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Hi! Our site http://www.metecoparts.gr/ help our customers search our inventory of cars for used parts. The way the titles of product pages are structured is: Car Parts – Make Model Year – Brand Name. So for instance this page http://www.metecoparts.gr/car/4074-alfa-romeo-156-1997 have the title "Car Parts Alfa Romeo 156 1997 – Meteco SA" (I have translated Greek words to English) So as you can imagine we end up with a bunch of duplicate titles pages. I’m trying to diversify the titles but the problem is that there aren’t many product identifiers other than body configuration, car color, fuel, engine capacity and engine code. But only color and year of production is partly unique as most Alfa Romeo 156 are 4 door saloons, with 1600cc petrol engine. The only thing that is unique for every product page is the page ID. So should I use it in the page title? Its the only unique identificator but on ther other hand it has no use for our customers. Or is there any other way of having unique titles that I am missing? Please note that in our industry on-page optimization is crucial since there is no social sharing and much link building (who wants to share an old car that is being sold for parts?) Thank you