Description
When you’re dealing with white smoke, coolant loss, or that telltale milky oil that says your head gasket is giving up, you need more than just hope—you need a quality gasket set that’ll get you back to work. This upper gasket set is designed for the 404 CID 6-cylinder turbocharged diesel engines, handling the extra pressure and heat those turbo engines dish out day after day.
What You’re Getting
- Complete upper gasket set designed specifically for 404 CID turbocharged engines
- Heat-resistant materials that won’t blow out under turbo pressure
- Precision-cut gaskets that seal properly against warped or resurfaced surfaces
- All the gaskets you need for the top end rebuild in one convenient package
- TISCO quality construction built to handle the demands of farm work
Built for Real Farm Work
This gasket set fits John Deere tractors with the 404 CID 6-cylinder turbocharged diesel engine, serial number 335846 and up. These are typically the larger row-crop and utility tractors that handle the heavy lifting on your operation—pulling wide implements, running PTOs for hours, and working the long days that pay the bills.
Made to Last
Turbocharged engines run hotter and under more pressure than naturally aspirated ones, so these gaskets are built accordingly. The materials are selected to handle thermal cycling without losing their seal, and they’re designed to compress evenly for a reliable seal that’ll last through demanding seasons.
Installation Notes
Plan for a weekend job—this isn’t a quick fix. Clean the mating surfaces thoroughly, check for warping with a straight edge, and follow proper torque specs and sequence. If you’re this deep into the engine, it’s smart to check valve clearances and replace other wear items while you’re there. Take photos before disassembly to help with reassembly—you’ll thank yourself later.
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