Description
When your old muffler starts sounding like a freight train or you’re getting exhaust smell in the cab, it’s time for a replacement. A good muffler keeps things quiet, directs hot exhaust away from you and your equipment, and helps your engine run at the right back pressure. This 27-inch round muffler is built to handle the demands of your International tractor’s daily work.
What You’re Getting
- Proper 5-1/2 inch body diameter and vertical orientation for correct exhaust flow
- Durable construction that handles the heat cycles and vibration of field work
- Direct bolt-on replacement with 1-15/16 inch inlet and 2 inch outlet connections
- Quality materials that resist corrosion and hold up to farm conditions
Built for Real Farm Work
This muffler is designed for International Harvester tractors with C146, C153, and BC144 engines—the workhorses you’ll find in 424, 444, and 504 series machines along with their industrial counterparts. Whether you’re cultivating, mowing, or running a loader, these tractors see hard use and need exhaust components that can keep up.
Made to Last
Farm mufflers take a beating from temperature extremes, moisture, and the constant vibration of engine operation. This replacement is built with materials that resist rust-out and internal baffling that dampens sound without restricting exhaust flow too much.
Good to Know
Installation is straightforward with the right clamps and gaskets—make sure your exhaust pipe connections are clean before installing the new muffler. If your old muffler has been leaking for a while, check the exhaust manifold studs and flanges for damage while you’re at it.






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