Description
When you’re planning a complete engine rebuild, the last thing you want is to get halfway through and find out you’re missing gaskets or seals. This comprehensive overhaul set gives you everything you need to seal up that 404 cubic inch, 6-cylinder diesel engine properly—all the gaskets, seals, and o-rings in one package so you can focus on getting your tractor back in the field.
What You’re Getting
- Complete gasket and seal set for a full engine rebuild—no hunting around for missing pieces
- TISCO quality materials that meet OEM specifications for proper fit and long-lasting seals
- Designed specifically for 404 CID 6-cylinder diesel engines with serial number 335846 and up
- Includes head gaskets, manifold gaskets, oil pan gasket, valve cover gaskets, and all the smaller seals and o-rings
- Everything pre-organized in one set so you don’t have to cross-reference individual part numbers
Built for Real Farm Work
This gasket set fits the 404 cubic inch, 6-cylinder diesel engines that powered some of John Deere’s workhorses from the era. These were the engines running combines, big tractors, and other heavy-duty equipment where reliability mattered most. Whether you’re rebuilding after years of hard use or just freshening up an engine that’s been sitting, this set covers all the sealing points that keep oil, coolant, and combustion gases where they belong.
Made to Last
TISCO builds these gaskets to handle the heat cycles, pressure, and vibration that come with diesel engine operation. The head gaskets are designed to maintain proper compression ratios, while the smaller seals resist the fuel and oil that would eat up inferior materials. These aren’t the cheapest gaskets you’ll find, but they’re the kind that stay sealed season after season.
Good to Know
This set includes everything except crankshaft seals, which are typically handled separately since they require different installation techniques. Double-check your engine’s serial number—this set is specifically for engines with serial number 335846 and up. Earlier engines may use different gasket configurations. Take your time during assembly and follow proper torque specifications, especially on the head gaskets where uneven tightening can cause problems down the road.
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