W164 steering knuckle

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m11nch

Active Member
Joined
Oct 8, 2013
Messages
107
Car
ml270,ml420,ml280
Hi I'm putting back together a ml280cdi 2009 and the steering knuckle/hub is
snapped, i have the epc and the part number is A1643302120
now i though that any w164 hub fits but after a little research the part number is different by 1 number (A 164 330 23 20) the wheel bearing on a ml280 is 8mm smaller than its 320/420 brothers
kicker is i cant find a good second hand part only the bigger one
if i buy a ml320 steering knuckle what difference would it make
also where would i buy a new one cheaper than Merc dealers?
as i get no discount at my local one
Thanks
 

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