Tecumseh 631893A, One, Stens 520-312 Carburetor Kit. As a leader in aftermarket replacement parts, Stens provides parts to the outdoor power equipment, industrial/rental, hardware, turf management, golf course, and agricultural equipment markets. Stens, headquartered in Jasper, Indiana, joined Arrowhead Engineered Products, based in Blaine, Minnesota, in December 2016. This merger combined two of the strongest aftermarket parts suppliers in the industry. Building on Arrowhead's world class supply chain, product development, and expanded product offering, along with Stens' guaranteed parts quality, quick delivery, and exceptional sales and customer service teams, Arrowhead Engineered Products is positioned to provide an expanded selection of parts and high caliber services to a growing customer base. The years since the integration have resulted in Stens' continued growth in the industry to offer customers the critical replacement parts to keep equipment running. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!