Air spring with steel piston

SCANIA K - series K 250 IB, K 250 UB SCANIA K - series K 310 IA SCANIA K - series K 310 IB SCANIA K - series K 310 IB, K 310 UB SCANIA K - series K 360 IB SCANIA K - series K 400 IB SCANIA K - series K 270 Ethanol SCANIA K - series K 410 IB SCANIA K - series K 440 IB