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front diff drain plug part #?

knapz

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knapz New Member

knapz

Posted
Posted

does anyone know the part number for the transfer case drain plug on my 01 Silverado? i dropped it as i was cleaning it and the magnet on the tip broke off completely.

 

last 8 on my vin are: 1Z242021

 

it should look like this:

 

front_diff_plug.jpg

RyanbabZ71 Senior Enthusiast

RyanbabZ71

Posted
Posted

yea thats not the transfer case drain or fill plug. The transfer case plugs are aluminum.

 

The part numbers are

 

Transfer Case Drain & Fill Plugs 15032997

knapz New Member

knapz

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Posted

my bad. i was meaning to say differential drain plug. the one pictured. i drained it and filled up to the hole with 80w-90 oil. anyone know the part number to the front diff drain plug? thanks? :lol:

JayMan Enthusiast

JayMan

Posted
Posted
my bad. i was meaning to say differential drain plug. the one pictured. i drained it and filled up to the hole with 80w-90 oil. anyone know the part number to the front diff drain plug? thanks?  :lol:

 

 

 

 

Where are you located? I ask as you should NOT be using 80W-90 if the temps can dip below 0 F, especially colder than -12 F. That is the temp that 80W-90 turns solid.

 

There have been some front axle failures due to using the 80W-90 in cold climates. A TSB was issued to require a synthetic 75W-90 in the front axle. You may or may not have to change the vent tube and grommet.

 

I took delivery of my GMC in Aug of 2000. I put on 2,000km to break things in and put Mobil SHC 75W-90 in the front axle. The dealer thought I was nuts, but when the TSB came out, I had the last laugh.

 

I never did change the vent tube or grommet and never had any issues because of it. Mostly you have to worry about the rubber material not being compatible with PAO oils and breaking down.

MountaineerTom Senior Enthusiast

MountaineerTom

Posted
Posted

I would try e-mailing GMPartsdirect.com or Partzoneonline.com and see if they can help you. It would be helpful to send them the VIN # of your truck in the e-mail too.

 

I tried looking in GMPartsdirect's online catalog, but didn't see the drain plug.

 

By the way, I edited the title to Front diff plug for you.

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