20 Best Denso 234 9040 [2024]

Are you looking for the best Denso 234 9040? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Denso 234 9040.

We Recommended:

# Preview Product
1 Denso 234-9040 Air Fuel Ratio Sensor Denso 234-9040 Air Fuel Ratio Sensor
2 Denso 234-4797 Oxygen Sensor Denso 234-4797 Oxygen Sensor
3 Automotive-leader 2Pcs 234-9040+234-4797 O2 Oxygen Sensor Upstream Sensor 1 Downstream Sensor 2 for... Automotive-leader 2Pcs 234-9040+234-4797 O2 Oxygen Sensor Upstream Sensor 1 Downstream Sensor 2...
4 Automotive-leader 234-9040 Air Fuel Ratio Oxygen O2 Sensor Upstream Sensor 1 Bank 1 AFR Compatible... Automotive-leader 234-9040 Air Fuel Ratio Oxygen O2 Sensor Upstream Sensor 1 Bank 1 AFR...
5 Denso 234-9047 Air Fuel Ratio Sensor Denso 234-9047 Air Fuel Ratio Sensor
6 Oxygen O2 Sensor Upstream 234-9040 Compatible with 2003 2004 2005 2006 2007 Honda Accord 2.4L L4... Oxygen O2 Sensor Upstream 234-9040 Compatible with 2003 2004 2005 2006 2007 Honda Accord 2.4L L4...
7 Denso 234-4623 Oxygen Sensor Denso 234-4623 Oxygen Sensor
8 Denso 234-4620 Oxygen Sensor Denso 234-4620 Oxygen Sensor
9 Oxygen O2 Sensor Upstream 234-9040 36531-RAA-A01 Compatible with Honda Accord 2.4L 2003 2004 2005... Oxygen O2 Sensor Upstream 234-9040 36531-RAA-A01 Compatible with Honda Accord 2.4L 2003 2004 2005...
10 Denso 234-4351 Oxygen Sensor (Air and Fuel Ratio Sensor) Denso 234-4351 Oxygen Sensor (Air and Fuel Ratio Sensor)
11 Amrxuts 234-9040 Upstream Air Fuel Ratio Sensor O2 Oxygen Sensor bank 1 Fits for 2003 2004 2005 2006... Amrxuts 234-9040 Upstream Air Fuel Ratio Sensor O2 Oxygen Sensor bank 1 Fits for 2003 2004 2005...
12 Denso 234-9010 Air Fuel Ratio Sensor Denso 234-9010 Air Fuel Ratio Sensor
13 Denso 234-9005 Oxygen Sensor Denso 234-9005 Oxygen Sensor
14 Denso 234-9021 Upstream Heated Oxygen Sensor with 4-Wire Plug and 14.17” Harness Denso 234-9021 Upstream Heated Oxygen Sensor with 4-Wire Plug and 14.17” Harness
15 Denso 234-9049 Air Fuel Sensor Denso 234-9049 Air Fuel Sensor
16 Denso Oxygen Sensor Pack of 1 Denso Oxygen Sensor Pack of 1
17 Denso 234-9004 Air Fuel Ratio Sensor Denso 234-9004 Air Fuel Ratio Sensor
18 Denso 234-5010 Air Fuel Ratio Sensor Denso 234-5010 Air Fuel Ratio Sensor
19 Oxygen O2 Sensor Downstream 234-4797 for Honda Accord 2.4L 2003 2004 2005 2006 2007 Oxygen O2 Sensor Downstream 234-4797 for Honda Accord 2.4L 2003 2004 2005 2006 2007
20 2pcs Upstream Downstream Oxygen Sensor Replacement for 2003-2007 Honda Accord 2.4L -234-9040... 2pcs Upstream Downstream Oxygen Sensor Replacement for 2003-2007 Honda Accord 2.4L -234-9040...
SaleBestseller No. 1
Denso 234-9040 Air Fuel Ratio Sensor
  • Manufactured to detect the amount of exhaust gas air fuel ratio
  • Constructed from durable material
  • Features zirconia solid electrolyte
  • Highly accurate
  • Easy installation
Bestseller No. 2
Denso 234-4797 Oxygen Sensor
  • Efficient Fuel Consumption
  • Easy installation
  • Constructed from high quality material
  • Manufactured with precision to meet OE standards
  • Fit type: Vehicle Specific
Bestseller No. 3
Automotive-leader 2Pcs 234-9040+234-4797 O2 Oxygen Sensor Upstream Sensor 1 Downstream Sensor 2 for...
  • 【Warranty】2 Years. (Improve fuel efficiency , Stable performance , Durable)
  • 【Placement on Vehicle】▲Sensor Type : Heated ▲1*234-9040 Upstream O2 Sensor 1 & 1*234-4797 Downstream Oxygen Sensor 2
  • 【Direct Fit Application】234-9040 upstream sensor 1 + 234-4797 downstream sensor 2 for 2003 Honda Accord DX - 2.4L Sedan; Exc. Calif. Emission...
  • 【Interchange Part Number】234-9040, 234-4797, 213-2856, 213-2893, 36531-RAA-A02, 36531-RAA-A01, 13704, 36532-RAA-A01, 36532-RAA-A02, 36532-RAA-A11
  • 【Service Guaranteed】100% must pass a rigorous professional practice loading test before sale and shipment.The rigorous and meticulous processing...
Bestseller No. 4
Automotive-leader 234-9040 Air Fuel Ratio Oxygen O2 Sensor Upstream Sensor 1 Bank 1 AFR Compatible...
  • 【Warranty】2 Years. (Improve fuel efficiency , Stable performance , Durable)
  • 【Placement on Vehicle】▲Upstream Sensor 1 /Front ▲Wire Quantity : 4 Wires ▲Wire Length : 390 mm. ▲Sensor Type : Heated
  • 【Interchange Part Number】234-9040, 234 9040, 2349040, 36531-RAA-A01, 36531 RAA A01, 36531RAAA02, 36531-RAA-A01, 36531 RAA A02, 36531RAAA02,...
  • 【Direct Fit Application】234-9040 air fuel ratio sensor upstream oxygen sensor 1 compatible for oxygen o2 sensor upstream 234-9040 for Honda Accord...
  • 【Service Guaranteed】100% must pass a rigorous professional practice loading test before sale and shipment.The rigorous and meticulous processing...
SaleBestseller No. 5
Denso 234-9047 Air Fuel Ratio Sensor
  • Efficient Fuel Consumption
  • Highly accurate
  • Easy installation
  • Constructed from durable material
SaleBestseller No. 6
Oxygen O2 Sensor Upstream 234-9040 Compatible with 2003 2004 2005 2006 2007 Honda Accord 2.4L L4...
  • ▲Tested Before On Sale.
  • ▲Easy Installation. It could correctly replace the original parts.
  • ▲Fitment Info In The Product description. Please confirm the model, displacement and year of your car before purchasing to avoid the extra losses.
  • ▲ Fast Shipment.
  • ▲If you have any questions, please tell us and we will give you satisfactory solutions in time.
SaleBestseller No. 7
Denso 234-4623 Oxygen Sensor
  • Efficient Fuel Consumption
  • Easy installation
  • Constructed from high quality material
  • Manufactured with precision to meet OE standards
SaleBestseller No. 8
Denso 234-4620 Oxygen Sensor
  • Efficient Fuel Consumption
  • Easy installation
  • Constructed from high quality material
  • Manufactured with precision to meet OE standards
Bestseller No. 9
Oxygen O2 Sensor Upstream 234-9040 36531-RAA-A01 Compatible with Honda Accord 2.4L 2003 2004 2005...
  • Part Number Fitment: 234-9040, 36531-RAA-A01, 36531-RAA-A02, 36531-RBB-003
  • Please confirm your car model and the OE of the part before purchasing to avoid buying the wrong.
  • Please confirm your part picture before purchasing to avoid buying the wrong.
  • It could correctly replace the original part.
  • Thank you!
SaleBestseller No. 10
Denso 234-4351 Oxygen Sensor (Air and Fuel Ratio Sensor)
  • 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
Bestseller No. 11
Amrxuts 234-9040 Upstream Air Fuel Ratio Sensor O2 Oxygen Sensor bank 1 Fits for 2003 2004 2005 2006...
  • ▶ FEATURES - Fix the check engine light issue, provide extreme durability for long life, improves fuel economy and lowers emission
  • ▶ WIRE LENGTH - 390mm ▶ FITMENT - 2003-2007 Accord 2.4L L4
  • ▶ THE PART NUMBER - 36531-RAA-A01 36531-RAA-A02 234-9040, please check it clearly and confirm suited to your needs
  • ▶ WARRANTY - Long lifetime and “1 YEAR” warranty, ▶ DIRECT FIT - Easy installation
Bestseller No. 12
Denso 234-9010 Air Fuel Ratio Sensor
  • Efficient Fuel Consumption
  • Highly accurate
  • Easy installation
  • Constructed from durable material
SaleBestseller No. 13
Denso 234-9005 Oxygen Sensor
  • Efficient Fuel Consumption
  • Highly accurate
  • Easy installation
  • Constructed from durable material
SaleBestseller No. 14
Denso 234-9021 Upstream Heated Oxygen Sensor with 4-Wire Plug and 14.17” Harness
  • Manufactured to detect the amount of exhaust gas air fuel ratio
  • Constructed from durable material
  • Features zirconia solid electrolyte
  • Highly accurate
  • Easy installation
Bestseller No. 15
Denso 234-9049 Air Fuel Sensor
  • Efficient Fuel Consumption
  • Package Dimensions: 4.9 L x 15.1 H x 5.1 W (centimeters)
  • Package Weight: 0.128 kilograms
  • Country of Origin : United States
Bestseller No. 16
Denso Oxygen Sensor Pack of 1
  • New Oxygen Sensor in Bulk. Please verify your year, make and model or contact us before pruchasing.
  • Designed with high quality materials to meet or exceed OEM Specifications.
  • Every single Oxygen Sensor is 100 percent tested throughout the entire manufacturing process for worry free, out-of-the-box performance.
  • Product is backed by 1 Year Replacement Warranty!!.
SaleBestseller No. 17
Denso 234-9004 Air Fuel Ratio Sensor
  • Efficient Fuel Consumption
  • Highly accurate
  • Easy installation
  • Constructed from durable material
SaleBestseller No. 18
Denso 234-5010 Air Fuel Ratio Sensor
  • Denso partners with other manufacturers to supply the parts your car was originally built with. This product is in a Denso package, however the part...
  • 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
Bestseller No. 19
Oxygen O2 Sensor Downstream 234-4797 for Honda Accord 2.4L 2003 2004 2005 2006 2007
  • ▲ Tested Before On Sale.
  • ▲Easy Installation. It could correctly replace the original parts.
  • ▲Fitment Info In The Product description. Please confirm the model, displacement and year of your car before purchasing to avoid the extra losses.
  • ▲ Fast Shipment.
  • ▲If you have any questions, please tell us and we will give you satisfactory solutions in time.
Bestseller No. 20
2pcs Upstream Downstream Oxygen Sensor Replacement for 2003-2007 Honda Accord 2.4L -234-9040...
  • 【Fitments】Interchange Part Number:234-9040234-4797 Position: Upstream / Downstream Oxygen Sensor Oxygen Sensor Compatible with 2003-2005 Honda...
  • 【Specsification】 Length (Sensor to Lead):440mm (17.32 inch),1130mm (44.49 inch) Wires: 4,4 Oxygen Sensor - Detect oxygen content in the...
  • 【Include】2pcs Oxygen Sensor
  • 【Safety】Constructed from durable material that is corrosion and abrasion resistant, ensures long-time work stably under high temperature and...
  • 【Notes】 To avoid you buying the wrong item, please check the description and compatibility chart carefully before your purchasing

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After hours of searching and using all the models on the market, we have found the best Denso 234 9040 for 2023. See our ranking below!

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  1. Brand Value: Every brand of Denso 234 9040 has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Denso 234 9040?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Denso 234 9040.
  5. Customer Ratings: Number ratings grade Denso 234 9040 objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Denso 234 9040.
  7. Product Quality: You don’t always get what you pay for with an Denso 234 9040, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Denso 234 9040 is should be an indication of how long it will work out for you.

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FAQ:

Q: Is the 234-9040 air fuel ratio sensor painted?

A: 234-9040 No Painted 234-9040 Air Fuel Ratio Sensor Would you like to tell us about a lower price? Video Player is loading. This is a modal window. What other items do customers buy after viewing this item?

Q: What are the dimensions of the dendenso air fuel ratio sensor?

A: Denso Air Fuel Ratio Sensor 4.2 ounces 5.9 x 1.9 x 2.2 inches China 234-9040 No Painted 234-9040 Air Fuel Ratio Sensor Would you like to tell us about a lower price?

Q: What is the difference between the Denso O2 sensor and kwiksen?

A: Same part number reference, but this is the OEM version and the Kwiksen is an aftermarket option. The Kwiksen was half the price, but at the end of the day it doesn’t matter how cheap it is if it doesn’t work. This Denso is pretty expensive for an O2 sensor, but it works so I guess it’s a bit of you get what you pay for.