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2003 Ford Focus Oxygen Sensor

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Denso Oxygen Sensor - Downstream
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Sale Price: $90.23
(>35) In Stock
Part Number: 5420-05205429
Notes: OE Style -- Loc. After Cat; O.E. Quality Replacement Sensor
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

Denso Oxygen Sensor - Downstream
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Sale Price: $80.23
(>35) In Stock
Part Number: 5420-05205428
Notes: OE Style -- Loc. In Catalyst; O.E. Quality Replacement Sensor
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

Denso Oxygen Sensor - Upstream
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Sale Price: $38.23
(>35) In Stock
Part Number: 5420-05169384
Notes: OE Style -- Loc. Manifold; O.E. Quality Replacement Sensor
Position: Upstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

Denso Oxygen Sensor - Downstream
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Denso 234-4609
Oxygen Sensor
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Sale Price: $29.23
(>35) In Stock
Part Number: 5420-05051642
Notes: OE Style -- O.E. Quality Replacement Sensor
Features:
  • Designed to detect the amount of oxygen in the exhaust system
  • Constructed from high quality material
  • Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
  • Manufactured with precision to meet OE standards
  • Easy installation
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl SOHC 

Denso Oxygen Sensor - Downstream
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Sale Price: $44.23
(>35) In Stock
Part Number: 5420-05051641
Notes: OE Style -- O.E. Quality Replacement Sensor
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl DOHC 

Denso Oxygen Sensor - Upstream
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Denso 234-4045
Oxygen Sensor
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Sale Price: $28.23
(>35) In Stock
Part Number: 5420-05051551
Notes: OE Style -- O.E. Quality Replacement Sensor
Features:
  • Designed to detect the amount of oxygen in the exhaust system
  • Constructed from high quality material
  • Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
  • Manufactured with precision to meet OE standards
  • Easy installation
Position: Upstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl DOHC 
• 2003 Ford Focus 2.0L 4 Cyl SOHC 

Denso Oxygen Sensor - Downstream
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Denso 234-4210
Oxygen Sensor
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Sale Price: $39.23
(>35) In Stock
Part Number: 5420-05051630
Notes: Universal -- O.E. Quality Replacement Sensor
Features:
  • Manufactured to the highest O.E. quality, guaranteed to fit right
  • Aluminum oxide trap, this extra layer helps to protect from silicone and lead poisoning
  • Stainless steel housing and porous Teflon filter all contribute to make a long life
  • Improved engine performance and greater fuel efficiency
  • Prevents premature sensor failure
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl DOHC 
• 2003 Ford Focus 2.0L 4 Cyl SOHC 

Bosch Oxygen Sensor - Downstream
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Bosch 15718
Oxygen Sensor
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Sale Price: $31.23
(>35) In Stock
Part Number: 5420-05020842
Notes: OE Style Oxygen Sensor -- Alternative fit 1; OE manufactured part
Features:
  • Protection tube ensures 100% accurate sensor performance
  • Double laser-welded stainless steel body is totally submersible to seal tight and protect against contamination for long life
  • Fast-acting heater optimizes sensor operation (on3- and 4- wire sensors only)
  • Coated threads for easy installation
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl VIN: P 

Bosch Oxygen Sensor - Upstream
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Bosch 15718
Oxygen Sensor
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Sale Price: $31.23
(>35) In Stock
Part Number: 5420-05020842
Notes: OE Style Oxygen Sensor -- Alternative fit 1; OE manufactured part
Features:
  • Protection tube ensures 100% accurate sensor performance
  • Double laser-welded stainless steel body is totally submersible to seal tight and protect against contamination for long life
  • Fast-acting heater optimizes sensor operation (on3- and 4- wire sensors only)
  • Coated threads for easy installation
Position: Upstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl VIN: 3 
• 2003 Ford Focus 2.0L 4 Cyl VIN: 5 
• 2003 Ford Focus 2.0L 4 Cyl VIN: P 

Bosch Oxygen Sensor - Downstream
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Bosch 15717
Oxygen Sensor
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Sale Price: $32.23
(>35) In Stock
Part Number: 5420-05020841
Notes: OE Style Oxygen Sensor -- Exact fit; OE manufactured part
Features:
  • Protection tube ensures 100% accurate sensor performance
  • Double laser-welded stainless steel body is totally submersible to seal tight and protect against contamination for long life
  • Fast-acting heater optimizes sensor operation (on3- and 4- wire sensors only)
  • Coated threads for easy installation
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl VIN: P 

Bosch Oxygen Sensor - Upstream
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Bosch 15717
Oxygen Sensor
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Sale Price: $32.23
(>35) In Stock
Part Number: 5420-05020841
Notes: OE Style Oxygen Sensor -- Exact fit; OE manufactured part
Features:
  • Protection tube ensures 100% accurate sensor performance
  • Double laser-welded stainless steel body is totally submersible to seal tight and protect against contamination for long life
  • Fast-acting heater optimizes sensor operation (on3- and 4- wire sensors only)
  • Coated threads for easy installation
Position: Upstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl VIN: 3 
• 2003 Ford Focus 2.0L 4 Cyl VIN: 5 
• 2003 Ford Focus 2.0L 4 Cyl VIN: P 

Bosch Oxygen Sensor - Downstream
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Sale Price: $65.23
(3) In Stock
Part Number: 5420-05276336
Notes: OE Style Oxygen Sensor -- Located After Primary Converter; OE sensor technology
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

Bosch Oxygen Sensor - Downstream
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Sale Price: $41.23
(7) In Stock
Part Number: 5420-05267151
Notes: OE Style Oxygen Sensor -- Located After Secondary Converter; OE sensor technology
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

Bosch Oxygen Sensor - Upstream
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Sale Price: $55.23
(5) In Stock
Part Number: 5420-05267160
Notes: OE Style Oxygen Sensor -- Located in Exhaust Manifold; OE sensor technology
Position: Upstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

Bosch Oxygen Sensor - Downstream
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Bosch 15719
Oxygen Sensor
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Sale Price: $32.23
(22) In Stock
Part Number: 5420-05020843
Notes: OE Style Oxygen Sensor -- OE manufactured part
Features:
  • Protection tube ensures 100% accurate sensor performance
  • Double laser-welded stainless steel body is totally submersible to seal tight and protect against contamination for long life
  • Fast-acting heater optimizes sensor operation (on3- and 4- wire sensors only)
  • Coated threads for easy installation
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl VIN: 3 
• 2003 Ford Focus 2.0L 4 Cyl VIN: 5 

Bosch Oxygen Sensor - Downstream
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Bosch 15729
Oxygen Sensor
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Sale Price: $38.23
(7) In Stock
Part Number: 5420-05020847
Notes: Universal Oxygen Sensor -- OE manufactured part
Features:
  • Revolutionary patented submersible connection system protects against water and contamination and withstands the effects of extreme temperature and engine vibration
  • Special heat-resistant Posi-Lock connectors ensure easy installation
  • User-friendly instructions eliminate the need to call a hotline for assistance
  • Coated threads for easy installation
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl VIN: 3 
• 2003 Ford Focus 2.0L 4 Cyl VIN: 5 
• 2003 Ford Focus 2.0L 4 Cyl VIN: P 

Bosch Oxygen Sensor - Upstream
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Bosch 15729
Oxygen Sensor
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Sale Price: $38.23
(7) In Stock
Part Number: 5420-05020847
Notes: Universal Oxygen Sensor -- OE manufactured part
Features:
  • Revolutionary patented submersible connection system protects against water and contamination and withstands the effects of extreme temperature and engine vibration
  • Special heat-resistant Posi-Lock connectors ensure easy installation
  • User-friendly instructions eliminate the need to call a hotline for assistance
  • Coated threads for easy installation
Position: Upstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl VIN: 3 
• 2003 Ford Focus 2.0L 4 Cyl VIN: 5 
• 2003 Ford Focus 2.0L 4 Cyl VIN: P 

Motorcraft Oxygen Sensor - Rear
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Retail Price:
$63.25
Sale Price: $53.33
(2) In Stock
Part Number: W0133-1775854
Notes: OE Connector
Position: Rear
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
OEM
This Product Fits the Following: Warehouse: A
Vehicle Engine
• 2003 Ford Focus VIN: 5 

Motorcraft Oxygen Sensor - Upstream Front
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Motorcraft DY-1040
Oxygen Sensor
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Sale Price: $42.23
(>35) In Stock
Part Number: 5420-05047935
Notes: Oxygen Sensor
Features:
  • Measures the amount of oxygen in the exhaust stream
  • Ensures long lasting durability
  • Reliable performance
  • Offers superior quality life
  • Resists corrosion and abrasion
Position: Upstream Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl 

Motorcraft Oxygen Sensor - Downstream
Image is not vehicle specific
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Sale Price: $52.23
(5) In Stock
Part Number: 5420-05047957
Notes: Oxygen Sensor -- 1M5F-9G444-AA
Features:
  • Measures the amount of oxygen in the exhaust stream
  • Ensures long lasting durability
  • Reliable performance
  • Offers superior quality life
  • Resists corrosion and abrasion
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl DOHC 

Motorcraft Oxygen Sensor - Upstream Front
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Sale Price: $62.23
(5) In Stock
Part Number: 5420-05047937
Notes: Oxygen Sensor -- 3S4A-9F472-CB
Features:
  • Measures the amount of oxygen in the exhaust stream
  • Ensures long lasting durability
  • Reliable performance
  • Offers superior quality life
  • Resists corrosion and abrasion
Position: Upstream Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

Motorcraft Oxygen Sensor - Downstream
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Sale Price: $90.23
(7) In Stock
Part Number: 5420-05047932
Notes: Oxygen Sensor -- 3S4A-9G444-AA; Located In Converter
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

Motorcraft Oxygen Sensor - Downstream
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Sale Price: $42.23
(17) In Stock
Part Number: 5420-05047952
Notes: Oxygen Sensor -- 98AB-9G444-BB
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl SOHC 

Delphi Oxygen Sensor - Center
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Sale Price: $80.23
with FREE Shipping
(6) In Stock
Part Number: 5420-05168123
Notes: Oxygen Sensor -- Harness Length: 320 mm; Wrench Size: 7/8 in.
Position: Center
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

Delphi Oxygen Sensor - Front
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Sale Price: $32.23
(>35) In Stock
Part Number: 5420-05167985
Notes: Oxygen Sensor -- Wrench Size: 7/8 in.
Position: Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Sub Model Engine
• 2003 Ford Focus LX  2.0L 4 Cyl VIN: P 
• 2003 Ford Focus SE  2.0L 4 Cyl VIN: 3 
• 2003 Ford Focus SE  2.0L 4 Cyl VIN: P 
• 2003 Ford Focus SVT  2.0L 4 Cyl VIN: 5 
• 2003 Ford Focus ZTS  2.0L 4 Cyl VIN: 3 
• 2003 Ford Focus ZTW  2.0L 4 Cyl VIN: 3 
• 2003 Ford Focus ZX3  2.0L 4 Cyl VIN: 3 
• 2003 Ford Focus ZX5  2.0L 4 Cyl VIN: 3 

Delphi Oxygen Sensor - Front
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Sale Price: $51.23
(17) In Stock
Part Number: 5420-05167832
Notes: Oxygen Sensor -- Wrench Size: 7/8 in.
Position: Front
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Sub Model Engine
• 2003 Ford Focus LX  2.3L 4 Cyl VIN: Z 
• 2003 Ford Focus SE  2.3L 4 Cyl VIN: Z 
• 2003 Ford Focus ZTS  2.3L 4 Cyl VIN: Z 
• 2003 Ford Focus ZTW  2.3L 4 Cyl VIN: Z 
• 2003 Ford Focus ZX3  2.3L 4 Cyl VIN: Z 
• 2003 Ford Focus ZX5  2.3L 4 Cyl VIN: Z 

Delphi Oxygen Sensor - Rear
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Sale Price: $56.23
(21) In Stock
Part Number: 5420-05167830
Notes: Oxygen Sensor -- Wrench Size: 7/8 in.
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Sub Model Engine
• 2003 Ford Focus LX  2.3L 4 Cyl VIN: Z 
• 2003 Ford Focus SE  2.3L 4 Cyl VIN: Z 
• 2003 Ford Focus ZTS  2.3L 4 Cyl VIN: Z 
• 2003 Ford Focus ZTW  2.3L 4 Cyl VIN: Z 
• 2003 Ford Focus ZX3  2.3L 4 Cyl VIN: Z 
• 2003 Ford Focus ZX5  2.3L 4 Cyl VIN: Z 

Delphi Oxygen Sensor - Rear
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Sale Price: $33.23
(13) In Stock
Part Number: 5420-05167920
Notes: Oxygen Sensor -- Wrench Size: 7/8 in.; Actual OE Part
Position: Rear
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Sub Model Engine
• 2003 Ford Focus SE  2.0L 4 Cyl VIN: 3 
• 2003 Ford Focus SVT  2.0L 4 Cyl VIN: 5 
• 2003 Ford Focus ZTS  2.0L 4 Cyl VIN: 3 
• 2003 Ford Focus ZTW  2.0L 4 Cyl VIN: 3 
• 2003 Ford Focus ZX3  2.0L 4 Cyl VIN: 3 
• 2003 Ford Focus ZX5  2.0L 4 Cyl VIN: 3 

NGK Oxygen Sensor
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Sale Price: $40.23
(12) In Stock
Part Number: 5420-05433312
Notes: OE Type Oxygen Sensor -- Downstream Attaches Below Heat Shield After Catalyst; NTK is Original Equipment
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

NGK Oxygen Sensor
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Sale Price: $61.23
(12) In Stock
Part Number: 5420-05433348
Notes: OE Type Oxygen Sensor -- Downstream Attaches Through Heat Shield in Catalyst; NTK is Original Equipment
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

NGK Oxygen Sensor
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NGK 22500
Oxygen Sensor
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Sale Price: $37.23
(31) In Stock
Part Number: 5420-05433354
Notes: OE Type Oxygen Sensor -- Downstream; NTK is Original Equipment
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl SOHC 

NGK Oxygen Sensor
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Sale Price: $42.23
(13) In Stock
Part Number: 5420-05433341
Notes: OE Type Oxygen Sensor -- Downstream; NTK is Original Equipment
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl DOHC 

NGK Oxygen Sensor
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Sale Price: $53.23
(12) In Stock
Part Number: 5420-05433349
Notes: OE Type Oxygen Sensor -- Upstream Located in Manifold; NTK is Original Equipment
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

NGK Oxygen Sensor
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NGK 22060
Oxygen Sensor
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Sale Price: $35.23
(34) In Stock
Part Number: 5420-05433326
Notes: OE Type Oxygen Sensor -- Upstream; NTK is Original Equipment
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl 

Walker Products Oxygen Sensor - Center
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Retail Price:
$140.18
Sale Price: $60.33
(1) In Stock
Part Number: W0133-1895953
Notes: OE Connector
Position: Center
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Warehouse: A
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

Walker Products Oxygen Sensor - Front
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Retail Price:
$65.86
Sale Price: $59.33
(1) In Stock
Part Number: W0133-1894371
Notes: OE Connector
Detailed Notes: May also be referred to as a Air Fuel Ratio Sensor.
Position: Front
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Warehouse: A
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl 

Walker Products Oxygen Sensor - Rear
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Retail Price:
$79.40
Sale Price: $43.33
(8) In Stock
Part Number: W0133-1916882
Notes: OE Connector
Position: Rear
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Warehouse: A
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl 

NTK Oxygen Sensor - Front
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Retail Price:
$64.75
Sale Price: $58.33
(1) In Stock
Part Number: W0133-1808860
Notes: OE Connector
Position: Front
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
OEM
This Product Fits the Following: Warehouse: A
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl 

NTK Oxygen Sensor - Front
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Retail Price:
$96.31
Sale Price: $85.33
(1) In Stock
Part Number: W0133-1817852
Notes: OE Connector
Position: Front
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
OEM
This Product Fits the Following: Warehouse: A
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

NTK Oxygen Sensor - Rear
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Retail Price:
$131.40
Sale Price: $64.33
(3) In Stock
Part Number: W0133-1842543
Notes: OE Connector
Position: Rear
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
OEM
This Product Fits the Following: Warehouse: A
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

ACERA Oxygen Sensor - Rear
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Retail Price:
$63.25
Sale Price: $38.33
(3) In Stock
Part Number: W0133-1969669
Notes: OE Connector
Position: Rear
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Warehouse: A
Vehicle Engine
• 2003 Ford Focus VIN: 5 

ACERA Oxygen Sensor - Rear
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(Read reviews)
Retail Price:
$63.25
Sale Price: $38.33
(2) In Stock
Part Number: W0133-2035194
Notes: OE Connector
Product Remark: Gunmetal/Bronze Housing
Position: Rear
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Warehouse: A
Vehicle Engine
• 2003 Ford Focus VIN: 5 

ACERA Oxygen Sensor - Front
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(Read reviews)
Retail Price:
$62.95
Sale Price: $38.33
(2) In Stock
Part Number: W0133-2035194
Notes: OE Connector
Product Remark: Gunmetal/Bronze Housing
Position: Front
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Warehouse: A
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl 

ACERA Oxygen Sensor - Front
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(Read reviews)
Retail Price:
$62.95
Sale Price: $38.33
(3) In Stock
Part Number: W0133-1969669
Notes: OE Connector
Position: Front
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Warehouse: A
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl 

Walker Oxygen Sensor - Downstream
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Sale Price: $77.23
(>35) In Stock
Part Number: 5420-05239024
Notes: Walker
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl VIN: 3 FI Naturally Aspirated GAS 
• 2003 Ford Focus 2.0L 4 Cyl VIN: 5 FI Naturally Aspirated GAS 
• 2003 Ford Focus 2.0L 4 Cyl VIN: P FI Naturally Aspirated GAS 

Walker Oxygen Sensor - Upstream
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Sale Price: $36.23
(>35) In Stock
Part Number: 5420-05239142
Notes: Walker
Position: Upstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl VIN: 3 FI Naturally Aspirated GAS 
• 2003 Ford Focus 2.0L 4 Cyl VIN: 5 FI Naturally Aspirated GAS 
• 2003 Ford Focus 2.0L 4 Cyl VIN: P FI Naturally Aspirated GAS 

Walker Oxygen Sensor - Center
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Sale Price: $72.23
(>35) In Stock
Part Number: 5420-05239287
Notes: Walker
Position: Center
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl VIN: Z FI Naturally Aspirated GAS 

Walker Oxygen Sensor - Downstream
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Sale Price: $57.23
(>35) In Stock
Part Number: 5420-05239291
Notes: Walker
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl VIN: Z FI Naturally Aspirated GAS 

Walker Oxygen Sensor - Upstream
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(Read reviews)
Sale Price: $52.23
(>35) In Stock
Part Number: 5420-05243471
Notes: Walker
Position: Upstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl VIN: Z FI Naturally Aspirated GAS 

SNG Oxygen Sensor - Front
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(Read reviews)
Retail Price:
$62.95
Sale Price: $35.33

Out of Stock
Part Number: W0133-1836423
Notes: Universal
Position: Front
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Product Fits the Following: Warehouse: A
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl 

AC Delco Oxygen Sensor - Downstream
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(Read reviews)
Sale Price: $47.23

Out of Stock
Part Number: 5420-05404813
Notes: Professional
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl VIN: 3 FI Naturally Aspirated GAS 
• 2003 Ford Focus 2.0L 4 Cyl VIN: 5 FI Naturally Aspirated GAS 
• 2003 Ford Focus 2.0L 4 Cyl VIN: P FI Naturally Aspirated GAS 

Motorcraft Oxygen Sensor - Downstream
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(Read reviews)
Sale Price: $85.23

Out of Stock
Part Number: 5420-05048039
Notes: Oxygen Sensor -- 1R3A-9G444-CB; Located In Pipe, Bottom Of Converter
Features:
  • Measures the amount of oxygen in the exhaust stream
  • Ensures long lasting durability
  • Reliable performance
  • Offers superior quality life
  • Resists corrosion and abrasion
Position: Downstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.3L 4 Cyl 

Standard Motor Products Oxygen Sensor - Upstream
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(Read reviews)
Sale Price: $40.23

Out of Stock
Part Number: 5420-05064197
Notes: Oxygen Sensor
Position: Upstream
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Ford Focus 2.0L 4 Cyl 

4.9 stars - (86 Reviews)
Reviews
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Oxygen Sensor Reviews - 2003 Ford Focus
Denso | 234-4045
 


Parts geek has been great with getting the parts I have ordered out to me quickly with no problems. I will continue to use them for most of my car part needs.


May 10th, 2014 | Posted by Focus Parts

Denso | 234-4045
 


Part shipped really fast. Good quality part, easy to find, easy to install.


February 9th, 2015 | Posted by Jazzy



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