layered Navigation Not showing


Actually i am using “PartFinder” module to filter the products based on the “make, model and year” drop down and after filtered in the result page layered category list is not showing in the right side and i check in browser firebug/view source it hided by using HTML comment line.

This what we seen in the view source and for more reference please do check the attached screenshot and please help me how to solve this issues