Description
When your Ford 801, 901, or 4000 is burning oil, making noise, or just doesn’t have the power it used to, it’s probably time for a piston and sleeve refresh. This complete kit fits tractors with the 172 CID diesel engine and includes everything you need to bring that engine back to life. With a 3.9″ bore, this kit gets your diesel running clean and strong again.
What You’re Getting
- Complete sleeve and piston assembly that restores proper compression and power
- Includes EAF6055D sleeves, 313879 pistons, C5NN6149AA rings, pins and retainers for a complete rebuild
- TISCO quality construction that meets or exceeds original specifications
- Everything packaged together so you don’t have to hunt down individual pieces
Built for Real Farm Work
These Ford tractors were workhorses in their day, handling everything from cultivating to hay work to loader duty. The 801 and 901 were popular mid-size machines, while the 4000 was the utility workhorse that could do it all. Whether you’re restoring a classic or keeping a daily driver running, this kit brings back the reliability these tractors were known for.
Made to Last
TISCO has been making quality Ford parts for decades, and this piston kit is built to handle the demands of diesel operation. The sleeves provide a fresh bore surface, while the pistons and rings restore proper sealing. You’ll get years of dependable service from this rebuild.
Good to Know
This is an in-frame rebuild kit, so you can freshen up the engine without pulling it completely apart. Make sure to have your cylinders checked for taper and out-of-round before installing. A quick tip from the old-timers: take your time with ring installation and double-check your gaps before final assembly.






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