1AEOS00141-Subaru Baja Legacy Outback O2 Oxygen Sensor
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Subaru Baja Legacy Outback O2 Oxygen Sensor DIY Solutions EMS00621

Guaranteed to fit 2003 Subaru Baja

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Part 1AEOS00141
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Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.

DIY Solutions
Brand #: EMS00621

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Description

Vehicle Fit

Warranty & Shipping
How-To & Tools

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
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Fits these Makes

Year Make Model Description
2003Subaru Baja Subaru Baja Base Model H4 2.5L Downstream O2 Oxygen Sensor
2003-2006Subaru Baja Subaru Baja Sport H4 2.5L Downstream O2 Oxygen Sensor
1999Subaru Legacy Subaru Legacy L4 2.2L (excluding California Emissions) Downstream O2 Oxygen Sensor
1999Subaru Legacy Subaru Legacy H4 2.5L Downstream O2 Oxygen Sensor
2000-2001Subaru Legacy Subaru Legacy H4 2.5L Automatic Transmission Downstream O2 Oxygen Sensor
2002-2003Subaru Legacy Subaru Legacy H4 2.5L Downstream O2 Oxygen Sensor
2004Subaru Legacy Subaru Legacy H4 2.5L (Engine ID EJ253) Downstream O2 Oxygen Sensor
2000-2001Subaru Outback Subaru Outback H4 2.5L Automatic Transmission Downstream O2 Oxygen Sensor
2002-2004Subaru Outback Subaru Outback H4 2.5L Downstream O2 Oxygen Sensor

Part Interchange

Brand Label Part Number
Walker Products 250-24373

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 #: EMS00621
Product Reviews
5.00/ 5.0 4
O2 Senor
Timothy
April 23, 2017
The part was correct and 1/3 the cost of local auto parts stores. Free shipping and I received in 2 days. I buy from 1A auto for price and selection of videos to help complete my repairs
O2 Sensor
E
February 9, 2018
It took a little effort to remove the old sensor. Then I installed the new on in a few minutes. It took more time to reroute the wires than it took to install the sensor.
Oxygen sensor
J
June 20, 2020
Worked in place of old one and no check engine codes now
Great
S
September 14, 2020
Came as schedule thanks will be putting it on tmw
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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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select your Vehicle, to verify this Part will fit.

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