Is this the OEM GM knock sensor for 12591312 or is this an aftermarket OEM alike one?
( Andy, 01/09/2024 )
The OEM part has been discontinued, we have an aftermarket replacement :
12591312AF - Knock Sensor Asm
( Support )
PO135 code on reader. 2005 Workhorse 8.1 Is the KS 112 a replacement for this vin # ? Who is the manufacture and assembly origin ? Also referring to diagram items 5&6, is this sensor the same for bank ! or Bank 2
( Frank Freeman, 05/18/2023 )
Yes, this is the replacement part # for your 8.1L V8 knock sensor. It is the same sensor on bank 1 and bank 2. The manufacturer is SMP and they are assembled in Mexico. ( Support )
Is this the part i need for this vehicle thank you
( david steaven keith, 10/26/2022 )
Yes, that is the correct knock sensor for that VIN . ( Support )
Will these work on my 08 Kodiak C5500 with the 8.1.
Thanks
( JR Mascarenas , 07/14/2020 )
Unfortunately we are unable to lookup part #'s for your Chevrolet C5500, however, I do believe all of the 8.1L's use these same knock sensors. You would be able to confirm by contact a GM dealer and having them verify the part #. ( Support )
Have a code PO332 and PO327 on a 2005 Admiral Workhorse with an 8.1L. Do you have a diagram that shows where these sensors are?
( Kyle Watson, 05/14/2020 )
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( Support )
2005 24W Workhorse 8.1 L Motorhome
Reading codes 332 and 327 knock sensor 1 and 2
Are they the same model # 12591312 sensors and pigtails ?
Also reading code 463 Fuel level sensor
( James Thomas, 05/03/2020 )
James, I have sent the required diagnostic information to your email. Please read through this information to find out what parts would be required to resolve the codes you have present. ( Support )
I have a 03 motorhome on a w22 workhorse chassis with a 8.1 engine...what part number do I ned to order for the nati knock sensors and pig tail..
( lc, 04/18/2020 )
Knock sensor for your 8.1L is part # 12591312 and pigtail is part # 15306376. ( Support )
Are these the correct sensors for my vin ? Does a certified mechanic required to install?
( Kenny Bracken, 11/01/2019 )
Hello, your vin# did not come through. A certified mechanic is not required to install, ( Support )
I just got CODE PO332 on my 2007 Workhorse W22 (Engine Light) - Would this be the issue? Also are there more than one (1)? Should I also replace the pigtail wiring to both? It appears this is the correct part for my chassis.
( Wilfred Bush, 06/26/2019 )
This is the correct part but we are emailing you the diagnostic trouble shooting steps for that code to aid in diagnosing the issue. ( Support )
Do you have the plug/wire for this sensor?
( Roy Chapman, 12/03/2017 )
Hi,
The pigtail for this sensor is part# 15306376
( Support )
I have a 2003 Winnebago Brave, Workhorse chassis, and 8.1 Vortec. Is this knock sensor OEM? It appears it may be based on number.
( Jim Muir, 06/05/2016 )
Jim,
Yes this is the OEM knock sensor for your 8.1L.
( Support )
Hi Do you need to change both sensors if only one is giving the error reading Cheers Peter
( Peter, 02/04/2016 )
Peter,
It would not be necessary but it wouldn't be a bad idea to do so.
( Support )
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