I'm about to start some front suspension work on my '93 940T Wagon. My online parts supplier has a listing for a control arm stay and bushing that reduces brake vibrations. Does anyone have any experience with this. Should I get it, or just replace the bushings on the original?

The following is how the parts are listed:

CONTROL ARM STAY: (LH or RH (diagonal arm)see NOTE)
This control arm stay is 388.5mm in length and is a service alterntive to be used (with special outer bushing #6819057) to reduce brake vibrations. The inner bushing on this stay is an integral part of the stay and is not replaceable separately, but only as part of the stay.

CONTROL ARM STAY BUSHING: (front suspension outer bush from stay to LH or RH control arm(2 per whl) see NOTE!!
This bushing is used on vehicles with factory original control arm stays. Depending on model and wheel size, these control arm stays can be of the following lengths: 385mm, 390.5mm, or 396mm. Stays that are 388.5mm in length are replacements with a special inner bushing designed to reduce brake vibration. Cars with 388.5mm stays should use outer bushing #6819057 instead.
In addition, if the inner bushings on the suspension (bushing #1273235 for the control arm plus bushing #1329655 for the control arm stay) show any ANY signs of wear, they MUST be replaced at the same time. Otherwise, premature failure of the outer bushings can result, which IS NOT covered under warranty.

Any info would be appreciated.

Jeff Pierce

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'92 Mercedes 190E (my daily driver), '93 Volvo Turbo Wagon (a family car w/flair), '53 Willys-Overland Pickup (my snow-plow truck/conversation piece)