You might try here.. For seat belts.[url=https://www.ebay.com/itm/2000-2001-BUICK-LESABRE-PASSENGER-SEAT-TAN-LEATHER-SPLIT-BENCH/184213484528?hash=item2ae3fab3f0%3Ag%3AQ34AAOSwmAheb8S8&fits=Year%3A2001%7CModel%3ALeSabre%7CMake%3ABuick]I have these in my 54 3100. [/url. I paid $300.00 15 years ago.