Description
When you notice coolant seeping around your water pump area or see that telltale puddle under your Massey Ferguson after it’s been sitting, a cracked or worn bypass hose housing is often the culprit. The casting includes all mounting bosses, drain plugs, and bypass provisions specific to these MF engines. This housing routes coolant through your engine’s bypass circuit, maintaining proper circulation even when the thermostat’s closed during warmup.
What You’re Getting
- Cast housing designed specifically for MF 65 and 165 series cooling systems
- Proper bypass provisions that keep coolant flowing during engine warmup cycles
- Same grade cast iron as original MF parts, with proper wall thickness to handle pressure and temperature cycles
- All necessary mounting bosses and coolant passages machined to factory specifications
Built for Farm Work
This bypass housing fits the legendary Massey Ferguson 65 and 165 tractors that have been workhorses on farms for decades. Whether your 65 is doing utility work around the farmstead or your 165 is pulling implements in the field, these tractors depend on proper coolant circulation to keep running cool. The bypass system ensures your engine gets proper coolant flow from the moment you start it up.
Made to Last
This replacement pump body uses the same grade cast iron as original MF parts, with proper wall thickness to handle pressure and temperature cycles. All coolant passages are properly sized to maintain flow rates your engine needs. The housing is built to handle the daily heat cycling and pressure changes that come with farm work.
Installation Notes
You’ll need to drain your cooling system completely before replacing this housing. This is also the perfect time to flush your cooling system and check all hoses. Clean coolant and good hoses protect your investment in the rebuild. Make sure all mating surfaces are clean and use proper gasket sealer during reassembly.
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