Abstract: A business-to-business cost-effective part supply e-commerce solution for maximizing the efficiency of online commerce. A web-centric system and methods having a logistics and fulfillment model to offer users direct and collaborative purchasing having reduced processing costs. Parts and accessories are delivered to dealerships, garages, collision repair facilities and transportation fleets within hours or on an as-needed basis. Information is provided to dramatically reduce the time needed to make decisions and quickly adapt to market trends. Parts availability is instantly known and delivery time is made based upon the desires of the purchaser.