I want to integrate with the Magento 1 with Sears Integration. Is there any extension available. Full synchronization of Magento store is required with the Sears.com and Kmart
Yes, Sears-Magento integration is the extension which can fulfill your requirements. It has all the necessary features required to integrate your magento store with sears marketplace like Bulk Product Upload, Automated Inventory Updates, Real Time Price Synchronization, Order Consolidation.