Description
Nothing ruins a good day in the field quite like spotting coolant puddles under your tractor or watching that temperature gauge creep up. When your John Deere’s big six-cylinder diesel starts showing signs of head gasket trouble—maybe you’re hearing that telltale knocking or seeing white smoke from the exhaust—this complete upper gasket set gets you back to reliable operation. It’s designed specifically for those workhorse 381 and 404 cubic inch engines that have powered countless hours of farm work.
What You’re Getting
- Complete gasket set for both 381 and 404 CID six-cylinder diesel engines in one kit
- All the seals you need for a proper top-end rebuild without hunting for individual pieces
- Quality TISCO construction built to handle the heat and pressure these engines dish out
- Precise fit for specific block numbers and serial ranges to ensure proper sealing
- Everything needed for one complete engine—no surprises or missing parts
Built for Real Farm Work
These 381 and 404 CID six-cylinder diesels were the backbone of John Deere’s lineup for years, powering everything from utility tractors handling daily chores to row-crop machines pulling heavy implements through tough conditions. Whether you’re rebuilding the engine in your loader tractor or getting that field cultivator tractor back in shape for spring work, this gasket set covers the critical sealing points that keep compression where it belongs.
Made to Last
Farm engines work hard in dusty, dirty conditions with temperature swings that would kill lesser equipment. This gasket set is engineered to handle the thermal cycling and combustion pressures that six-cylinder diesels produce, using materials that maintain their sealing properties through thousands of hours of operation.
Installation Notes
This is definitely a job for when you have time to do it right—plan on having the tractor down for a few days. Make sure you have proper torque specs for your specific engine, and don’t forget to check that cylinder head for warping while you’ve got it off. A quick tip: mark your head bolt sequence and keep everything organized—there’s nothing worse than trying to remember where that one gasket goes when you’re putting it all back together.
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