[Silver_DodgeRam]

Which is the best silicone gasket maker to use on differentials:

-Permatex High Temp Ultra Copper
-Permatex High Temp Red
-Permatex Ultra Black
-Other

 

[chizzle1]

I always use the red (or blue) and haven't had any leaks yet.

 

[dwhuber]

+1 on the red. Front and rear diff, no problems for a couple years now.

 

[CamRam99]

Permatex the Right Stuff Gasket Maker