Description
When your Case tractor starts showing signs of coolant loss or mixing coolant with oil, a worn liner seal is often the culprit. This critical O-ring creates the seal between your engine’s cylinder liner and the block, keeping coolant where it belongs and preventing costly engine damage. If you’re seeing white smoke or finding coolant in places it shouldn’t be, this seal is likely what needs attention.
Key Features
- High-quality rubber construction that withstands coolant chemicals and temperature extremes
- Precision-sized to create proper sealing pressure around the liner
- Direct replacement for original equipment – no modifications needed
- Prevents coolant leaks and contamination that can ruin your engine
Built for Real Farm Work
This seal fits a wide range of Case IHC tractors from the smaller utility models like the 423 and 584 up through the bigger field tractors like the 1055. These are the workhorses you’ll find pulling plows, running balers, and handling heavy loader work. Whether it’s a compact 44 series or a larger 55 series machine, this seal keeps your engine running clean and cool.
Made to Last
Farm engines run hard and hot, so this liner seal is built to handle the punishment. The rubber compound resists swelling and cracking from constant exposure to coolant and heat cycles. It maintains its sealing properties even as your engine heats up and cools down through long working days.
Installation Notes
Replacing a liner seal typically means pulling the cylinder head and liner, so plan on this being a bigger job than a simple gasket change. Clean the liner bore thoroughly and check that the liner sits properly before installing the new seal. A little assembly lube on the seal helps it seat correctly without rolling or pinching.






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