Transfer case rear seal part nr?

[Dan_gearhead]

The rear seal on my 1989 k2500 350 is leaking...just wanted to check if someone has the part nr because I am having a hard time finding the correct one here in Sweden...thanks.

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[Dan_gearhead]

Maybe it is called the extension housing..? It is the seal where the driveshaft is.

 

[evilunclegrimace]

Maybe it is called the extension housing..? It is the seal where the driveshaft is.

What T case do you have?

 

[evilunclegrimace]

SKF 18860 is the long rubber seal
SKF 19015A is the short seal that is similar to your pic
SKF18998 is another short style seal that has a boretite flexible coating on the seal

What T case do you have?

Never mind both cases take the same seal

 

[GoToGuy]

The tail housing to case gasket 4 bolt attach, or the slip yoke end case seal drive shaft?

 

[Dan_gearhead]

Thanx..got it sorted

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old.

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New.

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Happy passenger

 

[Schurkey]

Yeah, you replaced the seal...but I don't think that was your leak. Leaks tend to flow downhill, and rearward. If that seal was leaking, the driveshaft would be slimy.

Look farther forward. That's where the slime is.

 

[Dan_gearhead]

Yeah, you replaced the seal...but I don't think that was your leak. Leaks tend to flow downhill, and rearward. If that seal was leaking, the driveshaft would be slimy.

Look farther forward. That's where the slime is.

I see what you mean but it has stopped leaking now so it was the seal.

 

[Laredo]

For the record, there is no gasket between the transfer case half and the output shaft housing. It's sealed with RTV silicone or other suitable sealant.

 

[Schurkey]

For the record, there is no gasket between the transfer case half and the output shaft housing. It's sealed with RTV silicone or other suitable sealant.

I'd expect anaerobic sealer such as Loctite 518. I'm too lazy to check the service manual for confirmation.