Right now there are 290 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Tools & Home Improvement › Power & Hand Tools › Power Tool Parts & Accessories › Power Tools Replacement Parts. These are inspected returns and open-box items that Amazon sells and ships itself. WarehouseHunter puts each one next to its current new price, so you can see what you save at a glance.

Brands with the most offers here: POWERTEC, DEWALT, Ingersoll Rand, Makita, Hitachi, Milwaukee, CRAFTSMAN, PILOT. Every item is a one-off, so the stock moves all day and new deals keep arriving.