluoroethylene, fluorine rubber, aluminum oxide, high-grade platinum, and ceramics
  • Double protection layer
  • Aluminum oxide trap layer
  • Porous PTFE filter
  • Stainless steel housing
This part does not require wire cutting.

  • Brand SKU#: Denso 234-4672
  • Location: Before Catalytic Converter
  • Type: 4-wire
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Warranty: 1 year Denso limited warranty
  • Wire Length: 13.4 in.
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Fits the following BMW 323i Years

  • 1999-2000 | Base | 6 Cyl 2.5L

BMW 323i Oxygen Sensor, Bosch Downstream Oxygen Sensor - 4-wire, Minor Modifications

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$57.61 $104.73 You Save $47.12 (45%)
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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
  • 27.2 in.
  • Planar design

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.

  • Brand SKU#: Bosch 15733
  • Location: Downstream
  • Type: 4-wire
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Warranty: 1 year or unlimited-mileage Bosch limited warranty
  • Wire Length: 27.2 in.
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Fits the following BMW 323i Years

  • 2006-2011 | Base | 6 Cyl 2.5L

BMW 323i Oxygen Sensor, NTK After Catalytic Converter Oxygen Sensor - 4-wire, Direct Fit

$80.93 $228.55 You Save $147.62 (65%)
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NTK SUPER CLASS OE IDENTICAL OXYGEN SENSOR

NTK Oxygen Sensors are platinum coated for durability, quality, and expertise with innovation in order to control the fuel and ignition system. Optimize vehicle's performance in the areas of emission and fuel economy.

Specifications:
  • 4-wire
  • 38.98 in. wire length
  • Non-flanged
  • 0-1 V voltage range
  • Thread-in mounting style
  • Includes wiring harness

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

Direct plug-in and requires no cutting or splicing for installation.

  • Brand SKU#: NTK 25013
  • Location: After Catalytic Converter
  • Type: 4-wire
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Mounting Style: Non-flanged
  • Notes: Ships to U.S. addresses only. Cannot be shipped internationally.
  • Warranty: NGK limited warranty
  • Wire Length: 38.98 in.
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Fits the following BMW 323i Years

  • 1998-1999 | Base | 6 Cyl 2.5L

BMW 323i Oxygen Sensor, Walker Products After Catalytic Converter Oxygen Sensor - 4-wire, Direct Fit

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$83.18 $98.15 You Save $14.97 (15%)
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WALKER PRODUCTS OXYGEN SENSOR, 4-WIRE -- 39 in. L; Terminated; A high quality, direct fit OE replacement oxygen sensor; Improves car's engine response and gas mileage; Effectively lowers emissions upon replacing its tired old oxygen sensor; Exceeds OE specifications and test requirements; OE part number 11781437943.
  • Brand SKU#: Walker Products 250-24810
  • Location: After Catalytic Converter
  • Type: 4-wire
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
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Fits the following BMW 323i Years

  • 1998 | Base | 6 Cyl 2.5L
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BMW 323i Oxygen Sensor, Delphi Rear Oxygen Sensor - 4-wire, Direct Fit

$71.26 $84.09 You Save $12.83 (15%)
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DELPHI OXYGEN SENSORS, 4-WIRE -- 38.98 in. overall length, 18 x 1.5 mm thread size, 0.88 in. wrench size, round-4 pin 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.
  • Brand SKU#: Delphi ES10857
  • Location: Rear
  • Type: 4-wire
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Thread Size: 18 x 1.5 mm
  • Warranty: 1-year or 12,000-mile Delphi limited warranty
  • Wire Length: 38.98 in.
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Fits the following BMW 323i Years

  • 1999-2000 | Base | 6 Cyl 2.5L

BMW 323i Oxygen Sensor, Standard Before Catalytic Converter Oxygen Sensor - 4-wire, Direct Fit

$127.30 $150.21 You Save $22.91 (15%)
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STANDARD OXYGEN SENSOR, SOLD INDIVIDUALLY

4-wire, 19.4 in. length, 1 electrical connector, 4 terminals, male connector, heated design, female terminal, pin terminal type; A high quality, OE replacement oxygen sensor.

  • Brand SKU#: Standard SG1108
  • Location: Before Catalytic Converter
  • Type: 4-wire
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Connector Gender: Male
  • Warranty: 3-year or 36,000-mile Standard limited warranty
  • Wire Length: 19.4 in.
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Fits the following BMW 323i Years

  • 2000 | Base | 6 Cyl 2.5L

BMW 323i Oxygen Sensor, Spectra Upstream Oxygen Sensor - Direct Fit new

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$64.78 $76.44 You Save $11.66 (15%)
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SPECTRA PREMIUM – OXYGEN SENSORS

Arm your emissions control system with one of Spectra Premium’s oxygen sensors. They’re designed to fit just right and properly detect your engine’s oxygen levels for a perfect air and gasoline ratio. Spectra Premium is respected in the automotive aftermarket for producing high-quality OE replacement radiators, fuel tanks and related parts.

  • Engineered to hold up against harsh environment
  • Maximum performance guaranteed by thorough testing procedures
  • All parts coated with anti-seize compound
  • Electrical connectors fit just right with your original harness
  • Connectors are impermeable to water
  • Comes with push-in clips, rubber grommets and tie wraps
  • Protective cap prevents contamination
  • Brand SKU#: Spectra OS5006
  • Location: Upstream
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: 1-2 Business Days
  • Replaces OE Number: 11781247406
  • Warranty: 1-year Spectra limited warranty
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Fits the following BMW 323i Years

  • 1999 | Base | 6 Cyl 2.5L
  • 2000 | Base | 6 Cyl 2.5L

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