The category is dominated by kits: bolt and nut assortments, seal and O-ring sets, clip and retainer packs, and the fastener kits sold for a specific repair such as a pan drop or a timing cover.
About 1,950 listings are grouped here, almost all of them kits in GM, Ford, Mopar and ACDelco numbers. A kit is usually the cheapest way to buy what a job actually needs, because the individual retainers and washers are rarely sold in the quantity a repair consumes, but the pack quantity and the contents decide whether it is the right kit.
Read the contents list rather than the title: two kits for the same repair can differ by the number of bolts, by whether the gasket is included, and by whether the fasteners are the updated design. Where a kit crosses to a superseded part number, the product page lists the number it replaces so you can confirm it against the part you are removing.
