W8833930 - Workhorse Oxygen Sensor (Pre Cat)

: W8833930

In Stock(7)

Based on 0 reviews.

$105.23

$140.87

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W8833930 - Workhorse Oxygen Sensor (Pre Cat)

Sold Individually!

2003 - 2010* Workhorse 8.1L Engines
2011-2012 Workhorse W62 w/ 6.0L

*(On pre-2003 models you can use this sensor but will be required to modify the electrical plug by trimming a small piece for proper fitment)

The state of California requires that this warning be posted for people purchasing products that reside in California.

WARNING: Products may contain one or more chemicals known in the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov

Would these o2 sensor work on my truck and are there any other alternative part number that would also work ? ( Nelson Velez, 03/15/2024 )

You will want to confirm with a GM dealer but according to the information we have available to us, the part # for the RH sensor is 12565414 and the LH sensor is 12565415.

Need 2 upstream oxygen sensors ( Ron mcrae, 01/17/2024 )

12572706 - Workhorse Oxygen Sensor (Pre Cat)

Name: W8833930 - Workhorse Oxygen Sensor (Pre Cat)
Brand: Workhorse
SKU: W8833930
Price: 105.23 USD
Availability: InStock

That is the correct part # for those .

I have a 2001 W20 chassis with a 8.1 vortex. The O2 sensor plug appears correct except that a tab and slot inside the plug don't align. Your site indicates that a trim is necessary. Do I open the slot on the O2 sensor plug, or trim the tab inside the wire harness plug? Thanks in advance. ( Ricky Hunkins, 10/01/2023 )

We find it is easier to trim the sensor plug than the vehicle side plug.

I have Banks Power Pack Stinger System GM 8.1L on a Workhorse Chassis Motorhome. Is this the correct oxygen sensor for me? ( STEVE HAROLD MAYER, 10/31/2022 )

Yes, the oxygen sensor does not change with the addition of the Banks system.

Is this the correct O2 sensor for my VIN? or am I needing the 12565414?

Thanks ( Gerald Aubin, 05/09/2022 )

Can you double check the VIN ? It's not showing up as a valid VIN, but using the last 8 digits pulls up 5B4MP67G723345682 , showing a 7 instead of a 5 after the "G" .

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W8833930 - Workhorse Oxygen Sensor (Pre Cat)

Available Options

W8833930 - Workhorse Oxygen Sensor (Pre Cat)

Sold Individually!

2003 - 2010* Workhorse 8.1L Engines
2011-2012 Workhorse W62 w/ 6.0L

*(On pre-2003 models you can use this sensor but will be required to modify the electrical plug by trimming a small piece for proper fitment)