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IS250 rear crossmember differences?

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Old 04-10-16, 02:09 PM
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Scheuzunde
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Default IS250 rear crossmember differences?

I recently had to purchase a used rear crossmember to replace my current damaged one (previous owner didn't torque the lower control arms so the holes are "wallered." Upon trying to install it I found that I could not get it to fit. It appears exactly the same but so far the rear mounting points are wider by roughly 3/8". Is this maybe an IS350 crossmember? I was just curious if someone might be in the know. Thanks for any help.
Old 04-10-16, 03:56 PM
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Jeff Lange
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There are 2 types of rear subframe(/crossmember) for the 2IS:

1. 2006-2013 IS250, 2010-2015 IS250C (180 or 205mm Differential)
2. 2006-2013 IS350, 2008-2014 IS F, 2010-2015 IS350C (208mm Differential)

So yes, the difference is likely that you got an IS350 or IS F part instead of the correct IS250 one.

Jeff
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