4D0 513 031 H used on 1994-1999 A8/A8Q with sports suspension and S8 up to chassis no 4D-T-011 000 with engine codes AEW(3.7) and ABZ,AEM,AGH(4.2),and AHC(S8). So basically they are from PF S8 or A8 with sports suspension.
4D0 413 031 AR used on 1994-1999 A8/A8Q with sports suspension and S8 engine codes AEW,AKJ(3.7),AFB(2.8),ABZ,AEM,AGH,AKG(4.2),and AHC,AKH(S8). Says marked red so should be all red or with a red mark somewhere.
So basically they are from PF S8 or A8 with sports suspension.
I can see there are 1 white and 2 (4D0 411 105 BD) or 3 (4D0 411 105 BE) silver dots on springs which could be on variety of combinations with sports suspension with or without aircon, only with auto gearboxes and depending on chassis number and with front axle weight category 10 or 11 which depends on optional equipment fitted.
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