All they need to know is the length of the awning roller bar. Some want the centerline distance between the awning arms. Call another place and see if they know what they are doing. I'd stay clear of the parts dept of the place you called.
If you want a direct replacement the above will do it. However, there are many choices. Now may be the time to "get wild" and check out what else one can buy. Colors and designs might be something to consider.
2005 Newmar KSDP 3910 + GMC ENVOY XUV 37K lbs Moving Down The Road
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