Description
When you’re running that 399 or 396 Phaser through long days in the field, the last thing you want to see is steam rising from the hood. A failing upper radiator hose can turn a productive day into an expensive breakdown, especially when you’re pushing those big Phaser engines hard on heavy implements. This replacement water hose connects your radiator to the engine block, keeping coolant flowing where it needs to go to prevent costly overheating damage.
What You’re Getting
- Direct replacement for worn or cracked factory water hoses on Phaser-equipped tractors
- Heat-resistant construction that handles the high temperatures these engines generate
- Pre-formed bends match original routing to prevent kinks that restrict flow
- Quality rubber compound resists deterioration from hot coolant and engine bay conditions
Built for Real Farm Work
This hose is specifically designed for the Massey Ferguson 300 series tractors – your 399 and 396 models with those reliable Phaser engines. These tractors are workhorses, whether you’re pulling heavy tillage equipment, running a big round baler, or powering through tough harvest conditions. The cooling system works hard to keep those engines at optimal temperature during demanding operations.
Made to Last
The Phaser engines in these tractors generate significant heat, especially under load. This hose is built with materials that won’t soften and collapse under the constant heat cycling and pressure changes of hard farm work. The reinforced construction maintains its shape and integrity through seasons of temperature swings and vibration.
Installation Notes
Replacement is straightforward – drain the cooling system, remove the old hose, and install the new one with fresh clamps. While you’ve got the system drained, it’s a good time to check your thermostat and flush the radiator if the coolant looks questionable. Always refill with quality coolant mixture to protect your investment.






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