Top 10 Denso O2 Sensor Upstream – Automotive Replacement Oxygen Sensors

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1. Denso

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DDenso 234-9051 Upstream 4-Wire 8.5” Air Fuel Ratio Sensor

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Denso #ad - Manufactured to detect the amount of exhaust gas air fuel ratio. Features zirconia solid electrolyte. Easy installation. Constructed from durable material. Highly accurate; Thread Diameter: 18mm.
BrandDenso #ad
ManufacturerDenso #ad
Height0 Inches
Length0 Inches
Weight0.25 Pounds
Width0 Inches
Part Number234-9051
Model234-9051
WarrantyLIMITED WARRANTY

2. Denso

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Denso 234-9021 Upstream Heated Oxygen Sensor with 4-Wire Plug and 14.17” Harness

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Denso #ad - Features zirconia solid electrolyte. Highly accurate. Constructed from durable material. Easy installation. Manufactured to detect the amount of exhaust gas air fuel ratio.
BrandDenso #ad
ManufacturerDenso #ad
Height0 Inches
Length0 Inches
Weight0.26 Pounds
Width0 Inches
Part Number234-9021
Model234-9021
WarrantyLIMITED WARRANTY

3. Denso

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DENSO 234-9022 Air Fuel Ratio Sensor

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Denso #ad - Please note: due to our high sales volume, it may take up to 2-business days for us to reply to all questions and/or requests. Please reference the submodel information located on the far left within the Compatibility table under "Notes". Many products require vehicle-specific fitment. View the compatibility table to ensure the part fits your year, make, model and submodel. We do not offer shipping to APO/FPO.
BrandDenso #ad
ManufacturerDenso #ad
Height0 Inches
Length0 Inches
Weight0.25 Pounds
Width0 Inches
Part Number234-9022
Model234-9022

4. Denso

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Denso 234-4669 Upstream Oxygen Sensor with 14.5” 4-Wire Harness and Trapezoid-Shape Plug

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Denso #ad - Constructed from high quality material. Designed to detect the amount of oxygen in the exhaust system. Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing. Manufactured with precision to meet OE standards. Easy installation.
BrandDenso #ad
ManufacturerDenso #ad
Height0 Inches
Length0 Inches
Weight0.65 Pounds
Width0 Inches
Part Number234-4669
Model234-4669
WarrantyLIMITED WARRANTY

5. Denso

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Denso 234-4622 Downstream Oxygen Sensor with 4-Terminal Plug, Black

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Denso #ad - The type of sensor is thimble and the thread diameter is 18mm. Manufactured with precision to meet OE standards. The mounting type is threaded. Constructed from high quality material. Easy installation. Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing. Designed to detect the amount of oxygen in the exhaust system. Note:kindly refer to the user manual provided as a PDF manual in the product description section. Material- Zirconium.
BrandDenso #ad
ManufacturerDenso #ad
Height0 Inches
Length0 Inches
Weight0.25 Pounds
Width0 Inches
Part Number234-4622
Model234-4622
WarrantyLIMITED WARRANTY

6. Denso

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Denso 2349036 Oxygen Sensor

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Denso #ad - Part number: 2349036. Included components: OXYGEN SENSOR. Efficient Fuel Consumption. Package weight: 075 pounds.
BrandDenso #ad
ManufacturerDenso #ad
Height0 Inches
Length0 Inches
Weight0.27 Pounds
Width0 Inches
Part Number2349036
Model2349036
WarrantyLIMITED WARRANTY

7. Denso

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Denso 234-9122 Oxygen Sensor Air and Fuel Ratio Sensor

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Denso #ad - Highly accurate. Features zirconia solid electrolyte. Easy installation. Manufactured to detect the amount of exhaust gas air fuel ratio. Constructed from durable material.
BrandDenso #ad
ManufacturerDenso #ad
Height0 Inches
Length0 Inches
Weight0.1 Pounds
Width0 Inches
Part Number2349122
Model234-9122
WarrantyLIMITED WARRANTY

8. Walker Products

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Original Equipment Replacement Upstream O2 Sensor, 1 Pack, Walker Products 350-35009 Oxygen Sensor

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Walker Products #ad - Fit type: Vehicle Specific. O2 sensor is manufactured to meet and exceed OE specifications, decrease emissions, increase fuel efficiency, and improve engine performance. Industry leading oem and Aftermarket Oxygen Sensor O2 Sensor Program. Backed by walker Products buyer protection for worry free installation and performance. Replacement: 17179 oxygen Sensor, 234-5060 .
BrandWalker Products #ad
ManufacturerWalker Products #ad
Height5.85 Inches
Length2.15 Inches
Width1.95 Inches
Part Number350-35009
Model350-35009 O2 Sensor
WarrantyWarranty

9. Denso

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Denso 234-4122 Upstream Oxygen Sensor with 21” 4-Wire Harness Female Plug

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Denso #ad - Manufactured with precision to meet OE standards. Honda: 36531plra01, 36532paal41, 36532pndA01. Constructed from high quality material. Easy installation. Efficient Fuel Consumption.
BrandDenso #ad
ManufacturerDenso #ad
Height0 Inches
Length0 Inches
Weight0.1 Pounds
Width0 Inches
Part Number234-4122
Model234-4122

10. Denso

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Denso 234-2003 Oxygen Sensor

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Denso #ad - Constructed from high quality material. Efficient Fuel Consumption. Manufactured with precision to meet OE standards. Easy installation.
BrandDenso #ad
ManufacturerDenso #ad
Height0 Inches
Length0 Inches
Weight0.25 Pounds
Width0 Inches
Part Number234-2003
Model234-2003
WarrantyLIMITED WARRANTY