This is a replacement torsion arm assembly for the Dometic A&E 8500 / 9000 Awning. The torsion assembly has a wound coil spring which provides tension on the roller tube to roll the awning up into the travel position. It includes the complete left hand end assembly, including spring, rod, pin drive, and top casting.
Dometic and A&E: 8000, 8500, 9000, 839, 848, 858, and 803 Awnings