1AEOS00036-Subaru O2 Oxygen Sensor
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Subaru O2 Oxygen Sensor DIY Solutions EMS00213

Guaranteed to fit 2003 Subaru Baja
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02-05 Subaru 2.5L Multifit; 04-05 Honda Civic 1.7L Upstream O2 Oxygen Sensor
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List: $89.95 Save: $24.00
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Part 1AEOS00036
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DIY Solutions
Brand #: EMS00213

Frequently bought together

02-05 Subaru 2.5L Multifit; 04-05 Honda Civic 1.7L Upstream O2 Oxygen Sensor
2003 Subaru O2 Oxygen Sensor DIY Solutions EMS00213
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Description

Vehicle Fit

Warranty & Shipping
How-To & Tools

Part Details

  • Sensor Type:   Air / Fuel Ratio

Complete Repair in One Purchase - Stop searching for parts individually and complete your repair with a customized kit or set from DIY Solutions.

High-Quality Parts from Trusted Brands - DIY Solutions' kits and sets are selected from the best automotive brands and include hard-to-find and even obsolete parts you may need for your vehicle.

Guaranteed Fit - DIY Solutions ensures its selected parts are quality-tested to guarantee fit and function.

Install Tip: You may be required to reset the vehicle computer after installation of this part.

Direct Fit Replacement - Guaranteed to fit and function for your specific application
Quality Tested - built to a strict level of product standards.

Item Condition: New

Attention California Customers:

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Lifetime Warranty

This item is backed by our limited lifetime warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.

Returns: Parts with electrical components cannot be returned once installed.

FREE Shipping is standard on Orders shipped to the lower 48 States (Contiguous United States). Standard shipping charges apply to Hawaii, Alaska and US Territories.  Shipping is not available to Canada.

Expedited is available on checkout to the United States, excluding Alaska, Hawaii and US Territories as well as P.O. Boxes and APO/FPO/DPO addresses.  Final shipping costs are available at checkout.

O2 Sensors is it Upstream or Downstream?

Created on: 2021-01-16

Does your vehicle need an upstream or a downstream oxygen sensor? In this video, the experts at 1A Auto show you how to identify your O2 sensors to find out which part you need.

  1. step 1 : Identifying your Oxygen Sensors
    • Upstream oxygen sensors are located in between the engine and the catalytic converter
    • Downstream oxygen sensors are located in the catalytic converter or farther away from the engine than the catalytic converter
    • Locate your vehicle's firing order diagram
    • The bank that contains cylinder one is bank one
    • The bank that does not contain cylinder one is bank two, even if it does not contain cylinder two

Tools needed for replacement

  • 1A - No Tools Needed

    No Tools Needed

Installation Video
Watch video

Fits these Makes

Year Make Model Description
2003Subaru Baja Subaru Baja Base Model H4 2.5L Upstream O2 Oxygen Sensor
2003-2006Subaru Baja Subaru Baja Sport H4 2.5L Upstream O2 Oxygen Sensor
2003-2004Subaru Forester Subaru Forester XS H4 2.5L Upstream O2 Oxygen Sensor
2003-2004Subaru Forester Subaru Forester X H4 2.5L Upstream O2 Oxygen Sensor
2003-2004Subaru Impreza Subaru Impreza Outback H4 2.5L Upstream O2 Oxygen Sensor
2003-2004Subaru Impreza Subaru Impreza TS H4 2.5L Upstream O2 Oxygen Sensor
2003-2004Subaru Impreza Subaru Impreza RS H4 2.5L Upstream O2 Oxygen Sensor
2003-2004Subaru Impreza Subaru Impreza Outback H4 2.5L Upstream O2 Oxygen Sensor
2003Subaru Legacy Subaru Legacy L SE H4 2.5L Upstream O2 Oxygen Sensor
2003-2004Subaru Legacy Subaru Legacy L H4 2.5L Upstream O2 Oxygen Sensor
2004Subaru Legacy Subaru Legacy L 35th Anniversary H4 2.5L Upstream O2 Oxygen Sensor
2003-2004Subaru Outback Subaru Outback L.L. Bean H4 2.5L Upstream O2 Oxygen Sensor
2003-2004Subaru Outback Subaru Outback Base Model H4 2.5L Upstream O2 Oxygen Sensor
2003-2004Subaru Outback Subaru Outback H6 H4 2.5L Upstream O2 Oxygen Sensor
2003Subaru Outback Subaru Outback VDC H4 2.5L Upstream O2 Oxygen Sensor
2003-2004Subaru Outback Subaru Outback Limited H4 2.5L Upstream O2 Oxygen Sensor
2004Subaru Outback Subaru Outback H6 VDC H4 2.5L Upstream O2 Oxygen Sensor
2004Subaru Outback Subaru Outback H6 35th Anniversary Edition H4 2.5L Upstream O2 Oxygen Sensor

Part Interchange

Brand Label Part Number
DIY Solutions EMS00213
Walker Products 250-54011

This item may be interchangeable with parts from other brands with the above part numbers. This information is provided only for reference and does not guarantee that the item you are purchasing is identical to parts with part numbers from the brands listed above. To confirm that this item fits your vehicle, use the above "Check Vehicle Fit" option.

DIY Solutions
Brand #: EMS00213
Product Reviews
3.69/ 5.0 13
no problems
Gordon
February 21, 2017
Quick delivery to my house, fit perfect, no problems installing. Good price
o2sensor the bomb
jimmy
March 8, 2017
The best for the price cant beat works as Tony the tiger said GREAT!!!!
imad
March 19, 2017
its good works just like the genuine and save a lot money
Low cost/works great
D
August 24, 2017
It was the lowest cost I could find, and is working great!
O2 sensor not an a/f sensor! Not sure if it is listed incorrectly for all vehicles though.
Ross
September 11, 2017
This is a perfectly functional O2 sensor, only problem is that the application it is listed for requires an air/ fuel sensor. These are 2 different types of sensors with incompatible outputs. The tricky thing here is most a/f sensors are 6 wire.. this one is 4 so it will physically install. However you will get a MIL and surging etc. (If you own a Civic, other cars listed can't speak for everyone). I'm a professional mechanic and kind of thought the price was too good to be true as Honda sensor is over $200. When you look at the waveform it's clearly a switching O2 sensor though so it will not work in the Honda s or Subarus listed on the website.
Works ok but it's not the upstream sensor
ben
September 23, 2017
I ordered to replace a faulty 02 sensor in my 2004 honda civic ex. When it came in I went to go install it and the connector was wrong. On the site it says the upstream and downstream have the same connector but that is incorrect. I ended up having to cut and splice the wires onto the old connector. Other then that it seems to be working fine and it got rid of my P0143 code.
Large grommets.
Jose
October 13, 2017
Had trouble inserting the insulator grommets into the metal tabs (too big). Had to remove the wire holding brackets to reshape the folding ends.
Faulty / wrong part
Rachel
October 23, 2017
This part came at the time they said it would however the part was either faulty or not the right part for the car. According to my mechanic this is a normal O2 sensor and the 2004 Honda Civic upward sensor should be the air fuel ratio sensor. However my check engine light came right back on I did get a refund for this part but I will not get the money back for the labor cost that I spent on it
S
February 8, 2018
product was as stated and installed easily. The only issue was that the clip rubber mounts were larger then stock and had to pry the frame clips larger to fit. Great price and fixed the problem.
Nice
L
November 1, 2018
1A Auto very good prices customer service is very helpful very nice place to get your parts and get the best help ever ...Thanks 1A Auto and customer service
Good Product!
Braiden
January 14, 2019
Vehicles PCM (Computer) showed O2 sensor code. Car ran with misfires. This part fixed the issues.
Subaru Baja front end overhaul
Ahmad
October 9, 2019
Top notch parts OE quality and timely delivery
Oxygen sensor
Kennedy
November 17, 2020
I bought this sensor and I made my car feel brand new.
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
Will this after market sensor really work as the high price sensor for my2004 honda civic ex ?
August 12, 2018
10
These are brand-new, aftermarket parts that are made to the same specifications as the originals and their performance is the same as the original. This part is correct for your 2004 Honda Civic EX L4 1.7L Upstream (Air / Fuel Ratio) O2 Oxygen Sensor.
August 13, 2018
I want to know if this product fit 2005 civic ex?
October 6, 2018
10
This is able to fit if you have a L4 1.7L.
October 8, 2018
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Subaru is a registered trademark of Fuji Heavy Industries Co., Ltd. 1A Auto is not affiliated with or sponsored by Subaru or Fuji Heavy Industries Co., Ltd. See all trademarks.

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Before proceeding,

select your Vehicle, to verify this Part will fit.

If your vehicle isn't listed, search Oxygen Sensors

This part will only fit a 2003 Subaru Baja with these options.

If your option isn't listed search Oxygen Sensors