The topic of shocks came up a few days ago on the Unimog Message exchange. Apparently Raaw Fab ( "so... what do you need?" | RAAWFABRICATION | mag232 ) is offering
Bilstein shocks specifically modified (bushings) for the 404. According to the rumors on the exchange, these are going for $90 + shipping, a piece. The cheapest I was able to find the Monroe's we've been talking about is $65 + ...