How to identify the Yutong genuine bus door mechanism Parts (OE Parts)  

The pneumatic rotary bus door system ( also called pneumatic outward swing bus door system)is mainly consist by the two parts the door mechansim and bus door panel.

The pneumatic rotary bus door mechanism including:

Arm asm(including arms, door pillar asm, upr-bracket, tie rod, angular connective irons, bus door/frame wedges etc.)

Pneumatic bus door operator and relevant control units(e.g. emergency valve, solenoid valve, switch).

How to identify the Yutong genuine bus door mechanism Parts (OE Parts) from  the other spare parts:

1.The cylinder color

The original cylinder color is like gray

2.The cylinder number on the bus door actuator.

3.The label showed on the cylinder

There are two labels showed on the cylinder body

4.The thread showed on the sleeve assembly