In order to determine if the correct Lippert Replacement Hydraulic Cylinder like part # LC339031 you would need to measure the distance between your hydraulic fitting ports and note the color of the cylinder. The above Lippert Replacement Hydraulic Cylinder is designed to replace a black cylinder with hydraulic fitting ports spaced about 25-1/2" apart. If you have a different color or spacing then let me know what that is but I cannot confirm based solely on the year, make, and model of... view full answer...
I reached out to my contact at Lippert who said that the Solera 18V Power RV Awning Conversion Kit # LC434730 will allow you to open up your Dometic awning the complete 85" that you asked about. view full answer...