Rear main seal, 340.

[FSHTAIL]

What is the go-to type, brand and or method for rear main seal replacement?

She marked her spot everywhere it stopped.  😁

[Mrbill426]

Personally I like Fel-Pro seals and gaskets.

[JS29]

  X2

[FSHTAIL]

Personally I like Fel-Pro seals and gaskets.

I see a few versions listed, which ones are the good ones?

[Mrbill426]

#BS40245
Just pay attention to install instructions to avoid installing it backwards 

Personally I like Fel-Pro seals and gaskets.

I see a few versions listed, which ones are the good ones?

[MoparLeo]

https://www.moparaction.com/2016/03/16/dont_take_a_leak/#:~:text=I%20like%20to%20offset%20the%20parting%20surfaces%20from%20the%20cap%20and%20block%20by%20about%201/8%E2%80%B3%2Cand%20put%20a%20VERY%20small%20daub%20of%20RTV%20on%20the%20parting%20surfaces.

Make sure it is not just the oil pressure unit on the back of the block that is not leaking. Many times it is the sender.