Description
If you’ve been finding oil puddles under your International Harvester or noticed the telltale seepage around the back of your engine, it’s likely your rear crankshaft seal has given up. This seal sits where your crankshaft exits the engine block and keeps all that precious oil where it belongs—inside your engine, not dripping onto your shop floor.
What You’re Getting
- Factory-quality seal that stops oil leaks at the crankshaft
- Manufactured by TISCO to meet or exceed OEM specifications
- Direct replacement design—no modifications needed
- Durable materials that handle the constant rotation and pressure
Built for Real Farm Work
This seal fits the classic International Harvester tractors that built America’s farms—the 100 and 200 series along with the reliable Super A and Super C models. These are the workhorses that handled everything from cultivating to belt work, and they deserve a seal that can keep up with their dependable reputation.
Made to Last
Farm engines run hard and long, so this seal is built to handle the heat, pressure, and constant motion that comes with real field work. The materials stay flexible through temperature swings and won’t crack or harden like cheap seals do after a few seasons.
Good to Know
Replacing a rear crankshaft seal requires pulling the transmission or clutch assembly, so it’s often done during other major service work. If you’re planning an engine rebuild or clutch replacement, this is the perfect time to swap in a fresh seal. Keep the old one handy during installation—it makes a good reference for proper depth and alignment.
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