CROSS REF
Fit for Peterbilt Kenworth
W01-358-8864
WA01-8864C

PISTON
The lower section of the airspring made from aluminium,steel or composite material plastic.
Provides lower mounting arrangement for the airspring in the form of threaded holes or studs.

GIRDLE HOOP (CENTRE RING)
A ring between the convolutions of the convoluted type air spring,helps provide stability in the part.

BELLOWS
The heart of the airspring.Includes at least four ply,or layers of material - an inner layer,two ply of cord reinforced fabric and an outer layer.

BUMPER (BUMP STOP)
A solid moulded rubber fail safe device used on many suspension applications.
Prevents excessive damage to the vehicle and suspension in the case of sudden air pressure loss.