Analogs of : HD - 020.4187.C21
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FEBI BILSTEIN 37899 
Substitutes
Substitutes Bellow, air suspension
External Thread Size: M16 x 1,5External Thread Size: M24 x 1,5Fitting Position: Rear Axle both sidesOuter Diameter: 179mmOuter Diameter: 260mmSupplementary Article/Supplementary Info: with pistonThickness: 190mmThickness: 605mmWeight: 8,0kg