1726008D New Diesel Engine Overhaul Gasket Set w/ Seals Fits Ford NH 800 900 400. One New Aftermarket Replacement Complete Engine Overhaul Gasket Set (with Seals) that Fits Ford/New Holland Tractor models: 800 Series, 900 Series, 4000 — (All Diesel 1964). (1) Upper Head Gasket Set, Part # HGS172. (1) Lower Gasket Set, Part # LGS172. (2) Rear Main Seals, Part # C0NN6336A. Replaces Part Numbers: 1726008D, 3A50FS. Reliable Aftermarket Parts, your trusted source for a wide range of replacement parts catering to various outdoor equipment. We specialize in providing top-quality replacement parts for Lawn and Garden, Snow Removal, UTV, ATV, and Golf Cart machinery. Our extensive inventory includes replacement parts for Backhoes, Crawlers, Excavators, Tractors, Skid Steers, and more, covering most leading brands and models in the industry. If you have any inquiries or require assistance, please don’t hesitate to reach out. PLEASE SAVE ALL ORIGINAL PACKAGING. ! If you receive an item that is not as described in the listing. Normally same day if before 1PM EST. This offer is now available to all 50 States. Our team is happy to help! How do I know if my order was submitted properly? PLEASE SAVE ALL ORIGINAL PACKAGING. If you have any questions, please reach out to us before ordering. This program is designed to get the parts you need fast, so you can keep your equipment running without unnecessary delays. Not all items are eligible, but most of our high-demand replacement parts and essential components qualify. Brands Fit: John Deere, Allis Chalmers, Ford/New Holland, Case, Massey Ferguson & More! Parts For: Allis Chalmers, International Harvester, Caterpillar, Komatsu & More. Brands Fit: Bad Boy, Briggs & Stratton, Cub Cadet, Honda, Sears, Snapper & More! Parts For: Ariens, Briggs & Stratton, Jacobsen, Toro, Troy Built, Sears & More! Can’t track down a part that you need? Need help with a part you found? Contact our expertly trained customer service staff.