If the warranty is for 10 years, doesn't that imply that the manufacturer is reckoning that 10 years 'wear and tear' shouldn't render the item unusable. And therefore if the customer hasn't been misusing the item, or overusing it - then wear and tear should not have lead to it failing, and is...
What's your deal / arrangement with the manufacturer of the product? Surely if they have supplied you with a faulty product (and by 'faulty' I mean one that goes wrong within their expected timescale - ie: the warranty), then they should be meeting your costs in having to re-fit their faulty...