Differential seals

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Matt_060983$

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Arrma RC's
  1. Notorious
Does anybody have the part # for Outcast diff o-rings? My truck is Brand new & I am just tearing Diffs down to check for shims & fluid. I got shims,gaskets,fluid.. forgot to order o-rings. Do I really need o-rings tearing it apart for the first time or should I be ok??
 
I re-used mine without issue so you could risk it but as @2fast4u says they're cheap enough to replace if you don't mind a little longer wait to get them.

I've had re-use go either way. Even when they have looked fine. So I just don't. I will say though, If I had to wait an unusual amount of time for new ones, I would probably (most likely) use the old ones. Patience is not one of my virtues.
 
Pretty sure those don't fit. The P with a number is supposed to be a standard with O ring sizing but it is not. I tried P5's from Tekno before and they would not fit. I believe the inner diameter is larger on the 001's. Just saw some 011's on Amazon if you are not finding any. Actually looks like they are available most everywhere. But, not sure where you are located.
 
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On a UK model shop I use there are two different sets of O-rings listed to fit the Arrma Outcast. As below;

Part number AR330245 which are (P-3) 3.5x1.9mm.
Link: https://www.modelsport.co.uk/arrma-o-ring-p-3-3-5x1-9mm-red-4-/rc-car-products/396412

Part number AR716011 which are (P-5) 4.5x1.5mm.
Link: https://www.modelsport.co.uk/arrma-o-ring-p-5-4-5x1-5mm-red-4-/rc-car-products/389311

The best thing to do is either physically measure the size of an existing O-ring if you have one to confirm the right size or check the exploded diagram in the manual/online.
 
On a UK model shop I use there are two different sets of O-rings listed to fit the Arrma Outcast. As below;

Part number AR330245 which are (P-3) 3.5x1.9mm.
Link: https://www.modelsport.co.uk/arrma-o-ring-p-3-3-5x1-9mm-red-4-/rc-car-products/396412

Part number AR716011 which are (P-5) 4.5x1.5mm.
Link: https://www.modelsport.co.uk/arrma-o-ring-p-5-4-5x1-5mm-red-4-/rc-car-products/389311

The best thing to do is either physically measure the size of an existing O-ring if you have one to confirm the right size or check the exploded diagram in the manual/online.
Bingo! TIME FOR A BEER NOW! 🍻
 
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