2002 B4000 Drum brake size?

[Jughead]

Hey guys,
does anyone know what size the drum brakes are on a 2002 B4000? I'm trying to order a new wheel cylinder because im leaking brake fluid and apparently they have two sizes, 9" and 10".
any help is apreciated,
thanks

 

[adsm08]

10" Anything 4.0 is 10".

 

[Jughead]

thanks!

 

[adsm08]

There should never be a question about which axles, transfer case, or brakes you have with a 4.0.

It was the big engine, so it always got the big stuff.

 

[Tee Rev]

Unless it's an early 90's regular cab 4.0L. They came with 9" drums.