Description
When your old gas tractor starts sounding like a farm truck with a straight pipe, it’s time for a new muffler. These vintage International Harvester tractors were workhorses in their day, but a blown-out muffler turns every operation into a neighborhood noise event. This replacement muffler brings back the quiet operation these gas engines were designed to have.
What You’re Getting
- Round body horizontal design matches your original muffler configuration
- 1-5/8″ inlet and 1-3/4″ outlet designed for proper exhaust flow on gas engines
- 22-1/2″ overall length and 4-1/4″ body diameter for exact fit replacement
- Quality internal baffling reduces noise without restricting exhaust flow
Built for Classic Farm Work
This muffler fits International Harvester 300 series (serial number 62493 and up), 350 series (serial number 501 and up) with C175 gas engines, and 504 tractors (serial number 3104 and up) with C135 gas engines. These were versatile utility tractors used for everything from cultivating and mowing to light loader work and general farm chores.
Made to Last
Gas engines don’t run as hot as diesels, but they still create plenty of heat and corrosive exhaust gases. This muffler’s built with materials that handle the temperature cycling and moisture that comes with seasonal use. The steel construction and internal components are designed to give you years of quiet operation.
Good to Know
Installation is straightforward with basic hand tools – just match up the inlet and outlet connections. Check that your exhaust pipe isn’t cracked or corroded while you’re replacing the muffler. If you’re working on one of these older tractors, it’s worth inspecting the exhaust manifold gasket too since you’ll have easy access.
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