93 B2600i 5sp 2wd. Does anyone know what size the cotter pin is holding the front castle nut on? I'm going to do the front brakes soon and i just want to replace everything.

 

Dragon - I'd just pull one cotter pin (don't loosen the nut), take it to Ace Hardware, and buy a half-dozen of that size from the little drawers, sell individually, even have metric size cotter pins. Then replace that one until you get around to the brakes.